|Table of Contents|

Identification of Drought Stress Tolerance in Soybean [Glycine max(L.) Merr.](PDF)

《大豆科学》[ISSN:1000-9841/CN:23-1227/S]

Issue:
2015年01期
Page:
163-167
Research Field:
Publishing date:

Info

Title:
Identification of Drought Stress Tolerance in Soybean [Glycine max(L.) Merr.]
Author(s):
YAN Chun-juan SONG Shu-hong WANG Wen-bin WANG Chang-ling
Crop Institute of Liaoning Academy of Agricultural Sciences, Shenyang 110161, China
Keywords:
Soybean Drought-tolerance Subordinate function values Drought resistance coefficient Yield
PACS:
S565.1
DOI:
10.11861/j.issn.1000-9841.2015.01.0163
Abstract:
Abstract: In the study, the main physiological traits at vegetative and reproductive period of 18 soybean cultivars were investigated to screen drought resistant varieties in pot culture condition. Field experiments were conducted with the same soybean cultivars, yield were investigated under semi-arid region (Chaoyang) and humid and semi-humid region (Shenyang) respectively to select drought-resistant varieties at the whole growth period. The results showed that two soybean cultivars, Liaodou24 and Jindou36 were screened with 2 levels of drought tolerance at vegetative growth period. Two soybean cultivars,Liaodou26 and Tiedou37 were screened with 2 levels of drought tolerance at reproductive growth period.Tiedou 49 was high drought tolerant cultivar in the whole growth stage drought test.Based on the drought tolerance coefficients and the subordinate function value, 3 soybean varieties with high yield and tolerant to drought were screened out including Liaodou26, Tiedou37 and Tiedou49. These three cultivars are recommended to be planted in semi-arid area. Combined subordinate function values method with whole growth period method in drought resistance identification of soybean germplasm was more effective. The identification result of reproductive period was more accordance with the whole growth period method.

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Last Update: 2015-04-13