Evaluation of Tolerance of Some Soybean Genotypes to Drought Stress

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rahi alireza; NAJAFI ZARINI HAMID; RANJBAR GHOLAMALI; Ghajar Spanlou Mehdi

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Journal: JOURNAL OF CROP BREEDING Year:2020 | Volume:11 | Issue:32 Page(s): 100-115

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Title

Evaluation of Tolerance of Some Soybean Genotypes to Drought Stress

Author(s)

rahi alireza | NAJAFI ZARINI HAMID | RANJBAR GHOLAMALI | Ghajar Spanlou Mehdi | Issue Writer Certificate

Keywords

Cluster AnalysisQ2

Correlation AnalysisQ2

Drought StressQ2

Regression AnalysisQ3

SoybeanQ2

Abstract

In order to recognize the Soybean tolerant genotypes, a greenhouse as factorial experiment was conducted in form of randomized complete block design with three repetition in in Damavand. The first factor contained Soybean genotypes and second factor included two levels of normal irrigation and irrigation disruption in time of podding. The traits included plant height, reproductive branches no., number of leaves, chlorophyll a, chlorophyll b, chlorophyll total, carotenoids, days to flowering, days to fifty percent podding, number of flowers, dry weight of plant leaves, main stem nodes no, nodes in the, branches no, total dry stem weight, plant dry weight, first pod height of soil, days to harves, total pod no, dry weight of pod, pods length, seed pod no, seeds per plant, harvest index, weigh one hundred seeds and yield per plant. The analysis variance results showed that the reaction of Soybean genotypes to conditions of Drought Stress and lack of stress were different. The genotypes of, , , and represented high yield in both conditions of Drought Stress and normal conditions. Analysis of phenotypic correlation showed that the seed yield has a positive correlation with seeds per plant, harvest index, total dry weight of pods, weight dry of plant. Stepwise Regression Analysis for seed yield showed % of variation of yield, as a dependent variable justified. In the path analysis for grain yield the maximum positive direct effects were related to weight dry of plant and weigh one hundred seeds that showed important characteristics in relation to grain. Principal component analysis used to study the relationship between indices. Two first components could explain more than of variations of indices. Cluster decomposition divided the genotypes into groups and genotypes, , , and were set in one group. These genotypes have good yield in both environments according to the mean.

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APA: Copy

rahi, alireza, NAJAFI ZARINI, HAMID, RANJBAR, GHOLAMALI, & Ghajar Spanlou, Mehdi. (2020). Evaluation of Tolerance of Some Soybean Genotypes to Drought Stress. JOURNAL OF CROP BREEDING, 11(32 ), 100-115. SID. https://sid.ir/paper/181221/en

Vancouver: Copy

rahi alireza, NAJAFI ZARINI HAMID, RANJBAR GHOLAMALI, Ghajar Spanlou Mehdi. Evaluation of Tolerance of Some Soybean Genotypes to Drought Stress. JOURNAL OF CROP BREEDING[Internet]. 2020;11(32 ):100-115. Available from: https://sid.ir/paper/181221/en

IEEE: Copy

alireza rahi, HAMID NAJAFI ZARINI, GHOLAMALI RANJBAR, and Mehdi Ghajar Spanlou, “Evaluation of Tolerance of Some Soybean Genotypes to Drought Stress,” JOURNAL OF CROP BREEDING, vol. 11, no. 32 , pp. 100–115, 2020, [Online]. Available: https://sid.ir/paper/181221/en

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