大棚蔬菜白粉虱的防治

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白粉虱主要危害日光温室,因其个体小(仅1~1.5毫米),易忽视,并可传播病毒病。它群居于西红柿、黄瓜、茄子等蔬菜作物叶片下面,触动叶片则成群飞舞。幼虫伏在叶背面不动,卵如粉末状,一年中可繁殖10多代,危害极为严重,它分泌排泄出大量蜜露,造成叶片果实“煤污”状污染,使果实品质下降。综合防治方法: Whitefly major damage to solar greenhouse, because of its small individual (only 1 to 1.5 mm), easily overlooked and can spread viral diseases. It is a group of tomatoes, cucumbers, eggplant and other vegetable crops under the leaves, touch the leaves are flying in groups. The larvae are not moving on the back of the leaf. The eggs are powdery and can multiply more than 10 generations in a year. The damage is extremely serious. It secretes a large amount of honeydew and excretes a large amount of honeydew, resulting in “coal pollution” pollution of the leaf fruits, which reduces the quality of the fruit. Comprehensive prevention and treatment methods:
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