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近年来,蓬莱市露地番茄,受白星花、蒙古丽金龟子成虫和棉铃虫危害逐年加重。金龟子群居于果实上有的一个番茄有几十头甚至达百头。最后造成烂果,受害果率达40%以上,重者达60%～70%。棉铃虫钻蛀果实危害导致烂果。采用套袋技术能有效地防治金龟子和棉铃虫的危害。并能预防脐腐病、早疫病、晚疫病等果实病害,避免烂果。同时,套袋番茄表光好,果皮鲜嫩,色泽艳丽,商品价值高。 1.袋的标准根据不同品种果型大小和留果多少,选用30 cm×20cm或35cm×30cm,透光率高,耐湿性强的白色普通纸袋。
In recent years, Penglai City, open tomato, by the white star flower, Mongolia beetle adult and bollworm hazards increased year by year. There are dozens or even hundred of a tomato that the beetles live in. Finally, rotten fruit, fruit damage rate of 40% or more, severe cases of up to 60% to 70%. Bollworm drowning fruit damage caused by rotten fruit. The use of bagging technology can effectively control the damage of chafer and bollworm. And can prevent umbilical rot, early blight, late blight and other fruit disease, avoid rotten fruit. At the same time, bagging tomato table light, peel fresh, bright color, high value of the goods. 1. Standard bags Depending on the type of fruit of different varieties and how much to stay fruit, use 30 cm × 20cm or 35cm × 30cm, high light transmittance, moisture-resistant white plain paper bag.