Correlations among Growth Stage Structure, Agronomic Traits and Yield of Soybeans Resistant to SCN(PDF)

《大豆科学》[ISSN:1000-9841/CN:23-1227/S]

Issue:

2011年02期

Page:

238-241

Research Field:

Publishing date:

Info

Title:

Correlations among Growth Stage Structure, Agronomic Traits and Yield of Soybeans Resistant to SCN

Author(s):

DU Zhi-qiang¹; TIAN Zhong-yan¹; ZHOU Chang-jun¹; LI Jian-ying¹; YANG Liu¹; WU Yao-kun¹; GAO Guo-jin¹; TANG Jin-hua²

1．Daqing Branch of Heilongjiang Academy of Agricultural Sciences, Daqing 163316；

2. Oriental Sunrise Country Government of Hegang City in Heilongjiang province, Hegang 154107, Heilongjiang, China

Keywords:

Resistant variety to SCN; Growth stage structure; Agronomic trait; Yield; Correlation

PACS:

S565.1

DOI:

10.11861/j.issn.1000-9841.2011.02.0238

Abstract:

Fifty soybean cyst nematode(SCN) resistant varieties(lines) were selected and the correlations among growth stage structure，agronomic traits and yield were analyzed. The results indicated that among these varieties，the days of earlier growth stage were about 33~35 days, accounted for 80% of tested varieties; later growth stage were 77~85 days, accounted for 76% of tested varieties; growth duration were 102~123 days, with those in 112~120 days accounted for 80% of tested varieties. Later growth stage and whole growth stage were significantly positive correlated with 100-seed weight, yield and very significantly positive correlated with seed weight per plant. Seed number per plant was very significantly negative correlated with 100-seed weight, the correlation coefficient was -0.4236.

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