每年入夏以后,桔园病虫害大量发生,应及时进行防治,其主要病虫及防治技术作如下介绍。 锈壁虱 7—9月高温干旱天气盛发,刺吸果实、叶片汁液,使果实表面油胞破裂,油脂外溢,经空气氧化变成褐色至污黑色,果农称之为“油炸砣”。防治:20％达蟥酮2000—3000倍液,或73％克螨特3000—4000倍液,或20％克螨灵2000倍 After entering the summer each year, a large number of orange orchard pests and diseases occur, should be timely prevention and control, and its main pests and diseases prevention and control technology as follows. 7-9 months of high temperature and rust rust tick thorn fruit sucking fruit, leaf juice, so that the fruit surface rupture of oil cells, spill oil, the air becomes brown oxide black to dirty black, fruit growers call it “deep fried.” Prevention and treatment: 20% of ketanserin 2000-3000 times, or 73% of propargite 3000-4000 times, or 20% grams of mites Ling 2000 times