家养盆花主要遭受蚜虫、介壳虫、红蜘蛛、线虫四大害虫的危害,影响花卉生长和观赏,须注意及时防治。 蚜虫 为杂食性害虫,种类多,几乎危害所有的花卉。它主要用针状口器刺入花木嫩茎叶吸取汁液,受害枝叶变色、卷曲、皱缩、有虫瘿,还传播病害,受害重者枝枯叶落甚至死亡。防治最好用花卉专用药剂灭蚜净,每2克加水400毫升喷洒,喷后4小时 Domestic potted flowers mainly suffer from aphids, scale insects, spider mites, nematodes, the four pests, the impact of flower growth and ornamental, should pay attention to timely control. Aphids are omnivorous pests, many species, almost all the flowers endanger. It is mainly acupuncture mouth piercing flower tender stems and leaves to absorb juice, affected leaves discoloration, curling, shrinking, there are insects, but also spread disease, victims of heavy dead leaves fall or even die. Prevention and treatment is best to use aphid-specific drugs off the net, add 400 ml of water per 2 grams spray, spray 4 hours