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Virulence of brown planthopper (Nilaparvata lugens) populations from South and South East Asia against resistant rice varieties

文献类型： 外文期刊

作者： Horgan, Finbarr G. 1 ; Ramal, Angelee Fame 1 ; Bentur, Jagadish S. 2 ; Kumar, Ram 3 ; Bhanu, K. Vasanta 4 ; Sarao, 1 ;

作者机构： 1.Int Rice Res Inst, Crop & Environm Sci Div, Manila, Philippines

2.Directorate Rice Res, Hyderabad 500030, AP, India

3.Pioneer Hibred Private Ltd, Hyderabad 5000082, AP, India

4.Andhra Pradesh Rice Res Inst, Maruteru 534122, AP, India

5.Reg Agr Res Stn, Maruteru 534122, AP, India

6.Punjab Agr Univ, Plant Breeding & Genet Dept, Ludhiana 141004, Punjab, India

7.Indonesian Ctr Rice Res, Subang 41256, Jawa Barat, Indonesia

8.Southern Reg Plant Protect Ctr, Ling Dinh, Vietnam

9.Yezin Agr Univ, Dept Zool & Entomol, Yezin, Myanmar

10.Bangladesh Rice Res Inst, Div Entomol, Gazipur 1701, Bangladesh

11.Zhejiang Acad Agr Sci, Inst Plant Protect & Microbiol, Hangzhou, Zhejiang, Peoples R China

12.Taiwan Agr Res Inst 2, Chiayi Agr Expt Stn, Chiayi 60044, Taiwan

关键词： Adaptation;Bph3 gene;Host-plant resistance;Resistance genes;Standard seedbox screening test;Tolerance

期刊名称：CROP PROTECTION （ 影响因子：2.571； 五年影响因子：3.11 ）

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收录情况： SCI

摘要： This study examines the utility of resistant varieties and their associated resistance genes against brown planthopper, Nilaparvata lugens (Stal), populations from South and South East Asia. A collection of 39 rice accessions that included resistant, tolerant and susceptible varieties and breeding lines were examined for performance against populations of N. lugens from India (4), Bangladesh (1), Myanmar (1), Vietnam (1), Indonesia (1), China (1), Taiwan (1), and the Philippines (2). Planthopper virulence varied between regions; however only 6 varieties were generally less damaged than the susceptible check Taichung Native 1 (TN1) among >= 50% of the test populations. Each of these 6 varieties contained multiple resistance genes. One further variety, also with multiple resistance genes, and a modern cultivar (possibly with the Bph3 gene) were moderately effective against the South Asian populations, whereas a traditional variety with the Bph6 gene was effective against South East Asian populations. Bph1, bph2, bph5, bph7, bph8, Bph9, Bph10 and Bph18 were ineffective against most planthopper populations. Bph20, Bph21, and Bph17 have potential to be used in resistance breeding in both South and South East Asia, whereas BPH25 and BPH26 have potential for use in South Asia. The results indicate that only a few of the currently available resistance genes will be effective in monogenic rice lines; but that pyramiding of two or more genes with strong to weak resistance could improve resistance strength and durability as apparent with the most resistant, traditional varieties. Strategies to avoid planthopper adaptation to resistant rice varieties are discussed. (C) 2015 Elsevier Ltd. All rights reserved.

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