Screening of pod shatter resistance and analysis of related traits in new lines of Brassica napus L.

doi:10.14088/j.cnki.issn0439-8114.2019.24.009

Abstract

Abstract: The pod shatter of Brassica napus L. seriously affected the yield and mechanical adaptability of rapeseed. 122 hybrids and self-lines of Brassica napus L. were assessed for pod shatter resistance using improved random impact test method.The results showed that the lines which pod shatter resistant index （SRI） was more than 0.60 accounted for 4.1%. By analyzing the correlation between the SRI and the length, width and beak of the pod, it is found that the SRI is significantly positively correlated with the length and thickness of the pod, and the correlation coefficient is high. Combined with the quality analysis traits of the seed, three new varieties of rapeseeds with good quality traits and higher SRI were screened for Zaoshu shengguang 168, E-7039 and E-7089.

Key words: Brassica napus L., pod shatter resistant, seed, quality trait

CLC Number:

S565.4

WANG Zhuan-rong, WAN Li-li, YANG Guang-sheng, SUN Yu-hong, XIN Qiang, HONG Deng-feng, GAO Hong-xia. Screening of pod shatter resistance and analysis of related traits in new lines of Brassica napus L.[J]. HUBEI AGRICULTURAL SCIENCES, 2019, 58(24): 34-37.

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