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棉铃虫在果树上的发生为害规律与防治对策研究刘晔，王范亭，刘明（山东省莱西市果树站２６６６００）近几年来，棉铃虫对果树危害程度越来越严重，当前已经成为胶东地区主要果树害虫之一，极大地影响了树体的正常发育及果品的产量与质量。据调查，防治不利的园片，果实被...
Study on Occurrence and Control of Cotton Bollworm in Fruit Tree LIU Ye, WANG Fan-ting, LIU Ming (Fruit Station of Lacey, Shandong 266600) In recent years, the damage degree of cotton bollworm to fruit trees is more and more serious, One of the major fruit tree pests, has greatly affected the normal development of tree and fruit yield and quality. According to the survey, prevention and treatment of adverse disk, the fruit is ...