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春季是柑桔抽梢开花的季节,也是大多数病虫发生危害的盛期。应防治的主要病虫有:流胶病、脚腐病、炭疽病和疮痂病、花蕾蛆、红、黄蜘蛛、蚜虫,矢尖蚧、吹绵蚧、红蜡蚧、天牛和吉丁虫等。防治病害:①在开花前后各喷一次50％代森铵800倍液或0.3比0.3比100(硫酸铜:生石灰:水)的波尔多液,防治炭疽病和疮痂病;②在4月份彻底刮除流胶病与脚腐病患病处的树皮,并用利刀深纵刻患处周围树皮约0.5厘米宽达木质部,刻线相距0.3厘米,再涂药保护,可选用:1比1比10波尔多浆,或50％托布津
Spring is the season when citrus shoots flowering and also endanger most pests. The main pests that should be prevented and controlled are: Silicosis, foot rot, anthracnose and scab, buds maggot, red, yellow spider, aphid, arrowhead scale, blow moss, red wax scale, Wait. Prevention and treatment of diseases: ① spray before and after flowering of a 50% ammonium titanate 800 times 0.3 or 0.3 0.3 than 100 (copper sulfate: quicklime: water) Bordeaux mixture, prevention and treatment of anthracnose and scab disease; Silicosis and foot rot at the diseased bark, and use the knife deep longitudinal engraved around the bark of the affected area about 0.5 cm wide xylem, engraved lines 0.3 cm away, and then coated with drug protection, optional: 1 to 1 to 10 Bordeaux pulp, or 50% Topaz