几种杀虫剂处理桑树及其对家蚕产量的影响。

Nagat H. Soliman, Doaa F. El sherif
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引用次数: 0

摘要

2019年春季,在Plant Protec研究了Cymbush®和tracer®两种杀虫剂对家蚕(Bombyx mori L.)幼虫的影响。部门前沿空中管制官。阿格利司。以1ml/l的浓度在桑树上喷洒杀虫剂。Cymbush®的0.1ml/l。桑叶采收三次(3、6、9、12天后)。结果表明,Cymbush和Tracer的5龄幼虫死亡率分别为18.30%和10.21%,而对照组为9.93%。与对照相比,成茧率、茧壳率和产丝率均有所下降,Cymbush®的数据分别为74.00%、89.08%、12.00%、19.07%和1.021cg/d,而对照的数据分别为93.00%、19.77%和1.910cg/d。
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Treatment Mulberry Trees with Some Insecticides and Its Effect on the Productivity of Silkworm, Bombyx mori L.
During the spring season of 2019, the effect of two insecticides (Cymbush®&Tracer®) on larvae of Bombyx mori  L. were studied at Plant Protec. Dept. Fac. of Agric., Fayoum Univ. Insecticides were sprayed on mulberry trees by concentration 1ml/l . of Cymbush® and 0.1ml/l. of Tracer®  .Mulberry leaves were harvested on to three times (after 3,6,9,12 days).Results show that, the 5th instar larval mortality percentages increased , where data ranged between 18.30% in Cymbush® and 10.21% in Tracer®  compared to 9.93% in control. While cocooning percentages, cocoon shell ratio and silk productivity were decreased when comparing to control, where data ranged between 74.00% in Cymbush®, 89.08% in Tracer®  , 12.00% in Cymbush®,19.07% in Tracer®  and 1.021cg/day in Cymbush®, 1.800cg/day in Tracer®  , respectively compared to 93.00%, 19.77% and 1.910cg/day in control, respectively.
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