Influence of drought stress and nitrogen on dry matter partitioning of  Isabgul (Plantago ovate Forsk)

Sayadi, F.; Rahimi, A.; Dashti, H.; Tajabadi Pour, A.

doi:10.22092/ijmapr.2014.4305

Document Type : Research Paper

Authors

¹ MSc. Student, Department of Agronomy and Plant Breeding, Agriculture College, Vali-e-Asr University of Rafsanjan, Rafsanjan, Iran

² Department of Agronomy and Plant Breeding, Agriculture College, Vali-e-Asr University of Rafsanjan, Rafsanjan, Iran

³ Department of Soil Science, Agriculture College, Vali-e-Asr University of Rafsanjan, Rafsanjan, Iran

https://doi.org/10.22092/ijmapr.2014.4305

Abstract

In this study, the effects of drought and nitrogen were analyzed on morphological traits and dry matter allocation of Isabgul (Plantago ovata) at Vali-e-Asr University of Rafsanjan in 2010. The research was conducted using factorial experiment based on RCD design with 3 replications. The factors included nitrogen (0, 60, 120 and 180 mg N.Kg^-1 soil) and soil moisture (100, 80, 60, 40 % FC). Results indicated that drought, nitrogen and their interaction significantly affected seed yield and total dry weight. The highest seed yield (1.72 g.plant^-1) was obtained at 120 mg N.Kg^-1 soil which was 77% higher than that in control. In 80% FC treatment, using 120 mg N.Kg^-1 soil caused 93% increase in total dry weight, compared to control. In addition, with increasing drought stress, dry matter partitioning benefited the root and root mass ratio (RMR) increased significantly. However, no significant changes were recorded for shoot mass ratio (SMR) and grain mass ratio (GMR). Also, with increasing nitrogen fertilizer, more dry matter was transferred to the leaves and less dry matter was transferred to the seed.

Keywords

References

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Iranian Journal of Medicinal and Aromatic Plants Research

Influence of drought stress and nitrogen on dry matter partitioning of Isabgul (Plantago ovate Forsk)

References

References

Volume 29, Issue 4 - Serial Number 62
February 2014
Pages 783-795

Influence of drought stress and nitrogen on dry matter partitioning of Isabgul (Plantago ovate Forsk)

References

References

Volume 29, Issue 4 - Serial Number 62February 2014Pages 783-795

Volume 29, Issue 4 - Serial Number 62
February 2014
Pages 783-795