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首页> 外文期刊>Gesunde Pflanzen >The effect of linseed oil on rose scale Aulacaspis rosae (Bouche) (Hemiptera: Diaspididae) in greenhouse grown rose crops as an alternative pest management strategy. [German]Original Title Alternative Bekampfungsstrategien gegen die Kleine Weisse Rosenschildlaus Aulacaspis rosae (Bouche) (Hemiptera: Diaspididae) an Schnittrosen unter Glas mittels dem Einsatz von Leinol.
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The effect of linseed oil on rose scale Aulacaspis rosae (Bouche) (Hemiptera: Diaspididae) in greenhouse grown rose crops as an alternative pest management strategy. [German]Original Title Alternative Bekampfungsstrategien gegen die Kleine Weisse Rosenschildlaus Aulacaspis rosae (Bouche) (Hemiptera: Diaspididae) an Schnittrosen unter Glas mittels dem Einsatz von Leinol.

机译：亚麻籽油对温室种植的玫瑰作物中玫瑰鳞形玫瑰茄（Bouche）（半翅目：Dia科）的影响是一种替代性害虫管理策略。 [德语]原标题用亚麻籽油在玻璃下切碎的玫瑰上对小白玫瑰扇贝玫瑰红（Bouche）（半翅目：Dia科）的替代控制策略。

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The rose scale Aulacaspis rosae has proven to be extremely difficult to control. For some years Hamburg flower producers have reported an increase in infestations in greenhouse grown rose crops. So far no pest management program, including natural, mechanical and chemical methods, have provided effective control. The rose scale feeds on parenchyma plant sap and is mainly found on the woody parts of roses. Under greenhouse conditions several generations may appear in a single year. Contact insecticides do not penetrate the protective covering of the scale insects and are most effective when applied on young larvae stages which are not protected by the shield-like cover yet. However due to long hatching periods the occurance of larvae overlaps with the hatching of the following generation. The outcome of this is a continuous presence of newly emerged larvae on the plants. Resulting in that pesticides need to be frequently applied which is both time consuming and impractical for the gardeners. Another problem is the limited coverage of the infested plant parts when pesticides get sprayed. The scale insects are well protected by both the leafage of the roses and also they tend to crowd together and stack in layers making it harder for contact pesticides to be effective. Systemic insecticides may be effective only on those scales infesting the leaves or those that are actively producing honeydew and showed no sufficient efficacy in practical usage against the rose scale. By searching for an adequate pest management method, linseed oil was tested as an alternative application agent. Linseed oil is a drying oil and polymerizes into a solid form by reacting with oxygen in air. Treatments on permanent rose crops infested by rose scales could decrease the occurance of larvae in a knock-down effect. Newly emerged larvae could be kept sustainably on a low infestation level. The results are showing a promising pest control with good efficacy.
机译：玫瑰红玫瑰茄已被证明极难控制。几年来，汉堡花卉生产商报告说温室种植的玫瑰作物的侵扰有所增加。迄今为止，尚无有效的控制措施，包括自然，机械和化学方法在内的有害生物管理计划。玫瑰鳞以薄壁植物的汁液为食，主要存在于玫瑰的木质部分。在温室条件下，一年中可能会出现几代人。接触式杀虫剂不会渗透到鳞片昆虫的保护层中，并且最有效的方法是将其应用于尚未被盾状覆盖物保护的幼虫阶段。但是，由于长期孵化，幼虫的出现与后代的孵化重叠。其结果是在植物上连续存在新出现的幼虫。结果，需要经常使用农药，这对于园丁来说既费时又不切实际。另一个问题是喷洒农药时受侵染的植物部位的覆盖范围有限。玫瑰花的叶子可以很好地保护鳞虫，而且它们往往会聚集在一起并分层堆积，使接触性农药更难有效。内吸性杀虫剂可能仅在侵害叶子的那些鳞片上有效，或者在活跃产生甘露的鳞片上有效，并且在实际使用中对玫瑰鳞片没有足够的功效。通过寻找适当的害虫处理方法，对亚麻籽油作为替代施用剂进行了测试。亚麻籽油是干燥油，通过与空气中的氧气反应聚合成固体形式。对受玫瑰鳞污染的永久性玫瑰作物的处理可以减少幼虫的发生，从而降低敲除效果。新出现的幼虫可以在低侵染水平下持续保持。结果显示了具有良好功效的有希望的害虫防治。

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