CHI Xiao-yuan
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Re-planting problem has become a widespread issue constraining the sustainable development of the peanut industry. Therefore, systematic identification and evaluation of re-planting tolerant peanut cultivars, along with an in-depth analysis of their correlations with key traits, are fundamental research urgently needed at present. In this study, 15 peanut cultivars were planted in fields subjected to six, seven, and eight years of continuous cropping, respectively. Thirteen agronomic and yield-related traits were measured, and correlation analysis was conducted to evaluate the relationships among these traits. The results revealed significant correlations exist between agronomic and yield traits. Four principal components were extracted from the 13 trait groups by principal component analysis, with a cumulative contribution rate of 80.31%. Membership function analysis identified the top three performing cultivars in the six-year continuous cropping field as Huayu917, Longhua10, and Huayu9116; in the seven-year continuous cropping field as Huayu9125, Huayu9112, and Huayu9116; and in the eight-year continuous cropping field as Huayu9112, Huayu33, and Huayu9121. Finally, through cluster analysis, four peanut cultivars with outstanding re-planting tolerance were comprehensively identified as Huayu9116, Huayu33, Huayu9121, and Huayu9112. Additionally, five cultivars with moderate re-planting tolerance were selected as Huayu9118, Huayu23, Huayu917, Huayu9125, and Huayu9117. Correlation analysis between cultivars and traits indicated that re-planting tolerant cultivars exhibit relatively stable yield and plant architecture traits. A theoretical basis for the selection and promotion of re-planting tolerant peanut cultivars are provided in this study.
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Basic Information:
DOI：10.14001/j.issn.1002-4093.2026.02.008
China Classification Code:S565.2
Citation Information:
[1]ZHANG Xin-xin,MA Jun-qing,CHEN Na ,et al.Identification and Evaluation of Continuous Cropping Tolerant Peanut Cultivars (Lines) and Correlation Analysis of Key Traits[J].Journal of Peanut Science,2026,55(02):219-229.DOI:10.14001/j.issn.1002-4093.2026.02.008.
Fund Information:
青岛市自然科学基金青年项目(25-1-1-38-zyyd-jch); 山东省自然科学基金项目(ZR2025QC282,ZR2023QC146,ZR2023XC177); 山东省农业科学院农业科技创新项目(CXGC2025C19,CXGC2025F19); 泰山学者项目基金(tstp20240523,tsqn202312292); 财政部和农业部：国家现代农业产业技术体系(CARS-13); 山东省重点研发计划(竞争性创新平台)项目(2025CXPT167); 新疆重大科技专项(2022A02008-3); 农业农村部油料作物生物学与遗传改良重点实验室开放课题(KF2024007); 吉林省科技发展计划项目(20250202002NC)
2026-04-01
2026-04-01
2026-04-01