豫南栗实象甲的栽培防治法研究

Study on the Cultivation-Prevention Method of Curculio denlipes Roelots in South Henan

栗实象甲在豫南地区的平均为害率已达８２．５％。我们运用栽培防治法，即有针对性的进行施肥、注意搞好清洁田园工作、注重改良根际土壤、监测树冠垂直投影下的土壤墒情、合理确定树体负载量、结合冬剪消灭虫源六项措施，在豫南的４个具有代表性的板栗园试验了两个周期年（６年），显示：此法能在省工省时的同时达到快速、高效根除此虫的目的。

Curculio denlipes Roelots have brought damage to 82.5 percent of the whole area in south Henan. We have experimented for two periods (six years) on the representative four chestnut plantations in south Henan area in south Henan.By using cultivation prevention method with consists of six parts.ie,adding specific fertilizer to speafic trees,Reinfercing orchard clean, improving on the quality of the soil around the tree′s roots,studying the humidity of the soil which is projecded vertically by the trees tops,making sure of the tree′s load ,rilling the origin of the pest with pruning branches in winter.The results obtained show that the method Can get rid of the Curculio denlipes Roelots efficiently.Meanwhile,the time and labor is saved.