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二化螟又叫水稻钻心虫。它以幼虫为害水稻,一代幼虫蛀茎可造成枯心苗,二代幼虫蛀茎可造成水稻白穗。1964年在东沟县前阳公社新安大队稻田零星发生过二化螟。十多年来已有扩展,丹东稻区都有程度不同的发生为害。据1978年9月在东沟县调查,二化螟为
Chilo suppressalis is also called rice borer. It larvae damage rice, a generation of larvae can cause stem borers, the second generation larvae can cause rice stem sparse white ear. In 1964 in Donggou County before the Xin’an Brigade commune rice field sporadic occurred Chilo suppressalis. Over the past decade or so have been expanded, Dandong rice areas have varying degrees of harm. According to a survey conducted in Donggou County in September 1978, the second generation of striped borer was used