SONG Mei-jing,ZHU Xiao-feng,WANG Dong,et al.Population Distribution and Pathogenicity Differentiation of Soybean Cyst Nematodein Main Soybean Production Areas of China[J].Soybean Science,2016,35(04):630-636.[doi:10.11861/j.issn.1000-9841.2016.04.0630]
我国大豆主产区大豆胞囊线虫群体分布及致病性分化研究
- Title:
- Population Distribution and Pathogenicity Differentiation of Soybean Cyst Nematodein Main Soybean Production Areas of China
- 分类号:
- S435. 651
- 文献标志码:
- A
- 摘要:
- 为了明确我国大豆主产区大豆胞囊线虫群体的发生分布及致病性分化情况,同时也为我国大豆胞囊线虫防治及抗病育种工作提供依据,本研究在全国范围内开展大豆胞囊线虫种群监测工作,对2012 - 2014 年国家大豆产业体系的29 个大豆试验站所辖150 个示范县进行大豆胞囊线虫的种群密度检测,并在国际统一的鉴别寄主上进行生理小种鉴定。明确了大豆胞囊线虫在我国20 个省( 市/自治区) 发生分布,总检出率达69. 4%。并对其中11 个群体进行生理小种鉴定,共鉴定出生理小种5 个,即1、2、3、4 和14 号生理小种。其中安徽宿州、甘肃镇原、内蒙古赤峰、陕西延安和宁夏银川的鉴定此前未见报道。2012 - 2014 年我国大豆胞囊线虫病害的发生比较严重,平均胞囊量高达99 个·L - 1 ,我国大豆胞囊线虫致病性分化并无明显变化,鉴定结果中1、3 和4 号生理小种出现频率较高,为72. 7%。
- Abstract:
- Soybean cyst nematode population distribution and pathogenicity differentiation were studied in main soybean productionareas of China,providing the basis for management soybean cyst nematode disease and breeding for resistance to SCN.SCN population density was detected at 150 demonstration counties of 29 comprehensive experimental stations in China,and identifiedthe races by different hosts. The distribution of SCN has been clarified in 20 provinces ( municipalities /autonomousregions) ,the total detection rate of SCN was 69. 4%. And among 11 populations were identified races that had 5 races,race1,race 2,race 3,race 4 and race 14. Wherein the identification results of Suzhou city of Anhui province,Zhenyuan Countyof Gansu province,Chifeng city of Mongolia,Yan’an city of Shanxi province,Yinchuan city of Ningxia Hui autonomous regionhad not been reported previously. Research indicated that SCN was serious disease at 2012 - 2014 in China,average cystnumbers were 9. 9 cyst·L - 1 ,pathogenicity differentiation of SCN wasn’t significant change,the 72. 7% identification of raceswere the race 1,race 3 and race 4.
参考文献/References:
[1] 段玉玺. 植物线虫学[M]. 北京: 科学出版社,2011. ( Duan YX. Plant nematology[M]. Beijing: Science Press,2011. )[2] 许艳丽,王丽芳,战丽莉. 大豆胞囊线虫病研究进展[J]. 大豆科技,2010( 1) : 21-24. ( Xu Y L,Wang L F,Zhan L L. Theresearch advances on soybean cyst nematodes[J]. Soybean Technology,2010( 1) : 21-24. )
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备注/Memo
基金项目: 农业部公益性行业科研专项( 201503114 ) ; 国家现代农业产业技术体系建设专项( CARS-04-PS13 ) ; 教育部博士点基金( 20112103110006) ; 国家自然科学基金( 31330063,31171569 ) ; 辽宁省大豆胞囊线虫生理小种鉴定及新鉴别体系研究( L2014273) 。第一作者简介: 宋美静( 1990-) ,女,硕士,主要从事大豆胞囊线虫研究。E-mail: songmeijing1990@126. com。通讯作者: 段玉玺( 1964-) ,男,教授,博导,主要从事大豆胞囊线虫研究。E-mail: duanyx6407@163. com。