水稻黑条矮缩病毒对非介体稻飞虱&mdash;&mdash;白背飞虱适应性的影响

何晓婵1,2徐红星2郑许松2杨亚军2高广春2潘建红2 陆强3吕仲贤2，*

doi:10.3969/j.issn.10017216.2011.06.013

中国水稻科学 >

2011 , Vol. 25 >Issue 6: 654 - 658

DOI: https://doi.org/10.3969/j.issn.10017216.2011.06.013

研究报告

水稻黑条矮缩病毒对非介体稻飞虱——白背飞虱适应性的影响

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¹ 南京农业大学植物保护学院, 江苏南京 210095； ²浙江省农业科学院植物保护与微生物研究所，浙江杭州 310021； ³ 嘉兴市农业科学研究院, 浙江嘉兴 314016；

收稿日期: 2011-05-25

修回日期: 2011-09-19

网络出版日期: 2011-11-10

基金资助

国家 973计划资助项目（2010CB126200）; 国家公益性行业（农业）科研专项资助项目（200903051，201003031）。

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Effects of Rice Black Streaked Dwarf Virus on Ecological Fitness of NonVector Planthopper, Sogatella fucifera

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¹ Department of Plant Protection, Nanjing Agricultural University, Nanjing 210095, China; ² Institute of Plant Protection and Microbiology, Zhejiang Academy of Agricultural Sciences, Hangzhou 310021, China; ³ Jiaxing Academy of Agricultural Science, Jiaxing 314016, China;

Received date: 2011-05-25

Revised date: 2011-09-19

Online published: 2011-11-10

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摘要

为明确水稻感染病毒病后对非介体稻飞虱的影响，在室内研究了水稻感染黑条矮缩病病毒后对白背飞虱的生态适应性及其体内相关的保护酶和解毒酶活性的影响。结果表明，在感染病毒水稻植株上取食对白背飞虱若虫存活率、发育历期、成虫性比、雌成虫体质量、产卵量和卵孵化率等影响不显著，但雌成虫寿命和卵历期显著缩短。取食感病稻株的成虫体内保护酶(CAT、SOD和POD)和解毒酶(AchE、 GST和CAE)的活性均显著增强。结果证明水稻感染黑条矮缩病病毒后非介体白背飞虱的适应性提高。

关键词： 水稻; 黑条矮缩病毒; 白背飞虱; 生态适应性

本文引用格式

何晓婵1,2徐红星2郑许松2杨亚军2高广春2潘建红2 陆强3吕仲贤2，* . 水稻黑条矮缩病毒对非介体稻飞虱——白背飞虱适应性的影响[J]. 中国水稻科学, 2011 , 25(6) : 654 -658 . DOI: 10.3969/j.issn.10017216.2011.06.013

Abstract

Rice black streak dwarf virus (RBSDV) transmitted by the small brown planthopper (SBPH), Laodelphax striatellus (Fallen), causes rice yield loss in east China. The whitebacked planthopper (WBPH), Sogatella fucifera (Horváth), a nonvector of RBSDV, usually shares the host rice plants with SBPH. We evaluated the effects of RBSDVinfested rice plants on the ecological fitness and relevant defense and detoxification enzymes of WBPH in laboratory for exploring the relationship between RBSDV and the nonvector insect. The results showed that the nymph survival rate, sex ratio, female adult weight and fecundity, and egg hatchability of WBPH fed on RBSDVinfested rice plants did not markedly differ from those on healthy plants, whereas the adult longevity and egg duration were significantly shortened. Furthermore, the activities of defense enzymes (CAT, SOD and POD) and detoxification enzymes (AchE，GST and CAE) were significantly enhanced in WBPH adults fed on infected plants. Results implied that infestation by RBSDV improved the ecological fitness of the nonvector planthopper.

Key words： rice; black streaked dwarf virus; Sogatella fucifera;ecological fitness

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