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An Improved Method for the Identification of Soybean Resistance to Phytophthora sojae Applied to Germplasm Resources from the Huanghuaihai and Dongbei Regions of China.

Identifieur interne : 000305 ( Main/Exploration ); précédent : 000304; suivant : 000306

An Improved Method for the Identification of Soybean Resistance to Phytophthora sojae Applied to Germplasm Resources from the Huanghuaihai and Dongbei Regions of China.

Auteurs : Jin Yang [République populaire de Chine] ; Wenwu Ye [République populaire de Chine] ; Xiaomen Wang [République populaire de Chine] ; Linrong Ren [République populaire de Chine] ; Yan Yao [République populaire de Chine] ; Xiaoli Wang [République populaire de Chine] ; Yan Wang [République populaire de Chine] ; Suomeng Dong [République populaire de Chine] ; Xiaobo Zheng [République populaire de Chine] ; Yuanchao Wang [République populaire de Chine]

Source :

RBID : pubmed:31790644

Descripteurs français

English descriptors

Abstract

Phytophthora root and stem rot (PRR) caused by Phytophthora sojae is a destructive disease afflicting soybean. The use of resistant cultivars is the most effective method to combat PRR. PRR resistance was assessed in 223 soybean cultivars from Huanghuaihai and Dongbei, major soybean-producing regions in east central and northeastern China. To evaluate levels of soybean resistance to P. sojae, we used eight representative P. sojae isolates and a modified etiolated hypocotyl-slit inoculation method. The cultivars Wandou21020, Xu9302-A, Kedou10, and Lidi055 showed resistance to all eight isolates; 14 cultivars showed intermediate resistance to all eight P. sojae isolates, and 53 cultivars were resistant to seven isolates. Thirty-three cultivars (15%) were susceptible only to the highly virulent PsJS2 isolate, which is consistent with the reactions of the Chapman differential line that carries Rps3a. The diverse reaction patterns seen in germplasm from different regions (provinces/cities) in this study reflect the variety of PRR-resistant soybean sources in China. Our research indicates that sources of P. sojae resistance are present in the major soybean production areas of China. This study provides useful information for soybean breeding programs.

DOI: 10.1094/PDIS-01-19-0168-RE
PubMed: 31790644


Affiliations:


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<div type="abstract" xml:lang="en">Phytophthora root and stem rot (PRR) caused by
<i>Phytophthora sojae</i>
is a destructive disease afflicting soybean. The use of resistant cultivars is the most effective method to combat PRR. PRR resistance was assessed in 223 soybean cultivars from Huanghuaihai and Dongbei, major soybean-producing regions in east central and northeastern China. To evaluate levels of soybean resistance to
<i>P. sojae</i>
, we used eight representative
<i>P. sojae</i>
isolates and a modified etiolated hypocotyl-slit inoculation method. The cultivars Wandou21020, Xu9302-A, Kedou10, and Lidi055 showed resistance to all eight isolates; 14 cultivars showed intermediate resistance to all eight
<i>P. sojae</i>
isolates, and 53 cultivars were resistant to seven isolates. Thirty-three cultivars (15%) were susceptible only to the highly virulent PsJS2 isolate, which is consistent with the reactions of the Chapman differential line that carries
<i>Rps3a</i>
. The diverse reaction patterns seen in germplasm from different regions (provinces/cities) in this study reflect the variety of PRR-resistant soybean sources in China. Our research indicates that sources of
<i>P. sojae</i>
resistance are present in the major soybean production areas of China. This study provides useful information for soybean breeding programs.</div>
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<Title>Plant disease</Title>
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<ArticleTitle>An Improved Method for the Identification of Soybean Resistance to
<i>Phytophthora sojae</i>
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<AbstractText>Phytophthora root and stem rot (PRR) caused by
<i>Phytophthora sojae</i>
is a destructive disease afflicting soybean. The use of resistant cultivars is the most effective method to combat PRR. PRR resistance was assessed in 223 soybean cultivars from Huanghuaihai and Dongbei, major soybean-producing regions in east central and northeastern China. To evaluate levels of soybean resistance to
<i>P. sojae</i>
, we used eight representative
<i>P. sojae</i>
isolates and a modified etiolated hypocotyl-slit inoculation method. The cultivars Wandou21020, Xu9302-A, Kedou10, and Lidi055 showed resistance to all eight isolates; 14 cultivars showed intermediate resistance to all eight
<i>P. sojae</i>
isolates, and 53 cultivars were resistant to seven isolates. Thirty-three cultivars (15%) were susceptible only to the highly virulent PsJS2 isolate, which is consistent with the reactions of the Chapman differential line that carries
<i>Rps3a</i>
. The diverse reaction patterns seen in germplasm from different regions (provinces/cities) in this study reflect the variety of PRR-resistant soybean sources in China. Our research indicates that sources of
<i>P. sojae</i>
resistance are present in the major soybean production areas of China. This study provides useful information for soybean breeding programs.</AbstractText>
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<Initials>Y</Initials>
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<Affiliation>Department of Plant Pathology, Nanjing Agricultural University, and Key Laboratory of Integrated Management of Crop Diseases and Pests, Ministry of Education, Nanjing, Jiangsu 210095, China.</Affiliation>
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<Affiliation>Department of Plant Pathology, Nanjing Agricultural University, and Key Laboratory of Integrated Management of Crop Diseases and Pests, Ministry of Education, Nanjing, Jiangsu 210095, China.</Affiliation>
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<Country>United States</Country>
<MedlineTA>Plant Dis</MedlineTA>
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<ISSNLinking>0191-2917</ISSNLinking>
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<Keyword MajorTopicYN="N">Phytophthora sojae</Keyword>
<Keyword MajorTopicYN="N">improved method</Keyword>
<Keyword MajorTopicYN="N">resistance genes</Keyword>
<Keyword MajorTopicYN="N">soybean germplasm resources</Keyword>
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<li>République populaire de Chine</li>
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<name sortKey="Dong, Suomeng" sort="Dong, Suomeng" uniqKey="Dong S" first="Suomeng" last="Dong">Suomeng Dong</name>
<name sortKey="Ren, Linrong" sort="Ren, Linrong" uniqKey="Ren L" first="Linrong" last="Ren">Linrong Ren</name>
<name sortKey="Wang, Xiaoli" sort="Wang, Xiaoli" uniqKey="Wang X" first="Xiaoli" last="Wang">Xiaoli Wang</name>
<name sortKey="Wang, Xiaomen" sort="Wang, Xiaomen" uniqKey="Wang X" first="Xiaomen" last="Wang">Xiaomen Wang</name>
<name sortKey="Wang, Yan" sort="Wang, Yan" uniqKey="Wang Y" first="Yan" last="Wang">Yan Wang</name>
<name sortKey="Wang, Yuanchao" sort="Wang, Yuanchao" uniqKey="Wang Y" first="Yuanchao" last="Wang">Yuanchao Wang</name>
<name sortKey="Yao, Yan" sort="Yao, Yan" uniqKey="Yao Y" first="Yan" last="Yao">Yan Yao</name>
<name sortKey="Ye, Wenwu" sort="Ye, Wenwu" uniqKey="Ye W" first="Wenwu" last="Ye">Wenwu Ye</name>
<name sortKey="Zheng, Xiaobo" sort="Zheng, Xiaobo" uniqKey="Zheng X" first="Xiaobo" last="Zheng">Xiaobo Zheng</name>
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