|Table of Contents|

Evolution of Agronomic, Yield and Quality Traits of Spring Soybean Varieties Attending National Regional Test of Yangtze River Basin(PDF)

《大豆科学》[ISSN:1000-9841/CN:23-1227/S]

Issue:
2019年01期
Page:
41-48
Research Field:
Publishing date:

Info

Title:
Evolution of Agronomic, Yield and Quality Traits of Spring Soybean Varieties Attending National Regional Test of Yangtze River Basin
Author(s):
ZHAO Chao-sen1;  ZHAO Xian-wei1;  YANG Zhong-lu2;  HE Yan-qin3;  WANG Rui-zhen1;  GUO Bing-fu1
(1.Institute of Crop Sciences, Jiangxi Academy of Agricultural Sciences, Nanchang 330200, China; 2.Oil Crops Research Institute,Chinese Academy of Agricultural Sciences,Wuhan 430062, China; 3.National Agriculture Technology Extension Center, Agriculture Ministry, Beijing 100026, China)
Keywords:
Yangtze river basin;  Spring soybean;  Yield;  Quality;  Agronomic traits;  Evolution
PACS:
-
DOI:
10.11861/j.issn.1000-9841.2019.01.0041
Abstract:
In order to guide the breeding and promotion of new spring soybean varieties with high yield and high quality, the data of 12 years′ variety test of spring soybean group in the Yangtze river basin from 2006 to 2017 were analyzed, and the genetic change and correlation of the important agronomic characters, yield and quality trait of the cultivars through the analysis of variance and the correlation analysis were studied.The results showed that 16 out of 90 varieties tested in 12 years had passed the test and applied for national review. The genetic variation of quality traits was the least, the genetic variation of important agronomic traits was the largest, while the genetic variation of yield and its related traits was the middle. As the annual increment, testing varieties of growing days, plant height, height of the lowest pod, nodes on main stem, effective pods per plant and seed numbers per plant showed a general trend of slow decline. Seed weight, yield, and 100-seed weight showed a general trend of slow increase. Effective branches per plant, crude protein content, crude fat content, total protein and fat content change trend was not obvious. The correlation analysis showed that the yield was positively correlated with seed weight and 100-seed weight, and negatively correlated with growth days and crude protein content.Therefore, during the breeding of new spring soybean varieties in the Yangtze river basin, growth days and crude protein content should be shortened to increase the yield.

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Last Update: 2019-01-22