Evaluating Resistance of Potato Cultivars and Breeding Clones to Golden Cyst Nematode Globodera rostochiensis in China
文献类型： 外文期刊
作者： Jiang, Ru 1 ; Wang, Pengjun 2 ; Zhang, Zhengyu 2 ; Liang, Shuming 3 ; Li, Yanshan 3 ; Yao, Chunguang 3 ; Huang, Wenkun 1 ; Hu, Xianqi 4 ; Peng, Deliang 1 ; Li, Yinmei 5 ; Liu, Xia 4 ; Peng, Huan 1 ;
作者机构： 1.Chinese Acad Agr Sci, State Key Lab Biol Plant Dis & Insect Pests, Inst Plant Protect, Beijing 100193, Peoples R China
2.Agr Technol Extens Ctr Xuanwei, Potato Seeds Res & Dev Ctr Xuanwei, Xuanwei 655400, Yunnan, Peoples R China
3.Yunnan Acad Agr Sci, Ind Crops Res Inst, Kunming 650200, Peoples R China
4.Yunnan Agr Univ, Natl Engn Res Ctr Agrobiodivers Appl Technol, Kunming 650201, Peoples R China
5.Bioagr Inst Shaanxi, Shaanxi Key Lab Plant Nematol, Xian 710043, Peoples R China
关键词：
期刊名称：PLANT DISEASE （ 影响因子：4.4； 五年影响因子：4.8 ）
ISSN： 0191-2917
年卷期： 2025 年 109 卷 7 期
页码：
收录情况： SCI
摘要： The golden cyst nematode, Globodera rostochiensis, is a regulatory pathogen that can significantly reduce potato yields and hinder the international trade of potatoes. Unfortunately, this nematode has been reported in southwestern China. Nevertheless, limited information exists on the resistance levels of Chinese potato germplasm, especially primary commercial cultivars, to G. rostochiensis in southwestern China. This study evaluated the resistance of 35 potato cultivars currently grown in the southwest and northern China, along with 132 novel breeding clones, to G. rostochiensis. Our result showed that 8 cultivars and 35 clones were identified as carrying the H1 resistance gene using two established molecular markers, 57R and TG689, including the prominent cultivars Atlantic and Jizhangshu 12, which rank among the top five in terms of cultivated area in China. Furthermore, two cultivars, Yunshu 202 and Zhongshu 20, along with 13 clones, demonstrated high resistance to G. rostochiensis, with no cysts detected in the rhizosphere soil through bioassays. The resistant cultivar Yunshu 202 stimulated G. rostochiensis hatching, yet the invading J2s failed to progress into the female stage. The results highlight the potential for developing resistant cultivars to reduce potato cyst nematode population densities for future research endeavors. This study identified resistant cultivars for immediate integration into China's comprehensive potato cyst nematode management strategy while also facilitating the screening of breeding clones for resistance to G. rostochiensis.
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