【摘要】 【目的】为了有效控制通草粉虱对油梨的危害。【方法】实地调查南宁市周边地区通草粉虱的发生情况、形态特征、生活习性。【结果】危害株率在50%以上,危害叶率65%左右,平均单叶有虫35~69头,且其排泄物诱发煤烟的病叶率在35%以上,危害面积达9公顷,每年损失在10%~15%左右。【防治方法】农业防治:讲究建园选址,种植要合理,强化修剪和冬季清园,适当除草与生草;生物防治;物理防治:在通草粉虱发生的果园悬挂黄板;化学防治:适时施药,科学用药。更多还原

【Abstract】 【Objective】In order to effectively control akebia whitefly to the harm of avocados.【Method】Conducted field survey the akebia whitefly of happening situation,morphological characteristics and living habitsin Nanning surrounding areas.【Results】The percentage of damaged trees is over 50%, the rateof hazards leaf is about 65%, the average number of akebia whiteflyis 35 ~ 69 per leaf, and therateof waste induced soot disease leaves is above 35% and hazard area of 9 ha, losing around 10% ~ 15% per year.【Control method】Agricultural prevention and treatment: selecting suitable sitelocation, reasonableplanting, prune fruit trees and orchard cleaning,appropriate weed and grass,biological control;Physical prevention and treatment:hung in yellow sticky trapsin orchard;Chemical control: timely delivery mechanism, scientific and medical treatment.更多还原