机构地区: 汕头市林业科学研究所
出 处: 《广东林业科技》 2004年第4期21-22,26,共3页
摘 要: 橄榄星室木虱在林间 1年发生 6代 ,形成 2~ 3个危害峰 ;在苗圃 1年发生 8代 ,形成 4~ 5个危害峰。其发生及消长受橄榄的抽梢次数、气候条件、天敌种类、寄主品种等因素影响。橄榄抽梢次数多且不整齐 ,是造成害虫防治困难的主要原因。 In this paper, the occurrence dynamics of Pseudophaco pt eron canarium in forestry and nursery was reported. The factors affect dynamic s of pests including pullulation, climate, natural enemies and host species, th e confusion of pullulation is a key factor that makes controlling the pests diff icult.