蚜虫是一种非常小的软体昆虫。它们通常是绿色或者黑色的,大概1/10英寸长。这种虫子可以长出翅膀并飞到其它植物上,如果它们过于拥挤。它们通常是很大一群的出现。因为吸吮枝叶的树液,它们对植物造成损坏,并能传播疾病。蚜虫以多种植物为食。阅读本文了解如何驱除蚜虫。
步骤
方法 1 的 2:
识别蚜虫
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1
寻找植物上的蜜汁,也就是昆虫分泌出来的糖分物质。这个东西会看上去是黑色的,或者像真菌,或者像发霉物。
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2
寻找发黄或者弯曲的叶子。
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3
寻找植物上结的小块。
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4
检查叶子的背面,虫子比较喜欢待在那。你可能会发现一些小昆虫。
方法 2 的 2:
驱除蚜虫
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1
把它们从植物上挑掉,或者用块布把它们擦掉。
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2
剪掉整个受损植物的部分,摧毁它们寄居的整个地方。
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3
用冷水喷淋植物,一定要喷到叶子的背面。关注嫩植物,蚜虫喜欢那里。每隔两三天喷一次。
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4
早上太阳不是很强烈,还有不下雨的时候,用手持喷桶喷淋受感染植物,
- 配方如下。
- 8杯温水
- 1/2 杯植物油
- 6-8滴洗洁精(不要太多,否则会烧伤叶子)
- 放入一点辣椒胡椒粉。
- 摇匀,并每周都要喷淋受感染植物。
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5
使用有机喷淋。有一个例子是用1/4杯的姜戎混合1杯的温水。浸泡2个小时,摇匀,然后喷淋到植物上。
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6
使用瓢虫或者寄生黄蜂。这些虫子以蚜虫为食,而且可以在网上买到。注意不要用广谱杀虫剂,否则会杀死对花园有用的益虫。
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7
在花园里种能引来瓢虫的植物。这包括庭荠、旱金莲、萝卜、万寿菊、莳萝、香菜、芥末和韭菜。
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8
种生姜,蚜虫不喜欢生姜浓烈的味道,对遏制蚜虫很有用。
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9
使用灭蚜虫剂。用这个的时候要当心,因为对你自己、儿童和动物都可能有毒。
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10
消灭蚂蚁。蚂蚁可以杀死以蚜虫为食的昆虫,所以在你的植物周围灭蚁很有用。
小提示
- 细心关注你的植物,一驱除蚜虫后要注意再度出现蚜虫。
- 要认识到你种的植物可能招来蚜虫。这些植物包括大丽花、紫苑和秋海棠。如果你一定要种这些植物,把它们种在离你要保护的植物远点的地方。
- 洋葱和其它气味浓烈的植物可以种在你要保护的植物边上。
警告
- 挑掉蚜虫的时候要带手套。它们会造成皮肤敏感,还能刺痛双手。