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Identification and Screening of Pod Shattering Resistance and Itʼs Correlation with Agronomic Traits in Strong Winter Rapeseed
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Yuanqiang Ma1, Lijun Liu2, Li Ma2, Xinyu Xu1, Yahong Zhang3, Juan Wang4, Yuanyuan Pu1, Wangtian Wang5, Gang Yang1, Junyan Wu1
Crops | 2026, 42(2) : 12 - 22
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Crops | 2026, 42(2): 12-22
Identification and Screening of Pod Shattering Resistance and Itʼs Correlation with Agronomic Traits in Strong Winter Rapeseed
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Yuanqiang Ma1, Lijun Liu2, Li Ma2, Xinyu Xu1, Yahong Zhang3, Juan Wang4, Yuanyuan Pu1, Wangtian Wang5, Gang Yang1, Junyan Wu1
Affiliations
  • 1College of Agronomy, Gansu Agricultural University, Lanzhou 730070, Gansu, China
  • 2State-Ministry Joint Key Laboratory of Aridland Crop Science, Lanzhou 730070, Gansu, China
  • 3Tianshui Institute of Agricultural Sciences, Tianshui 741001, Gansu, China
  • 4Gansu Zhangye Academy of Agricultural Sciences, Zhangye 734099, Gansu, China
  • 5College of Life Science and Technology, Gansu Agricultural University, Lanzhou 730070, Gansu, China
Published: 2026-04-15 doi: 10.16035/j.issn.1001-7283.2026.02.002
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In order to screen winter rapeseed lines with high resistance to pod shattering suitable for planting in Gansu Province, promote mechanized harvesting, and increase yield, the random impact method was used to identify pod shattering resistance of 43 winter rapeseed lines. The results were analyzed through systematic clustering and correlation analysis in combination with related agronomic traits. Clustering analysis revealved that the 43 materials were classified into four groups. The average pod shattering resistance index (SRI) of the Group Ⅰ was 0.861, presenting moderate resistance to shattering. The average SRI of Group Ⅱ was 0.958, presenting high resistance to shattering. The average SRI of Group Ⅲ was 0.722, presenting low resistance to shattering. The average SRI of Group Ⅳ was 0.621, presenting easy shattering. Correlation analysis showed that SRI had an extremely significantly positive correlation with pericarp thickness with a large correlation coefficient. There was no significant correlation between SRI and the other agronomic traits, indicating that pericarp thickness significantly affected pod shattering resistance of winter rapeseed, and it could be used as a morphological index for screening of pod shattering resistant varieties. Based on a comprehensive analysis of the yield, quality traits, and SRI of 43 strong-winter rapeseed lines, a total of 17 winter rapeseed lines were screened. Among them, M-8 and M-14 had a high SRI, high yield, and excellent quality traits.

Winter rapeseed  /  Pod shattering resistance  /  Agronomic traits  /  Quality traits
Yuanqiang Ma, Lijun Liu, Li Ma, Xinyu Xu, Yahong Zhang, Juan Wang, Yuanyuan Pu, Wangtian Wang, Gang Yang, Junyan Wu. Identification and Screening of Pod Shattering Resistance and Itʼs Correlation with Agronomic Traits in Strong Winter Rapeseed[J]. Crops, 2026 , 42 (2) : 12 -22 . DOI: 10.16035/j.issn.1001-7283.2026.02.002
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Year 2026 volume 42 Issue 2
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Article Info
doi: 10.16035/j.issn.1001-7283.2026.02.002
  • Receive Date：2024-07-22
  • Online Date：2026-04-30
  • Published：2026-04-15
Article Data
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History
  • Received：2024-07-22
  • Revised：2024-09-25
Funding
Affiliations
    1College of Agronomy, Gansu Agricultural University, Lanzhou 730070, Gansu, China
    2State-Ministry Joint Key Laboratory of Aridland Crop Science, Lanzhou 730070, Gansu, China
    3Tianshui Institute of Agricultural Sciences, Tianshui 741001, Gansu, China
    4Gansu Zhangye Academy of Agricultural Sciences, Zhangye 734099, Gansu, China
    5College of Life Science and Technology, Gansu Agricultural University, Lanzhou 730070, Gansu, China
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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