THE EFFECT OF EPIBRASSINOLIDE ON GROWTH AND SEED YIELD OF BEAN UNDEROPTIMAL IRRIGATION AND DROUGHT STRESS CONDITIONS

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MOHAMMADI MAHSA; TAVAKOLI AFSHIN; POURYOUSEF MAJID; MOHSENI FARD EHSAN

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Paper Information

Journal: JOURNAL OF CROPS IMPROVEMENT (JOURNAL OF AGRICULTURE) Year:2018 | Volume:20 | Issue:3 Page(s): 598-608

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Title

THE EFFECT OF EPIBRASSINOLIDE ON GROWTH AND SEED YIELD OF BEAN UNDEROPTIMAL IRRIGATION AND DROUGHT STRESS CONDITIONS

Author(s)

MOHAMMADI MAHSA | TAVAKOLI AFSHIN | POURYOUSEF MAJID | MOHSENI FARD EHSAN | Issue Writer Certificate

Keywords

BIOLOGICAL YIELDQ2

HARVEST INDEXQ2

LEAF AREA INDEXQ2

SEED WEIGHTQ1

YIELD COMPONENTSQ2

Abstract

In order to evaluate the increment possibility of bean seed yield by application of brassinosteroid, the present study has conducted asplit factorial experiment, based on randomized complete block design with three replications. The experiment has been carriedout in the research farm of Agriculture Faculty, the University of Zanjan, during cropping seasons of 2016-2017 and the irrigationlevels include optimal irrigation with drought stress applied to main plots and bean cultivars (Kusha cultivar and COS16 genotype). Four levels of brassinosteroid, namely no-application (control), two, four, and six μ M have been allocated to subplots as factorial. Drought stress has been applied in the flowering stage, wherein the bean plants have been simultaneously sprayed with bothbrassinosteroid (epibrassinolide) and drought stress. Results show that drought stress decreases LEAF AREA INDEX, YIELD COMPONENTS, seedyield, BIOLOGICAL YIELD, and HARVEST INDEX and the application of epibrassinolide minimizes the negative effects of drought stress, increasing the above traits. The highest seed yield belongs to the application of two μ M of epibrassinolide with an average o f 2068. 2kg. ha-1. Also, among the studied cultivars, the Kusha cultivar under optimal irrigation with an average of 3025. 45 kg. ha-1 shows higherseed yield, compared to COS16 genotype. Therefore, the use of epibrassinolide can be suggested as a solution to increase drought stressresistance and enhance seed yield of bean under optimal irrigation and drought stress conditions.

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APA: Copy

MOHAMMADI, MAHSA, TAVAKOLI, AFSHIN, POURYOUSEF, MAJID, & MOHSENI FARD, EHSAN. (2018). THE EFFECT OF EPIBRASSINOLIDE ON GROWTH AND SEED YIELD OF BEAN UNDEROPTIMAL IRRIGATION AND DROUGHT STRESS CONDITIONS. JOURNAL OF CROPS IMPROVEMENT (JOURNAL OF AGRICULTURE), 20(3 ), 598-608. SID. https://sid.ir/paper/209444/en

Vancouver: Copy

MOHAMMADI MAHSA, TAVAKOLI AFSHIN, POURYOUSEF MAJID, MOHSENI FARD EHSAN. THE EFFECT OF EPIBRASSINOLIDE ON GROWTH AND SEED YIELD OF BEAN UNDEROPTIMAL IRRIGATION AND DROUGHT STRESS CONDITIONS. JOURNAL OF CROPS IMPROVEMENT (JOURNAL OF AGRICULTURE)[Internet]. 2018;20(3 ):598-608. Available from: https://sid.ir/paper/209444/en

IEEE: Copy

MAHSA MOHAMMADI, AFSHIN TAVAKOLI, MAJID POURYOUSEF, and EHSAN MOHSENI FARD, “THE EFFECT OF EPIBRASSINOLIDE ON GROWTH AND SEED YIELD OF BEAN UNDEROPTIMAL IRRIGATION AND DROUGHT STRESS CONDITIONS,” JOURNAL OF CROPS IMPROVEMENT (JOURNAL OF AGRICULTURE), vol. 20, no. 3 , pp. 598–608, 2018, [Online]. Available: https://sid.ir/paper/209444/en

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