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I think you have to buy and spray some worm killer. Check Rona or Hope Depot. $ }/ K) O( A& n. { Y) m6 L
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BTW, wher you buy your green grape?
原帖由 Resonant 于 2006-6-7 12:04 发表 3 x* u" a; P8 c . i5 m5 |& j2 J1 R) o! S9 y; D# U
I think you have to buy and spray some worm killer. Check Rona or Hope Depot. + c$ W. P8 s8 b" P" d2 }! a' D$ S# P
BTW, wher you buy your green grape?
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Thank you. I bought it on May 22nd.
现在就要打药预防,也就是新叶子刚发出来的时候。 ( U/ B& s) Q% k' T2 J" C5 l一般杀鳞翅目害虫的农药都可以。, K# [2 U! t9 w1 P
英文名字我不知道,我在这里没有买农药的经验。3 n/ h3 v A3 _* C1 r
如果你的树小,能够的着的话,找出来掐死,是个好方法。 E1 Z2 o( x U, X3 F
但你要经常观察,经常掐。因为他们的产卵期不集中。