灰飞虱种群暴发成灾原因剖析
Outbreak reasons of Laodelphax striatellus population.
刘向东1;翟保平1;刘慈明2
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DOI:
作者单位:1.南京农业大学植保学院 南京 210095; 2.湖南安乡县农业局 常德 415600
中文关键词:灰飞虱, 种群暴发, 成灾原因
英文关键词:Laodelphax striatellus; population outbreak; reasons of outbreak
中文摘要:灰飞虱Laodelphax striatellus(Fallén)作为多种植物病毒病的传毒介体,近年来发生数量呈逐年锐增态势,给水稻生产造成了严重的损失。研究表明,灰飞虱种群的暴发有其生理生态基础。种群具有的强抗逆能力和多态现象增加了种群在各种环境条件下的存活机会;体内共生菌
英文摘要:As the most important vector of some plant virus transmission, the populations of small brown planthoppers (SBPH), Laodelphax striatellus, were trended to increase in recent years, and it caused serious damage to rice plant. There are some physiolo