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一、本省果树病虫发生的基本情况本省果树种类繁多,有热带、亚热带、温带等果树20多种,根据历年累积材料统计:果树遭受真菌、细菌、病毒类型、线虫和生理性引起的病害有190多种,害虫有300种以上。从本省柑桔、龙眼、荔枝、香蕉、枇杷和凤梨六大果树的病虫统计,常年出现的病害有37种,虫害有54种,以柑桔病虫种类最多,其次是枇杷、龙眼、荔枝和香蕉、凤梨病虫最少。柑桔
First, the basic situation of fruit pests in the province A wide range of fruit trees in our province, tropical, subtropical, temperate and more than 20 kinds of fruit trees, according to the cumulative material statistics over the years: fruit trees suffer from fungi, bacteria, viruses, nematodes and physiological diseases 190 kinds, pests have more than 300 kinds. According to the pest statistics of the six fruit trees of citrus, longan, litchi, banana, loquat and pineapple in our province, there are 37 perennial diseases, 54 pests, citrus pests and diseases, followed by loquat, longan and lychee And bananas, pineapple pests at least. Citrus