桃源三化螟和二化螟生态分布及其演替原因探讨
Distribution, spread and causes of outbreaks of Chilo suppressalis and Tryporyza incertulas in Taoyuan County.
熊彬;文承志
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DOI：
作者单位：湖南省桃源县植保植检站,桃源415700
中文关键词：三化螟;二化螟;分布;演替原因
英文关键词：Tryporyza incertulas(Walker);Chilo suppressalis(Walker);distribution ; spread and causes of outbreaks
中文摘要：对湖南省桃源县 1950年至 2000年二化螟Chilosuppressalis(Walker)、三化螟Tryporyzaincertulas(Walker)发生动态、演替规律及其变化原因进行了分析 ,认为耕作制度的变革是引起螟虫分布演替的根本原因 ,二化螟、三化螟各自的生物学特性是引起其种群分布演替的内
英文摘要：There are several reasons for the distribution, spread and outbreaks of the rice borer，the primary one being the reformation of the cultivation sys tem. Another important reason is preliminary chemical treatment.