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f*******h
发帖数: 1269 | 1 玫瑰花基本被Japanese beetles一扫光。
怎么杀，也杀不完。
准备放弃种玫瑰了。。。
无奈啊！ | j*****i
发帖数: 90 | 2 I used this a few years ago to get them under control!
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Milky spore powder is a naturally occurring microscopic bacteria that kills
Japanese beetle grubs before they can grow into ravenous adults. It is a
long term solution because it survives winter temperatures. The milky spore
population increases each year, reaching peak effectiveness about three
years after application and lasts ten years or more. For use in lawns,
garden and around the home. Treat 2500 square feet area. Safe to use around
water ways. Organic and ready to use. Available in 10-ounce shaker. Keep out
of reach of children.
玫瑰花基本被Japanese beetles一扫光。怎么杀，也杀不完。准备放弃种玫瑰了。。。
无奈啊！
【在 f*******h 的大作中提到】
: 玫瑰花基本被Japanese beetles一扫光。
: 怎么杀，也杀不完。
: 准备放弃种玫瑰了。。。
: 无奈啊！
| f******y
发帖数: 645 | 3 今天我也发现我的小玫瑰上好多蚜虫养的东西，于是拿了喷flee的药一阵狂喷，现在叶
子出现麻点了，希望玫瑰不会被喷死 |
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