M.T. Darzi; A. Ghalavand; F. Rejali
Volume 25, Issue 1 , May 2009, , Pages 1-19
Abstract
In order to study the effects of biofertilizers on N, P, K concentrations and seed yield in fennel (Foeniculum Vulgare Mill.), an experiment was conducted at Homand Research Station in Damavand at 2005 and 2006. The factors were mycorrhizal inoculation (inoculated and non-inoculated), phosphate biofertilizer ...
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In order to study the effects of biofertilizers on N, P, K concentrations and seed yield in fennel (Foeniculum Vulgare Mill.), an experiment was conducted at Homand Research Station in Damavand at 2005 and 2006. The factors were mycorrhizal inoculation (inoculated and non-inoculated), phosphate biofertilizer (0, 30, 60 kg/ha) and vermicompost (0, 5, 10 ton/ha). The experiment design was factorial experiment in the base of randomized complete blocks design with eighteen treatments and three replications. Mean comparison was carried out using Duncan multiple range test (at 5% level). Results showed that the highest concentration of N, P and K in seed and seed yield were obtained with mycorrhiza inoculums. Phosphate biofertilizer also showed significant effects on mentioned traits as the highest N concentration in seed with consumption of 60 kg/ha and maximum concentration of P, K and seed yield with consumption of 30 kg/ha from it were obtained. The highest concentration of N, P and K in seed and seed yield were obtained with application of 10 ton/ha vermicompost. There were positive and synergistic interactions between factors, like interactions between mycorrhizal inoculation and phosphate biofertilizer on N concentration and phosphate biofertilizer and vermicompost on P concentration.
F. Heidari; S. Zehtab Salmasi; A. Javanshir; H. Aliari; M.R. Dadpoor
Volume 24, Issue 1 , May 2008, , Pages 1-9
Abstract
Peppermint (Mentha piperita L.) from Lamiaceae family is one of the most important medicinal plants, used in food, sanitary and cosmetic industries. A field experiment was carried out in Tabriz University in 2005. In this study, the effects of four plant densities (8, 12, 16 and 20 plants/m2) and microelements ...
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Peppermint (Mentha piperita L.) from Lamiaceae family is one of the most important medicinal plants, used in food, sanitary and cosmetic industries. A field experiment was carried out in Tabriz University in 2005. In this study, the effects of four plant densities (8, 12, 16 and 20 plants/m2) and microelements of two level (nonspraying, spraying) on yield and essential oil production of peppermint were evaluated at two cuttings. The data obtained from each harvests by factorial experiment on the basis of randomized complete block design (RCBD) with three replications and two cutting analysis of compound variance (split plot on time). The results of the first cutting showed that microelements of spraying dry yield, bush and leaf essential oil percentage and essential oil yield increased. In the first cutting dry yield, the oil yield increased by increasing the plant density. In second cutting, microelement spraying cause dry yield and leaf essential oil percentage and essential oil yield of significant affected. Also dry yield increased by increasing the plant density .The results of two cutting indicated that peppermint plants grown better in the first cutting than the second cutting. Plants harvested in first cutting had higher dry yield and essential oil yield, but had lower bush and leaf essential oil. The maximum leaf essential oil percentage (2.96%) obtained with spraying in the second cutting. The maximum essential oil yield was obtained (20.02 li.ha-1) in the first cutting.
N. Jafari Dinani; S. Asgary; H. Madani; Gh. Naderi; P. Mahzoni
Volume 23, Issue 1 , May 2007, , Pages 1-12
Abstract
Atherosclerosis occurs principally in medium and large arteries and is a leading cause of cardiovascular disease. Epidemiologic study indicates that coronary heart disease and atherosclerosis is less in societies which use herbal medicines. Glycyrrhiza glabra is an herb of Papilionaceae family which ...
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Atherosclerosis occurs principally in medium and large arteries and is a leading cause of cardiovascular disease. Epidemiologic study indicates that coronary heart disease and atherosclerosis is less in societies which use herbal medicines. Glycyrrhiza glabra is an herb of Papilionaceae family which contains hypolipidemic compounds and flavonoids with high antioxidant properties. This study was conducted to determine the effect of Glycyrrhiza glabra extract on blood lipid levels and atherosclerosis in rabbits fed with high cholesterol diet. Fifteen male rabbits were randomly divided into three groups, normal diet group, highcholesterolemic control group (1% cholesterol) and high-cholesterol + Glycyrrhiza glabra group (50 mg/kg body weight every other day). The concentration of total cholesterol (TC), LDL cholesterol, triglycerides (TG) and HDL cholesterol were determined in rabbits in the beginning of experiment, and in the end of the first and second month of the study. In the end of the experimental period the rabbits were killed having overdose chloroform and their aortas were removed for assessing atherosclerotic plaques. Results showed that Glycyrrhiza glabra decreased TC, LDL and TG levels and increased HDL, significantly. The lesion atherosclerotic significantly reduced in high-cholesterol + Glycyrrhiza glabra group as compared to highcholesterolemic control group. It could be suggested that the Glycyrrhiza glabra extract can effectively prevent the progress of atherosclerosis and extensive studies are needed to investigate the effect of Glycyrrhiza glabra in prevention and treatment of atherosclerosis.
Sh. Shafiee Adib; M. Amini Dehaghi; S.A.M. Modares Sanavi
Abstract
In order to study the effects of biofertilizers on the quantity and quality of John’s wort (Hypericum perforatum L.), an experiment was conducted at Shahed University in 2010. The studied factors included phosphatic biofertilizer (inoculated and non-inoculated), phosphorous fertilizer at three ...
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In order to study the effects of biofertilizers on the quantity and quality of John’s wort (Hypericum perforatum L.), an experiment was conducted at Shahed University in 2010. The studied factors included phosphatic biofertilizer (inoculated and non-inoculated), phosphorous fertilizer at three levels (0, 100, 200 kg/h) and vermicompost (0, 5, 10 ton/h). The study was conducted in a factorial experiment in the form of a randomized complete blocks design (RCBD) with three replications. In addition, one plot was considered as control group in each replication to be compared with other plots in which only chemical fertilizers (NPK: 250, 200 and 100 kg/h) were used. Results showed that the highest biological yield, flowering shoot yield, and hypericin yield were obtained by applying vermicompost at 5 ton/ha, and there was no significant difference between the application rates of 5 and 10 ton/ha. The interaction effects of phosphatic biofertilizer (inoculated) and phosphorous fertilizer were significant, so that the highest biological yield, flowering shoot yield, hypericin yield and chlorophyll a were obtained by applying 100 kg/ha P2O5 plus phosphatic biofertilizer, having no significant difference with the application rate of 200 kg/ha P2O5. Significant differences were found between biofertilizer treatments and control group. According to the obtained results, it seems that biofertilizers can be considered as a replacement for chemical fertilizers.
F. Sefidkon; R. Taebnia; M. Mirza
Abstract
Satureja species are aromatic plants, belonging to Lamiaceae family. The green parts and essential oils of Satureja species are used in medicinal and food industries. Satureja rechingeri Jamzad is an endemic species growing wild in Ilam province. In this research, the seeds of six populations were collected ...
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Satureja species are aromatic plants, belonging to Lamiaceae family. The green parts and essential oils of Satureja species are used in medicinal and food industries. Satureja rechingeri Jamzad is an endemic species growing wild in Ilam province. In this research, the seeds of six populations were collected from natural habitats for domestication of this species and study the essential oil content and composition in cultivated plants. The seeds were cultivated in the research farm of Research Institute of Forests and Rangelands in three replications in a complete randomized blocks design. For comparing the yields and constituents of essential oil, the aerial parts of each accession were collected in full flowering stage at three consecutive years. The plant materials were subjected to hydro-distillation after drying in room temperature. The oil yields were calculated and the oil compositions were identified by GC and GC/MS analysis and retention indices. Our results showed an increasing pattern for the oil yields of four populations during three years after cultivation and then it reached to 4.8%-6% in the third year. The major compound in all oils was carvacrol accounted for 80 to 88% in two- and three- year-old plants. According to the obtained results and improved yield of essential oil in cultivated samples compared to the wild ones as well as high levels of carvacrol, the cultivation of S. rechingeri in the same condition could be recommended.
S.M. Hossaini; M. Aghaalikhani; F. Sefidkon; A. Ghalavand
Abstract
The Sahandi savory (Satureja sahendica Bornm.) is a native medicinal species of Iran, which is exposed to extinction. Organic farming of this species in low input systems has an important role to protect this valuable genetic reserve. To evaluate the essential oil content and components of the savory ...
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The Sahandi savory (Satureja sahendica Bornm.) is a native medicinal species of Iran, which is exposed to extinction. Organic farming of this species in low input systems has an important role to protect this valuable genetic reserve. To evaluate the essential oil content and components of the savory in natural habitat and field conditions, an experiment was conducted to investigate the plant growth responses to different fertilizer and redroot pigweed (Amaranthus retroflexus L.) density (0, 6, 12 and 18 plants/m2) in two planting patterns (rectangles, zigzag). The experiment was carried out in factorial based on RCBD with three replications at the Qazvin Agriculture and Natural Resources Research Center during 2010 to 2012. The nutrient treatments included NPK plus foliar application of micronutrients, four tons/ha vermicompost, two tons/ha vermicompost plus 40 liters/ha vermi-tea (liquid formulation of vermicompost). At the flowering stage, the essential oil content and compounds were measured in both samples of field and natural habitats. The effect of planting pattern was not significant. The highest content of essential oils in first harvest (28.38%) and in second harvest (46.04%) were obtained from organic fertilizer treatments, two tons vermicompost + 40 liters vermin-tea and four tons vermicompost, respectively. These treatments were superior to the savory harvested from natural habitats. The essential oil content of savory under competition of redroot pigweed at all densities were higher than the natural habitats and the highest content in first and second harvest (30.41% and 51.80%) was obtained at 18 plants/m2 pigweed density. In all fertilizer treatments, the content of thymol in comparison to natural habitats (38.49%) was superior and the highest content (42.95%) was obtained with application of four tons vermicompost. In the absence of weed, the Sahandi savory produced the greatest content of thymol (45.18%) compared to the savory grown in natural habitats.
K. Dialmaghani; R. Kharvari-Nejad; H. Fahimi; H. Hekmat- shoar
Abstract
Hyoscyamus pusillus from Solanaceae family is a medicinal plant producing tropane alkaloids. For investigation of tropane alkaloids levels in H. pusillus, plant materials were collected during three different growth stages, vegetative stage, flowering stage and fruiting stage, from two regions of Azarbayjan, ...
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Hyoscyamus pusillus from Solanaceae family is a medicinal plant producing tropane alkaloids. For investigation of tropane alkaloids levels in H. pusillus, plant materials were collected during three different growth stages, vegetative stage, flowering stage and fruiting stage, from two regions of Azarbayjan, Marand and Tabriz. After extraction and purification of alkaloids from different parts of plants (root, stem, leaves, flowering tops and seeds), were assayed by HPLC. Furthermore, in two regions effects of environmental factors upon tropane alkaloid levels were investigated. The results showed that hyoscyamine and scopolamine content varied in three stages and in different parts of plants. The highest level of hyoscyamine in two regions was observed in leaves at flowering stage, whereas there was lowest level in stems at vegetative stage. Hyoscyamine was dominant alkaloid, with except of seeds, in all organs. Furthermore, the results showed that hyoscyamine and scopolamine content of plants in Marand region at all growth stages was higher than that of plants in Tabriz region. The results of investigation of effects environmental factors on alkaloid levels showed that some of this factors influenced production of tropane alkaloids. For example, as altitude up, alkaloid levels are raised. Furthermore, increased nitrogen and phosphorus concentrations in soil caused increasing alkaloid levels in plants. Whereas, in contrast, reduced potassium in soil caused increasing alkaloid levels. As plant grows alkaloid levels increase. This can be results from it when plant mature, high nitrogen enters hyoscyamine (and as a result scopolamine) structure.
M.A. Soltanipoor
Abstract
To determine the frequency of flowering, viable seed production and other phenological phenomena of Zhumeria majdae under varing site condition (elevation and latitude) about 10 shrubs, of mature age and with the well developed crown were selected and numbered at each site. All sites were visited once ...
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To determine the frequency of flowering, viable seed production and other phenological phenomena of Zhumeria majdae under varing site condition (elevation and latitude) about 10 shrubs, of mature age and with the well developed crown were selected and numbered at each site. All sites were visited once a week during two years. These sites were Geno (800 m above sea level ), Sarchahan (1100 m above sea level ) and Tang-e-zagh (1400 m above sea level ) mountains. The beginning of vegetative growth was 3-20 February. The starting of generative growth was 11-27 March and the beginning of seed falling was 4-22 May. The results showed that the phenological stages of Zhumeria majdae varies according to altitude. In Geno areas vegetative regrowth begins on 1-5 February while with increasing of altitude (1400 m above sea level) regrowth occurs in 20-25 February and vegetative duration is elongated.
J. Hasany
Volume 20, Issue 1 , April 2004, , Pages 1-18
Abstract
In this survey two genera of aromatic plants (Thymus&ziziphora) from viewpoint of characterization and ecological demands in kurdistan province. Results showed that there were 6 different species of genus of thymus in Kurdistan. Comprising to kotschyanus, fallax, eriocalyx, pubescens , transcaucasicus ...
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In this survey two genera of aromatic plants (Thymus&ziziphora) from viewpoint of characterization and ecological demands in kurdistan province. Results showed that there were 6 different species of genus of thymus in Kurdistan. Comprising to kotschyanus, fallax, eriocalyx, pubescens , transcaucasicus and daenensis with 2 sub species comprising to daenensis and lancifolia in areas with 1560-2200m altitude and mostly in north and west north directions. Prenial species of ziziphora clinopodioides distributed between 1450-2000m altitude and mostly companion with species of Thymus in different areas of Kurdistan. Mentioned aromatic plants in addition to aromatic and medicin value, cause their extensive canopy inflounce on soil conservation.
M. Niakan; R. Khavarynejad; M.B. Rezaee
Volume 19, Issue 1 , May 2003, , Pages 1-14
Abstract
The effects of two levels of nitrogen fertilizer (urea) (0,100 kg ha-1) with one of levels in phosphorus (super phosphate) and potassium (potass oxide ) fertilizer (each of 100 kg ha-1) in two rate of 0/100/100 kg ha-1 (N0 p100 k100، control) and 100/100/100 kg ha-1 (N100 P100K100) on quantity and quailty ...
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The effects of two levels of nitrogen fertilizer (urea) (0,100 kg ha-1) with one of levels in phosphorus (super phosphate) and potassium (potass oxide ) fertilizer (each of 100 kg ha-1) in two rate of 0/100/100 kg ha-1 (N0 p100 k100، control) and 100/100/100 kg ha-1 (N100 P100K100) on quantity and quailty of leaf (in before flowering) and flowering branches (in flowering) oil in Mentha piperita L. under the fram condition in form spilit plot design in four repeat have been evaluated. According to the results obtained, with out regard to kind of treatment, main composition in oil included: B-ocimene, linalool, 1,8- cineole, B caryophyllene, myrcene. In rate N0 P100 K100 (control), amount of linalool and 1,8 cineole in flowering branches were more of leaf oil. In before flower enhancement of nitrogen fertilizer increased amount of linalool and 1,8 cineol and reduced amount of B-caryophyllene and B-ocimene in leaf oil. In flowering branches, applied of nitrogen fertilizer increased amount of B-ocimene and B-caryophyllene and reduced linalool and 1,8 cineole. Amount of oil in flowering branches in control was more of leaf. Increased of nitrogen fertilizer, had positive effect on content leaf and flowering branches oil.
K. Jaimand; M. Mirza; Z. Jamzad; Z. BaherNik
Volume 18, Issue 1 , February 2003, , Pages 1-9
Abstract
Mentha longifolia (L.) Hudson from labiatae family has different varities. In present study we selected Mentha longifolia (L.) Hudson var. kermanansis and Mentha longifolia (L.) Hudson var. kotschiana, whichcultivated in Research station of Alborz (Karadj). The volatile oil extracted from plant by steam ...
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Mentha longifolia (L.) Hudson from labiatae family has different varities. In present study we selected Mentha longifolia (L.) Hudson var. kermanansis and Mentha longifolia (L.) Hudson var. kotschiana, whichcultivated in Research station of Alborz (Karadj). The volatile oil extracted from plant by steam distillation method and analyzed by GC and GC/MS. The major constituents obtained from M. longifolia (L.) Hudson var. kermanansis in flower oil were piperitenone oxide (44.3%), piperitone (25.3%)and piperitenone (10.6%) and in leaf oil were , piperitenone oxide (45.7%), piperitone (30.6%), piperitenone (5.6%), and for M. longifolia (L.) Hudson var. kotschiana in flower oil were piperitone (58.2%), 1,8-cineole (26.7%) and piperitenone oxide (4.6%) and in leaf oil were piperitone (64%) and 1,8-cineole (28.4%).
H. Hasanvand; S.A. Siadat; A.M. Bakhshandeh; M.R. Moradi Telavat; A. Poshtdar
Abstract
In order to study the yield and some physiological characteristics of borage (Borago officinalis L.) under different plant densities and sowing dates in Ahwaz city, an experiment was carried out in a split plot arrangement based on randomized complete block design with three replications in Khuzestan ...
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In order to study the yield and some physiological characteristics of borage (Borago officinalis L.) under different plant densities and sowing dates in Ahwaz city, an experiment was carried out in a split plot arrangement based on randomized complete block design with three replications in Khuzestan Ramin Agriculture and Natural Resources University, Iran during 2016-2017. The treatments included sowing date as main plot in five levels (15 October, 5 November, 25 November, 15 December and 5 January) and plant densities as sub-factor in four levels (6, 10, 14 and 18 plant per m2) were considered. The results showed that delayed sowing (5 January) caused anincreased temperature at flowering stage and significantly reduced the grain yield and biological yield (182.22 and 1443.4 kg ha-1, respectively). The sowing dates of 5 November at a density of 10 plants/m2 caused the highest grain yield and oil yield with average values of 1243.82 and 437.47 kg ha-1, respectively. The sowing date of 15 October at a density of 14 plants/m2 caused the highest chlorophyll a and total chlorophyll content with average values of 1.13 and 3.39 mg/g fw, respectively. A delay in sowing date from 15 October to 5 January led to a decreased relative leaf water content, cell membrane stability and chlorophyll content. High plant density per m-2 increased the plant height and biological yield and reduced the oil percentage. Sowing date had significant effects on all traits expect oil percentage.
M.B. Rezaiee; F. Bernar; S.A. Shafiee Darabi
Volume 17, Issue 1 , February 2003, , Pages 1-73
Abstract
The botanical, ecologycal, chemical and medicine data of galbanum were collected and review from previous research to modification and establish new subjects of this novel medicine plant. To establish the first step of biotechnology, the tissue culture of galbanum were achieve from radicle of seedling ...
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The botanical, ecologycal, chemical and medicine data of galbanum were collected and review from previous research to modification and establish new subjects of this novel medicine plant. To establish the first step of biotechnology, the tissue culture of galbanum were achieve from radicle of seedling of galbanum on MS. medium with and casein hydrolysis in auxin and cytokinin hormone treatment. The root was induced from new callus on the same medium at C and the root culture was achieved with radicle of seedling in the same manner.
A. Akbari Nia; P. Babakhanlou
Volume 16, Issue 1 , January 2003, , Pages 1-39
Abstract
Qazvin state with area about 1.58 million hectares has a lot of differnce vegetation, beacause of climatic and tophography variantions . It has different elevation (above sea level) from 300 m in Tarom to 4140 m in alborz mountains. In general this zone has about 61% mountainous regions. Alamut district ...
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Qazvin state with area about 1.58 million hectares has a lot of differnce vegetation, beacause of climatic and tophography variantions . It has different elevation (above sea level) from 300 m in Tarom to 4140 m in alborz mountains. In general this zone has about 61% mountainous regions. Alamut district is famous in respect of medicinal plants growth, beacause it has one of the most famous areas in growing and harvesting from the natural rangelands of the medicinal plants, in the time of hassan sabbah. The research project of collection and indentification of medicinal plants of Qazvin state was studied during 1994- 1997 and 250 species of medicinal plants collected and identified Some of these species have limited growing locations i.e: Valeriana officinalis, Papaver bracteatum, Nepeta pogonosperma, Ziziphus Vulgaris but Achillea mellifolium, Rheum ribes is distributed in the width areas. Echium amoenum which is cultivated in some of Alamuts villages and Heracleum persicum are well- known in Irans traditional bazar. More than 40 species of medicinal plants are collected by villages and brought to bazar.
F. Sefidkon; A. Rahimi-Bidgoly
Volume 15, Issue 1 , January 2003, , Pages 1-22
Abstract
The aerial parts of Thymus kotschyanus Boiss & Hohen were collected in three stages of plant growth (before, at the beginning and complete flowering) from research station of Sirachal. The essential oils of plant materials were isolated by steam-, hydro- and water-steam distillation from the aerial ...
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The aerial parts of Thymus kotschyanus Boiss & Hohen were collected in three stages of plant growth (before, at the beginning and complete flowering) from research station of Sirachal. The essential oils of plant materials were isolated by steam-, hydro- and water-steam distillation from the aerial parts. The oils were analyzed by capillary GC and GC-MS. So, the effect of distillation methods and stages of plant growth on oil content and composition of Thymus kotschyanus was investigated. The oil yield, related to distillation method and stage of plant growth, was 0.28-1.80% w/w (the highest for complete flowering stage by hydrodistillation method). The main constituents in all of the oils were carvacrol (46.74-61.23%), thymol (7.51- 26.92 %), g-terpinene, p-cymene and borneol.
K. Jaimand; M.B. Rezaee
Volume 14, Issue 1 , January 2003, , Pages 1-14
Abstract
Roots or storon of Glycyrrhizia glabra L. commonlly called licorice, which is used for over 2000 years, mainly as a sweetening agent and a drug. Licorice known to contain the pentacyclic triterpene saponin glycyrrhizinic acid, which belong to the b-amyrin series. Licorice is presently recognized for ...
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Roots or storon of Glycyrrhizia glabra L. commonlly called licorice, which is used for over 2000 years, mainly as a sweetening agent and a drug. Licorice known to contain the pentacyclic triterpene saponin glycyrrhizinic acid, which belong to the b-amyrin series. Licorice is presently recognized for its sweet tast and pronounced to be effective as an anti – inflammatory, anti-allergenic and anti-ulcer agent. Most of licorice determination methods of glycyrrhizin in the roots are non-specific and relying on indirect methods. The results obtained from these methods are usually unreal and unreliable. In this research glycyrrhizin in plants was estimated directly by High Performance Liquid Chromatography without hydrolysing glycyrrhizin to its aglycone. All sample collected from Iranian National Botanical Garden, then after extraction, component identified with compare standard. Hence the existing problems that considerably change results are eliminated. In this method, glycyrrhizin was separated from other components of total extract using reverse phase HPLC and the results of determinations have been satisfactory and reproducible.
M.B. Rezaee
Volume 3, Issue 1 , April 1999, , Pages 1-14
Abstract
Studies of the chemical composition of essential oil of Hope more than 200 constituents in hops (Humulus lupulus) have been characterized and quantitified by means of distillation- extraction, capillary gas chromatography and chromatography-mass spectrometry.
Various cultivars of hop, are used in brewing ...
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Studies of the chemical composition of essential oil of Hope more than 200 constituents in hops (Humulus lupulus) have been characterized and quantitified by means of distillation- extraction, capillary gas chromatography and chromatography-mass spectrometry.
Various cultivars of hop, are used in brewing process to impart a bitter taste and hop flavor,as well as a characteristic aroma to beer.
In addition, the mist important volatile components identified were :α-Bisabolene(20.55%),
Caryophyllena(17.88%), Carvone oxide(6.18%), and α-Humulene (1.80%) are known as constituents in beer.
M. Najafpour Navaii
Volume 4, Issue 1 , August 1999, , Pages 1-11
Abstract
Hyssopus officinalis is not of the most important medicinal plants. It is used as a medicinal, spice essential oils plant and its flowers and leaves are used in food industry flavouring liquers and candies. As a medicinal plant, It is used as an antiasthema, chronic, coughs and bronchitis ...
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Hyssopus officinalis is not of the most important medicinal plants. It is used as a medicinal, spice essential oils plant and its flowers and leaves are used in food industry flavouring liquers and candies. As a medicinal plant, It is used as an antiasthema, chronic, coughs and bronchitis diseases. The results of this project will help in the further improvement of production of hyssop seed yield for pharmaceutical, cosmetical and food industries. The main purpose of this project is the investigation about effect of nitrogen and phosphorus fertilization and also finding out the most suitable amount of them which could be used for hyssop cultivation in order to increase quantity of hyssop seed yield. The treatments consisted of all combinations of four levels of N & P. We have studied the effect of increasing (0, 20, 40, 60, kg/ha) N & P DOSAGE. The experimental plots were laid out in randomized complete blocks with four replicates in every treatment. On the basis of examinations, it could be concluded that N fertilization had a very important role on the seed yield.
M.M. Barazandeh
Volume 13, Issue 1 , July 2002, , Pages 1-9
Abstract
Hymenocrater elegans Bunge collected from Firoozkooh (Altitude:2400-2500m.) in July 2000. The essential oil obtained from dry leaves of plant by steam distillation. No significant amount of the oil was observed on the upper layer of water. So the oil was extracted from water by adding diethylether.
The ...
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Hymenocrater elegans Bunge collected from Firoozkooh (Altitude:2400-2500m.) in July 2000. The essential oil obtained from dry leaves of plant by steam distillation. No significant amount of the oil was observed on the upper layer of water. So the oil was extracted from water by adding diethylether.
The extracted oil injected to GC and GC/MS. Thirty- nine major compounds (was higher than 0.1%) The maior constituents compoands were germacrene D (10.2%), β-caryophyllene (9.7%), α-humulene (9.6%), β-bourbonene (7.1%) and germacrene B(6.9%).
M.B. Rezaee; K. Jaimand; E. Sharifi Asorabadi; M. Maddah; A. Majd
Volume 12, Issue 1 , May 2002, , Pages 1-27
Abstract
Ozone layer depletion has increased ultraviolet-B radiation influence. As this radiation has harmful effects on plants, this research studies the essential oils quality and quantity changes of Fennel all affected by high ultraviolet radiation emanated form a 40-watt lamp in the field conditions in three ...
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Ozone layer depletion has increased ultraviolet-B radiation influence. As this radiation has harmful effects on plants, this research studies the essential oils quality and quantity changes of Fennel all affected by high ultraviolet radiation emanated form a 40-watt lamp in the field conditions in three phases: before flowering, flowering and after the formation of seed. Fennel is one of the precious medicinal plants widely used in pharmacy, purfurm, cometic and hygienic industries as well as food industries. The seeds or fruits of this plant have so much essential oils that medicinal properties of the plant are attributed tothis essential oils. The water and steam distilled (Long & Kaiser) essential oils of seeds, flowers, leaves and stems of Fennel in different vegetative phases was analyzed by GC and GC/MS. The amount of essential oils in leaf, stem, flower and seeds has been decreased in the most of phases and essential oils’ components changed under ultraviolet radiations. The amount of Trans-anthole, which is the most important compound of this essential oil, has been decreased in the seed and flower of under treatment plants but this compound has been increased in the stem in spite of less amount of essential oils in this organg, this compound has been decreased in leaf before flowering phase but incraesed in flowering period. The other main compounds, Estragol, Fenchon and Limonene have been increased, in most cases. This results indicates this plants is very sensetive to ultraviolet radiations.
K. Jaimand; M. Mirza; Z. Jamzad; Z.F. Baher
Volume 11, Issue 1 , February 2002, , Pages 1-9
Abstract
Mentha longifolia (L.) Hudson from labiatae family has different varities. In present study we selected Mentha longifolia (L.) Hudson var. callianta, which cultivated in Research station of Alborz (Karadj). The volatile oil extracted from plant by steam distillation method and analyzed by GC and GC/MS. ...
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Mentha longifolia (L.) Hudson from labiatae family has different varities. In present study we selected Mentha longifolia (L.) Hudson var. callianta, which cultivated in Research station of Alborz (Karadj). The volatile oil extracted from plant by steam distillation method and analyzed by GC and GC/MS. The major constituents obtained from var. callianta in flower oil were piperitone (70.22%), piperitenone (9%), 1,8-cineol (7.8%) and in leaf oil were piperitone (49.7%), 1,8-cineole (18.4%), piperitenone (15.8%).
M. Dini; P. Babakhanlou; M. Mohammadi; M. Golipoor
Abstract
Acording to results of the investigation, the manna know as Shir-khest exudes from the branches of two species of cotoneaster (Rosaceae). C. nummularia Fisch & Mey and C. nummularioides Pojark Atraphaxis spinosa L. (Polygonaceae) has no manna in Tehran. Province (even in other places.) The manna ...
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Acording to results of the investigation, the manna know as Shir-khest exudes from the branches of two species of cotoneaster (Rosaceae). C. nummularia Fisch & Mey and C. nummularioides Pojark Atraphaxis spinosa L. (Polygonaceae) has no manna in Tehran. Province (even in other places.) The manna of Shir-khesht collected from the shrubs in kushk-E-BALA village altitude 1900-2200 m (31 Km far from karadj in chalus road.) Shrubs in this area have been attacked by insect of scolytus rugulosus Mull (col. Scolytidae., Scolytinae.) and in other places which also have shrubs but without insect and larva so have no exudation. Larvae of this insect makes tunnel under the skin and destroy cambium then from these sites manna exudes. Exudation concern to humidity and tempereture of the sites, in the end of July to early August the difference of Maximums and Minimus temperatures are significant and high over twenty degree centigrade and in this period precipitation comes near Zero. Shir-khist occurs in small yellowish-white granules about the size of millet seed. During July and early August the branches of the cotoneaster become covered with the exudation, after few days become hard, collect and mixe with flour. it is valued chiefly as medicinal product (pectoral, purgotive.).
M. Najafpoor Navaii
Volume 5, Issue 1 , April 2000, , Pages 1-25
Abstract
Regarding the fact that Aromatic Plants play important roles in Human life, researching on them seems significant: as Aromatic plants are extensively wide spread in our country we have restricted our research on Genus, and Special Province. We have studied Mentha, thymus, and Nepeta in Tehran Province. ...
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Regarding the fact that Aromatic Plants play important roles in Human life, researching on them seems significant: as Aromatic plants are extensively wide spread in our country we have restricted our research on Genus, and Special Province. We have studied Mentha, thymus, and Nepeta in Tehran Province. At first we have read the Ecncyclopedis, Thesis, Manual and other books and then searches computer programs in order to find other information about this 3 Genus. Then we went to nature and registed ecological factor as follow: Genus, Species, Locality, Locality, high, slopes, soil, another plants.
K. Jaimand; M.B. Rezaie
Volume 9, Issue 1 , August 2001, , Pages 1-161
Sh. Mehrpur; M.B. Rezaee; A. Majd; K. Jaimand
Volume 8, Issue 1 , July 2001, , Pages 1-15
Abstract
In this research effects of ultraviolet radiation emitted by 8,20 and 40W lamps were studid on quantitative and qualitative compositional changes of the essential oils of Mentha spicata in greenhouse and field condition by using GC and GC/MS apparatus in before flowering and flowering stages of plant ...
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In this research effects of ultraviolet radiation emitted by 8,20 and 40W lamps were studid on quantitative and qualitative compositional changes of the essential oils of Mentha spicata in greenhouse and field condition by using GC and GC/MS apparatus in before flowering and flowering stages of plant development. Ultraviolet radiation increased essential oil content in two developmental stage of plant. In greenhouse plants producing essential oil rich in piperitenone oxid and significant increase in 40W treatment before flowering stage. In field plants Carvone component in all treatment increased, and significant increased in 20W treatment before flowering stage. Piperitenone compound in 8 and 20 treatment decreased whereas Piperitenone oxid content in this treatment increased (Probebly Piperitenone change to Piperitenone oxid. Lawrens, 1998). Effects of Ulaviolet radiations on germination and developmental in M.spicata still under investigation.
