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看到有筒子抱怨西红柿长虫，不妨试试Companion Planting，就是利用各种植物本身的特性搭配种植以达到驱虫的效果。Google “Companion Planting”。 这还是今年一个邻居告诉我的。
我家去年种了几株西红柿，药喷了不少，最后还是被虫吃了。今年种了几株marigold在西红柿周围，一只虫子也没有（除了后来来的grasshopper）。以下是WIki上对marigold的描述，链接http://en.wikipedia.org/wiki/List_of_companion_plants
Marigold：
Helps: most plants, especially tomatoes and peppers, cucurbits (cucumbers, gourds, squash), brassicas (broccoli, kale, cabbage)
Repels / Distracts: nematodes, beet leaf hoppers, other pests
Marigolds are a wonder-drug of the companion plant world, invoking the saying "plant them everywhere in your garden". French marigolds produce a pesticidal chemical from their roots, so strong it lasts years after they are gone. Mexican marigolds do the same, but are so strong they will inhibit the growth of some more tender herbs. Certain Varieties of marigolds (Tagetes) can help manage eelworms (Root-knot nematode) when planted the year before [1].
Tagetes has also been found effective against perennial weeds such as Ranunculus ficaria (Celandine), Aegopodium podagraria (Ground elder), Glechoma hederacea (Ground ivy), Agropyron repens (Couch grass), Convolvulus arvensis (Field bindweed), Equisetum arvense (Field/Common Horsetail) and other 'starchy' weeds.
Bunnings/Masters 里面买marigold的种子种就好了，一包里面很多种子，发芽率高，长的也快。比喷药便宜还环保。
缺点:marigold的花味道不太好闻，可能很多人不喜欢。不过种在院子里面闻不到。
除了marigold，我还尝试了种broccoli在长豆角底下（吸引虫子吃broccoli），broccoli本身叶子上面有很多小虫子，豆角叶子上面没有，broccoli 的叶子长的快，够虫子吃的。 |
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别具风味的啤酒鸭.香就一个字~ (2010-5-30) 游牧人 
发表于 2012-1-12 21:33
