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首页> 外文期刊>Journal of Medical Entomology >Comparative Applications of Azadirachtin- and Brevibacillus laterosporus-Based Formulations for House Fly Management Experiments in Dairy Farms
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Comparative Applications of Azadirachtin- and Brevibacillus laterosporus-Based Formulations for House Fly Management Experiments in Dairy Farms

机译：印A素和短孢芽孢杆菌为基础的配方在奶牛场家蝇管理实验中的比较应用

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摘要

The potential of two bioinsecticidal formulations containing Brevibacillus laterosporus spores and azadirachtin, respectively, was assayed in laboratory and in comparative field treatments for the management of immature house flies on dairy farms. As already known for B. laterosporus, preliminary laboratory experiments with azadirachtin evidenced a concentration-dependent effect. Azadirachtin median lethal concentration (LC50) value determined for second instar larvae was 24.5 mu mu g/g diet. Applications in dairy farms were performed at dosages and concentrations predetermined in laboratory experiments, to employ the two formulations at an equal insecticidal potential. Repeated applications on the cow pen caused a significant fly development depression in areas treated with azadirachtin (63%) and B. laterosporus (46%), compared with the control. Formulations were applied at a dosage of 3 liters/m2, and concentrations of 2 108
机译：分别在实验室和比较田间处理中测定了两种分别含有红孢短孢子孢子和印formulation素的生物杀虫剂的潜力，以管理奶牛场中不成熟的家蝇。如已经知道的B. Laterosporus，用印za素进行的初步实验室实验证明了其浓度依赖性作用。测定的第二龄幼虫的印za素的中位致死浓度（LC50）值为24.5μg/ g日粮。以实验室实验中预先确定的剂量和浓度在奶牛场中进行应用，以在相同的杀虫潜力下使用两种配方。与对照相比，在用印dir素（63％）和新孢子虫（B.lateosporus）（46％）处理的区域，在牛栏上重复施用会导致明显的苍蝇发育抑制。制剂的剂量为3升/平方米，浓度为2108

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