Effects of humic acid on morpho-physiological characteristics, yield components and essential oil of Matiricaria chamomilla L. under water deficit stress

Farhadi, A.; Daneshvar, M.; Eisvand, H.R.; Nazarian Firoozabadi, F.

doi:10.22092/ijmapr.2018.110671.2036

Document Type : Research Paper

Authors

¹ Ph.D Student of Crop Physiology, Department of Agronomy and Plant Breeding, Faculty of Agriculture, Lorestan University, Khorramabad, Iran

² Department of Agronomy and Plant Breeding, Faculty of Agriculture, Lorestan University, Khorramabad, Iran

https://doi.org/10.22092/ijmapr.2018.110671.2036

Abstract

In order to study the effects of different amounts of humic acid fertilizer on morphological characteristics, yield components and essential oil yield of German chamomile (Matricaria chamomilla L.) under low irrigation stress, a research was carried out in the Agricultural Research Farm of Lorestan University during 2016-2017. The experiment was conducted in a split plot based on randomized complete block design with three replications. The experimental factors included irrigation at three levels (irrigation after 30, 60 and 90 mm evaporation from class A evaporation pan as the main factor) and consumption of humic acid at three levels (0, 5 and 10 kg /ha as sub factor). The results showed that with increasing irrigation interval, the flower fresh weight, flower dry weight, receptacle diameter, stem height and stem diameter were significantly decreased. With increasing levels of humic acid, flower harvest index, root dry weight, biological yield, essential oil yield, chamazulene yield, chlorophyll content (a, b and total) showed significant increase at all irrigation levels. In the case of flower harvest index, there was no significant difference in irrigation after 90 mm evaporation in humic acid treatments. The highest seed yield was obtained in irrigation after 60 mm evaporation and using 5 kg/ha humic acid. The highest yield of essential oil and chamazulene was obtained in irrigation after 60 mm evaporation and using humic acid at a rate of 10 kg/ha. According to the results, irrigation after 60 mm evaporation with 10 kg of humic acid per hectare is suggested for the production of maximum essential oil and chamazulene. As well, the same irrigation level with 5 kg/ha humic acid could be recommended to produce maximum seed yield.

Keywords

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Iranian Journal of Medicinal and Aromatic Plants Research

Effects of humic acid on morpho-physiological characteristics, yield components and essential oil of Matiricaria chamomilla L. under water deficit stress

References

References

Volume 33, Issue 6 - Serial Number 86
January and February 2018
Pages 1060-1071

Effects of humic acid on morpho-physiological characteristics, yield components and essential oil of Matiricaria chamomilla L. under water deficit stress

References

References

Volume 33, Issue 6 - Serial Number 86January and February 2018Pages 1060-1071

Volume 33, Issue 6 - Serial Number 86
January and February 2018
Pages 1060-1071