柑桔锈壁虱又称柑桔刺叶瘿螨、牛皮柑、黑炭丸等。以成、若螨群集于叶、果和嫩梢上，吸食汁液。引起落叶，果色黑褐，果皮粗糙，果面布满龟裂状纹，使柑桔产量下降，品质低劣。其综合防治技术如下：１．农业防治：土壤贫瘠的柑桔园，要增施有机肥，以改善土壤性状，增强树... Citrus rusty tick also known as citrus leaves spider mite, citrus, black charcoal pills. To become, if mites clustered in leaves, fruits and tender shoots, drink juice. Caused by deciduous, dark brown fruit, rough skin, fruit covered with cracked grain, the decline in citrus production, poor quality. Its comprehensive prevention and cure technology is as follows: 1. Agricultural control: barren citrus orchard, to increase organic fertilizer, to improve soil properties, enhance the tree ...