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240621s2024 xx |||||o 00| ||eng c |
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|a 10.1094/PDIS-02-24-0442-SR
|2 doi
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|a eng
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| 100 |
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|a You, Jia
|e verfasserin
|4 aut
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| 245 |
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|a Survey of Heterodera glycines Population Abundance and Virulence Phenotypes During 2021 to 2022 in Heilongjiang Province
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|c 2024
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|a Text
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|a ƒaComputermedien
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|a Date Completed 29.10.2024
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|a Date Revised 29.10.2024
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Soybean cyst nematode (SCN), Heterodera glycines, poses a significant threat to global soybean production. Heilongjiang, the largest soybean-producing province in China, contributes more than 40% to the country's total yield. This province has much longer history of SCN infestation. To assess the current situation in Heilongjiang, we conducted a survey to determine the SCN population density and virulence phenotypes during 2021 to 2022 and compared the data with a previous study in 2015. A total of 377 soil samples from 48 counties representing 11 major soybean-planting regions were collected. The prevalence of SCN increased from 55.4% in 2015 to 59% in the current survey. The population densities ranged from 80 to 26,700 eggs and juveniles per 100 cm3 of soil. Virulence phenotypes were evaluated for 60 representative SCN populations using the H. glycines (HG) type test, revealing nine different HG types. The most common virulence phenotypes were HG types 7 and 0, accounting for 56.7 and 20% of all SCN populations, respectively. The prevalence of populations with a female index (FI) greater than 10% on PI 548316 increased from 64.5% in 2015 to 71.7%. However, the FI on the commonly used resistance sources PI 548402 (Peking) and PI 437654 remained low at 3.3%. These findings highlight the increasing prevalence and changing virulence phenotypes of SCN in Heilongjiang. They also emphasize the importance of rotating soybean varieties with different resistance sources and urgently identifying new sources of resistance to combat SCN
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|a Journal Article
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|a Heterodera glycines
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|a resistance
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|a soybean cyst nematode
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|a virulence phenotype
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|a Soil
|2 NLM
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1 |
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|a Wang, Jiajun
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Tian, Runze
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wang, Siru
|e verfasserin
|4 aut
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| 700 |
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|a Yu, Ying
|e verfasserin
|4 aut
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| 700 |
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|a Xu, Lijian
|e verfasserin
|4 aut
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| 700 |
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|a Zhou, Changjun
|e verfasserin
|4 aut
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| 700 |
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|a Pan, Fengjuan
|e verfasserin
|4 aut
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| 700 |
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|a Chen, Jingsheng
|e verfasserin
|4 aut
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1 |
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|a Sui, Yueyu
|e verfasserin
|4 aut
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| 700 |
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|a Hu, Yanfeng
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
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|g 108(2024), 10 vom: 20. Okt., Seite 2968-2975
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|u http://dx.doi.org/10.1094/PDIS-02-24-0442-SR
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