Effect of Drought Stress After Flowering Period on Morpho-Physiological Characteristics and Yield of Some Winter Genotypes of Rapeseed (Brassica napus L. ) in Field Condition

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CHESHMEHNOOR MORAD; BIHAMTA MOHAMMAD REZA; Nejat Boshehri Aliakbar; Abassi Ali Reza; Alizadeh Bahran

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Journal: JOURNAL OF CROP BREEDING Year:2019 | Volume:11 | Issue:30 Page(s): 88-97

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Title

Effect of Drought Stress After Flowering Period on Morpho-Physiological Characteristics and Yield of Some Winter Genotypes of Rapeseed (Brassica napus L. ) in Field Condition

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Keywords

Drought StressQ2

Genetic DiversityQ2

Morpho-PhysiologicalQ2

RapeseedQ1

Abstract

Drought stress is one of the important factors that inhibit growth and yield reduction in rapeseed. This research was conducted to study the morphological and physiology characteristics of winter rapeseed genotypes under control and drought stress conditions. The experiment was performed-based on randomized complete block design with three replications in at Borujerd agricultural research campus. The results of combined analysis showed that genotype and environment interaction was significant for some traits such as grain yield, flowering period, number of days to flowering and seedling period at probability level. On the other hand, genotype and environment interaction for Chlorophyll was significant at probability level. The results of mean comparisons showed that genotype had the least grain yield in both control and drought stress conditions. L genotype had the highest grain yield under drought stress condition. Growth to flowering and seedling period traits with and in control and drought stress, respectively, had the highest general heritability. In factor analysis, under control and drought stress conditions, the first to fourth and the first to third factors had and of total variance, respectively. Under control and drought stress conditions, the highest genetic distance was observed between genotypes with Ahmadi and with, respectively. As a result, genotypes with more genetic distance than each other can be used as candidates for breeding programs in the future.

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APA: Copy

CHESHMEHNOOR, MORAD, BIHAMTA, MOHAMMAD REZA, Nejat Boshehri, Aliakbar, Abassi, Ali Reza, & Alizadeh, Bahran. (2019). Effect of Drought Stress After Flowering Period on Morpho-Physiological Characteristics and Yield of Some Winter Genotypes of Rapeseed (Brassica napus L. ) in Field Condition. JOURNAL OF CROP BREEDING, 11(30 ), 88-97. SID. https://sid.ir/paper/181023/en

Vancouver: Copy

CHESHMEHNOOR MORAD, BIHAMTA MOHAMMAD REZA, Nejat Boshehri Aliakbar, Abassi Ali Reza, Alizadeh Bahran. Effect of Drought Stress After Flowering Period on Morpho-Physiological Characteristics and Yield of Some Winter Genotypes of Rapeseed (Brassica napus L. ) in Field Condition. JOURNAL OF CROP BREEDING[Internet]. 2019;11(30 ):88-97. Available from: https://sid.ir/paper/181023/en

IEEE: Copy

MORAD CHESHMEHNOOR, MOHAMMAD REZA BIHAMTA, Aliakbar Nejat Boshehri, Ali Reza Abassi, and Bahran Alizadeh, “Effect of Drought Stress After Flowering Period on Morpho-Physiological Characteristics and Yield of Some Winter Genotypes of Rapeseed (Brassica napus L. ) in Field Condition,” JOURNAL OF CROP BREEDING, vol. 11, no. 30 , pp. 88–97, 2019, [Online]. Available: https://sid.ir/paper/181023/en

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