Effect of Biopotase and Iron Sulfate on Physiological Characteristics and Yield of Fenugreek under Drought Stress Conditions

Document Type : Research Paper

Authors

1 Associate Professor, Department of Horticultural Sciences, Faculty of Agriculture, University of Birjand, Birjand, Iran

2 Masters Student, Department of Horticultural Sciences, Faculty of Agriculture, University of Birjand, Birjand, Iran

3 Instructor, Department of Agronomy and Plant Breeding Sciences, Faculty of Agriculture, University of Birjand, Birjand, Iran

Abstract

In order to investigate the effect of biopotase and iron sulfate on physiological characteristics of fenugreek under drought stress conditions, an experiment was conducted as split plot in a factorial experiment based on randomized complete block design with three replications, 2017. Treatments were included: drought stress (including normal irrigation as non-stress and irrigation in early growth for 14 days as drought stress) as main factor, biopotase (0 and 5 kg.ha-1) and iron sulfate (0 and 1.5 per thousand) as sub-factors biofertilizer treatments were considered. The results showed that the effects of drought stress, bioptase and iron sulfate and their interaction on the most traits were significant. The height and fresh and dry weight of the plant were affected by bioptase and iron sulfate. The highest biological yield and grain yield were observed in 5 kg bioptase trainee under drought stress conditions. The treatment of iron sulfate in drought stress conditions increased 22.54% in 1000 seed weight compared to control in drought stress conditions. Bioptase and iron sulfate treatments under irrigation conditions increased 29.66% total chlorophyll compared to control under stress conditions. The interaction of drought stress and bioptase caused 85.48% increase in carotenoid than control in drought stress conditions. The results showed that biofertilizer and iron sulfate fertilizers could modify drought stress in fenugreek strain and improve the qualitative and quantitative properties of this medicinal plant.

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Volume 13, Issue 2
March 2022
Pages 37-49

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