论文部分内容阅读
日本三重县的深津孝次先生主要栽培大棚西红柿和黄瓜,多年来试验利用天敌灭虫,颇有成效。 深津先生的大棚周围,北侧和西侧是夹道林带,南例是土堤,东侧是旱田。大棚地基附近栽种着香草、三叶草、艾蒿等,还有些常绿树。在大棚周围这些植物中.栖居、增殖着瓢虫等天敌,捕食欲侵入大棚或大棚内发生的害虫。大棚周围的植物带,是养蓄天敌的重要基地。 1995年秋,发生了严重的豆潜蝇虫灾,栽培的小型西红柿几乎全部被吃光。当时.紧急引进寄生蜂放入大棚内。
Japan’s Mie Prefecture Mr. Takatsu Hsien mainly cultivated greenhouse tomatoes and cucumbers, pests for many years to test the use of natural enemies, quite fruitful. Around Mr. Shenjin’s greenhouses, the north and west are clinging belts, the southern one is the embankment and the east is the dry land. Greenhouses near the foundation planted with herbs, clover, mugwort, etc., but also some evergreen trees. Around these greenhouses, these plants inhabit and proliferate predators such as ladybugs, hunting pests that invade greenhouses or sheds. Plants around the green belt, is an important base for saving natural enemies. The autumn of 1995, a serious pest insects occurred, cultivation of small tomatoes are almost all eaten. At that time, the emergency introduction of parasitic wasps into the greenhouse.