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首页> 外文期刊>Plant Protection Science >Efficacy of biological formulations against Neoglocianus maculaalba and Dasineura papaveris in Papaver somniferum
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Efficacy of biological formulations against Neoglocianus maculaalba and Dasineura papaveris in Papaver somniferum

机译：生物制剂对罂粟中新斑球菌和黄粉虫的功效

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摘要

The effectiveness of selected insecticides against capsule weevils (Neoglocianus maculaalba) and capsule midges (Dasineura papaveris), which are the main pests of breadseed poppy, was verified in a small-plot field experiment in 2015–2017. The effect of foliar application was evaluated according to boreholes on capsule surfaces caused by the feeding of capsule weevil adults and larvae numbers in capsules collected approximately 4 weeks after application. Biological efficacy of the tested biological formulations Spintor (active ingredient spinosad 240 g/l) in dosage 0.4 l/ha and NeemAzal T/S (active ingredient azadirachtin A 10.6 g/l) in dosage 3?l/ha against N. maculaalba larvae in individual years of monitoring ranged from 46.4% to 77.7% and from 67.7% to 82.9%, respectively. The effect of the formulation Prev B2 (boron ethanolamine corresponding to 2.1% of water-soluble boron) in 0.3% dosage was in the range of 59.5–81.9%. Their efficacy did not differ significantly compared to the registered chemical standards Biscaya 240 OD (active ingredient thiacloprid 240 g/l) and Decis Mega (active ingredient deltamethrin 50 g/l). Therefore, these biological insecticides are potentially useful for the effective control of N. maculaalba and D. papaveris population densities and reduction of damage they cause to breadseed poppy.
机译：2015-2017年的小田间试验验证了所选杀虫剂对荚膜罂粟的主要害虫-荚膜象鼻虫（Neoglocianus maculaalba）和囊mid（Dasineura papaveris）的有效性。根据胶囊象鼻虫成虫的进食引起的胶囊表面钻孔和施用后约4周收集的胶囊中的幼虫数量评估叶面施用的效果。剂量为0.4 l / ha的测试过的生物制剂Spintor（活性成分spinosad 240 g / l）和剂量为3？l / ha的NeemAzal T / S（活性成分印za素A 10.6 g / l）对抗黄斑猴幼虫的生物功效个别监测年份的比例分别为46.4％至77.7％和67.7％至82.9％。 0.3％剂量的Prev B2配方（硼乙醇胺相当于2.1％的水溶性硼）的作用范围是59.5–81.9％。与注册的化学标准Biscaya 240 OD（有效成分噻虫啉240 g / l）和Decis Mega（有效成分溴氰菊酯50 g / l）相比，它们的功效没有显着差异。因此，这些生物杀虫剂潜在地可用于有效控制黄斑猪笼草和罂粟丁香的种群密度，并减少它们对含油罂粟的损害。

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