|Table of Contents|

Application of Collecting Trough Method on Identification of Soybean Drought Resistance(PDF)

《大豆科学》[ISSN:1000-9841/CN:23-1227/S]

Issue:
2016年05期
Page:
766-771
Research Field:
Publishing date:

Info

Title:
Application of Collecting Trough Method on Identification of Soybean Drought Resistance
Author(s):
MA Jun-kui1; LIU Xiao-rong1;  ZHOU Wei2; LIU Xue-yi1
（1. Industrial Crop Research Institute, Shanxi Academy of Agricultural Sciences,Taiyuan 030006, China; 2. Fenyang Meteorological Bureau Fenyang, Shanxi 032200, China）
Keywords:
Soybean;  Drought resistance;  Identification method;  Collecting trough
PACS:
-
DOI:
10.11861/j.issn.1000-9841.2016.05.0766
Abstract:
Drought resistance is a complex quantitative trait in soybean. However, the accurate drought resistance of plant is difficult to obtain because the water content of soil is difficult to control. In the present study, in order to control the water content of soil, collecting trough with different diameters were placed on the field to collect rain, and its effects on soybean growth and field environment were evaluated, and then the feasibility of this method to identify the drought resistance of soybean was tested. The results showed that the plant height, number of nodes per plant, grain number per plant and seed weight per plant were decreased significantly as the diameters of collecting trough increased, but differences in the number of branches per plant, pod height was not significant.The diameters of collecting trough also had influence on the soil temperature and gravimetric water content, particular on the soil temperature at 5 cm depth at 14∶00 and soil gravimetric water content between 0-10 cm depth.Above results indicated that placing collecting trough between soybean rows could reduce soil gravimetric water content; there were significant differences among different diameters of collecting trough in drought resistance related traits, e-g- plant height, number of nodes per plant, number of seed and seed weight per plant. Thus, treated the normal filed management as control, placement of collecting trough with diameter of 25 cm on field could be used to evaluate the drought resistance of soybean.

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Last Update: 2016-09-25