<abstract xmlns="http://www.w3.org/1999/xhtml">

<p>The soybean cyst nematode (SCN), <italic>Heterodera glycines</italic>, is a serious economic threat to soybean-producing regions worldwide. A new SCN population (called race X12) was detected in Shanxi province, China. Race X12 could reproduce on all the indicator lines of both race and <italic>Heterodera glycines</italic> (HG) type tests. The average number of females on Lee68 (susceptible control) was
171.40 with the lowest Female Index (FI) 61.31 on PI88788 and the highest FI 117.32 on Pickett in the race test. The average number of females on Lee68 was 323.17 with the lowest FI 44.18 on PI88788 and the highest FI 97.83 on PI548316 in the HG type test. ZDD2315 and ZDD24656 are elite resistant germplasms in China. ZDD2315 is highly resistant to race 4, the strongest infection race in the 16 races with FI 1.51 while being highly sensitive to race X12 with FI 64.32. ZDD24656, a variety derived from PI437654 and ZDD2315, is highly resistant to race 1 and race 2. ZDD24656 is highly sensitive to race X12 with FI 99.12. Morphological and molecular studies of J2 and cysts confirmed the population as the SCN <italic>H. glycines</italic>. This is a new SCN race with stronger virulence than that of race 4 and is a potential threat to soybean production in China.</p>
</abstract>

The soybean cyst nematode (SCN), Heterodera glycines, is a serious economic threat to soybean-producing regions worldwide. A new SCN population (called race X12) was detected in Shanxi province, China. Race X12 could reproduce on all the indicator lines of both race and Heterodera glycines (HG) type tests. The average number of females on Lee68 (susceptible control) was
171.40 with the lowest Female Index (FI) 61.31 on PI88788 and the highest FI 117.32 on Pickett in the race test. The average number of females on Lee68 was 323.17 with the lowest FI 44.18 on PI88788 and the highest FI 97.83 on PI548316 in the HG type test. ZDD2315 and ZDD24656 are elite resistant germplasms in China. ZDD2315 is highly resistant to race 4, the strongest infection race in the 16 races with FI 1.51 while being highly sensitive to race X12 with FI 64.32. ZDD24656, a variety derived from PI437654 and ZDD2315, is highly resistant to race 1 and race 2. ZDD24656 is highly sensitive to race X12 with FI 99.12. Morphological and molecular studies of J2 and cysts confirmed the population as the SCN H. glycines. This is a new SCN race with stronger virulence than that of race 4 and is a potential threat to soybean production in China.

A New Race (X12) of Soybean Cyst Nematode in China

Key Laboratory of Oil Crops in Huang-Huai Valleys of Ministry of Agriculture, Institute of Industrial Crops, Henan Academy of Agricultural Sciences

Journal of Nematology

This work is licensed under the Creative Commons Attribution 4.0 International License.

{"article-title":"A New Race (X12) of Soybean Cyst Nematode in China"}

The soybean cyst nematode (SCN), Heterodera glycines, is a serious economic threat to soybean-producing regions worldwide. A new SCN population (called race...

A New Race (X12) of Soybean Cyst Nematode in China

Publicado en línea: 05 dic 2017

Páginas: 168 - 176

Recibido: 20 mar 2017

DOI: https://doi.org/10.21307/jofnem-2017-079

Palabras clave
race, soybean, soybean cyst nematode.

© 2017 Yun Lian et al., published by Sciendo

This work is licensed under the Creative Commons Attribution 4.0 International License.

A New Race (X12) of Soybean Cyst Nematode in China

Publicado en línea: 05 dic 2017

Páginas: 168 - 176

Recibido: 20 mar 2017

DOI: https://doi.org/10.21307/jofnem-2017-079

Palabras claverace, soybean, soybean cyst nematode.

© 2017 Yun Lian et al., published by Sciendo

This work is licensed under the Creative Commons Attribution 4.0 International License.

Palabras clave
race, soybean, soybean cyst nematode.