香蕉抽蕾前后常常受到香蕉花蓟马、叶斑病、黑星病、炭疽病等病虫为害,致使香蕉产量下降、外观质量差、品质变劣,失去商品价值。因此,在香蕉蕾期应要加强防治病虫害,确保蕉果的高产优质高效。现将香蕉蕾期主要病虫害的防治方法介绍如下。1.花蓟马。主要为害花蕾苞内的子房和小果,造成小黑点状伤痕斑点,随着蕉果的膨大,斑点也逐渐增大,影响果实外观。防治时,应掌握在蕉蕾抽出后,用5000倍液阿克泰或3500倍液吡虫啉等杀虫剂,统一用药均匀喷洒一次蕉株的叶片、叶柄、似茎及蕉蕾。花蕾苞片开始张开时,每隔5-7天喷药1次,直至香蕉断蕾。2.叶斑病。主要危害香蕉叶片,病重叶片自下而上枯死。近来因受台风暴雨影响,蕉园湿度大, Before and after the banana buds are often affected by banana flower thrips, leaf spot, scab, anthracnose and other pests damage, resulting in decreased banana production, poor quality, poor quality, loss of commodity value. Therefore, in the bud of banana should strengthen the prevention and control of pests and diseases, to ensure the high yield of banana fruit quality and efficiency. Now the main pest and disease prevention and treatment of banana bud stage are as follows. Flower thrips The main damage buds in the ovary and small fruit, resulting in small spots of black spots, with the enlargement of banana, the spots also gradually increased, affecting the appearance of the fruit. Prevention and control should be grasped in the banana buds after the use of 5000 times the solution of acetophenone or 3500 times imidacloprid and other insecticides uniformly sprayed once uniform banana plant leaves, petioles, like stems and banana buds. Buds bracts began to open, every 5-7 days spray 1, until the banana cut Lei. Leaf spot disease The main damage to banana leaves, sick leaves from the bottom up dead. Due to typhoon torrential rain recently, banana garden humidity,