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潜叶蝇的无公害防治法

 

 

 

潜叶蝇的无公害防治法

作者:招财猫

 

潜蝇成虫用产卵器把卵产在叶中,孵化后的幼虫在叶片上、下表皮之间潜食叶肉,嗜食中肋、叶脉,食叶成透明空斑,造成幼苗枯死,破坏性极大。该虫幼虫常沿叶脉形成潜道,幼虫还取食叶片下层的海绵组织,从叶面看潜道常不完

 

潜叶蝇生长速度极快,据说从幼虫到成虫只需一个星期。

 

 

笔者首先尝试简单环保方式一:

 

就近观察受害页面。若幼虫较小则不易发现,将页面对着光线方向,则可发现其身影。戴手套,用手捏方式将其处死。 受害页面若为美观,可将受害部分剪去。若不然,则可保留,味受害部分可继续接受光合作用。

 

网上搜来家庭自制药方,若有兴趣大家可参考:

 

Take a shallow jar and place two cotton balls at the bottom. Cover with vanilla extract (about 4 tbsp). Then place the torn off leaves of fresh mint and sage over the cotton balls. Seal with cheesecloth by screwing the lid over it. Now you have your natural fly repellant. I placed a few of these jars near baskets of ripe fruit (and my compost bucket) and have had excellent results. The reason is flies don’t like strong, aromatic scents and sweetness. So the combination of vanilla, mint, and sage produce the perfect repelling concoction. The jar lasts about a week before going bad, so be sure to replace them weekly.

 

若想效果更快,防治更彻底,建议拿受害页面去各大苗圃询问。

 

 

(图片来自网络/pictures from internet

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