Seed Yield Response of Faba Bean (Vicia faba L.) Genotypes to Drought Stress
Author(s):
Article Type:
Research/Original Article (دارای رتبه معتبر)
Abstract:
The response of seed yield and its components of 21 faba bean genotypes to drought stress was assessed using randomized complete block design with three replications, under two moisture environments; non stress (optimum irrigation) and drought stress (cut off of irrigation form commencement of flowering) and in two cropping seasons (2016-17 and 2018-19) at Gorgan agricultural research station, Gorgan, Iran. Combined analysis of variance showed that moisture environment had significant effect on all studied traits except 100-seed weight. Drought stress caused reduction in seed and biological yields as well as harvest index by 59.71%, 31.81% and 41.92%, respectively. Genotypes; G-Faba-66, G-Faba-65, G-Faba-62, G-Faba-294, G-Faba-292, G-Faba-523, G-Faba-525 and G-Faba-21, under non stress conditions (optimum irrigation), and G-Faba-67, G-Faba-66, G-Faba-75, G-Faba-72, G-Faba-65 and G-Faba-62, under drought stress conditions, had the highest seed yield, respectively. G-Faba-67 showed the highest level of tolerancee to drought stress considering seed yield, number of seed pod-1 and harvest index.
Keywords:
Language:
Persian
Published:
Seed and Plant Journal, Volume:36 Issue: 2, 2020
Pages:
241 to 254
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