油茶低产林改造区主要害虫综合治理研究  

Integrated Control of the Main Pests in an Improved Area of Low-yield Plantation of Camellia oleifera Abel.

作　　者：王问学[1] 莫建初[1] 李丁权[1] 李益辉[1] 胡求凡 张才学[1] 朱志亨 刘瑜 郭培德 

机构地区：[1]中南林学院林学系,湖南省林业厅营林局,湖南省常宁县林业局,湖南省耒阳市林业局

出　　处：《中南林学院学报》1995年第2期136-143,共8页Journal of Central South Forestry University

摘　　要：根据油茶低产林改造区油茶生长的特点和食叶害虫危害是低改区油茶生产主要威胁的实际情况，开展了失叶危害对油茶生长和茶油产量的影响、食叶害虫动态经济阈值和害虫综合治理的研究．首次揭示了少量失叶（＜５％）和轻度失叶可出现超补偿和补偿的现象，以及随后失叶越多，损失越重的规律．同时，依据受害程度与产量损失的关系，建立了食叶害虫危害的动态经济阈值模型．在总结现有研究成果的基础上，提出了油茶主要害虫的综合治理措施．According to the growth characteristic of low-yield oil-tea plantation and the actual situation that defoliators are the main menace to oil-tea production,studies are made of the effect of leave loss on the growth and output of oil-tea,of the dynamic economic threshold of defoliators,and of the integrated pest-control in the area.It has been found for the first time that when a small amount of leaves is lost(<5%),hypercompensation will occur;and when a certain amount of leaves lost(≤30%),growth compensation will occur;but when a considerable amount of leaves lost(>30%),the oiltea tree will be damaged;and the more the loss of leaves is,the more serious the damage will be.Meantime,the dynamic economic threshold model of defoliator endangerment has been established on the basis of the relationship between harm degree and output loss.From the Summing-up of the research outcome,the measures for integrated pest-control in oil-tea plantation are put forward.

关 键 词：油茶 害虫调查 食叶害虫 综合防治 

分 类 号：S763.744[农业科学—森林保护学]