蚕业科学
蠶業科學
잠업과학
ACTA SERICOLOGICA SINICA
2009年
4期
896-901
,共6页
李云芝%刘文光%石瑞常%胡自江%衣葵花
李雲芝%劉文光%石瑞常%鬍自江%衣葵花
리운지%류문광%석서상%호자강%의규화
杀虫剂%苯氧威%家蚕%毒性%蚕茧生产
殺蟲劑%苯氧威%傢蠶%毒性%蠶繭生產
살충제%분양위%가잠%독성%잠충생산
Pesticide%Fenoxycarb%Bombyx mori%Toxicity%Cocoon production
苯氧威是具有保幼激素活性的昆虫生长调节剂类杀虫剂.该药剂对家蚕的毒性试验表明无熏蒸毒性,但有一定触杀毒性,且胃毒强烈;致家蚕中毒死亡的最低浓度以及对家蚕生长发育的影响均随家蚕龄期增加而增大,从5龄第3天起连续添食稀释32万倍~16亿倍的3%苯氧威药液,可使家蚕龄期明显延长且100%不结茧.依据试验结果认为:低浓度的苯氧威虽然不能致5龄家蚕幼虫死亡,但对蚕茧生产的危害很大,该药剂用于林木害虫防治应该远离蚕区.
苯氧威是具有保幼激素活性的昆蟲生長調節劑類殺蟲劑.該藥劑對傢蠶的毒性試驗錶明無熏蒸毒性,但有一定觸殺毒性,且胃毒彊烈;緻傢蠶中毒死亡的最低濃度以及對傢蠶生長髮育的影響均隨傢蠶齡期增加而增大,從5齡第3天起連續添食稀釋32萬倍~16億倍的3%苯氧威藥液,可使傢蠶齡期明顯延長且100%不結繭.依據試驗結果認為:低濃度的苯氧威雖然不能緻5齡傢蠶幼蟲死亡,但對蠶繭生產的危害很大,該藥劑用于林木害蟲防治應該遠離蠶區.
분양위시구유보유격소활성적곤충생장조절제류살충제.해약제대가잠적독성시험표명무훈증독성,단유일정촉살독성,차위독강렬;치가잠중독사망적최저농도이급대가잠생장발육적영향균수가잠령기증가이증대,종5령제3천기련속첨식희석32만배~16억배적3%분양위약액,가사가잠령기명현연장차100%불결충.의거시험결과인위:저농도적분양위수연불능치5령가잠유충사망,단대잠충생산적위해흔대,해약제용우림목해충방치응해원리잠구.
Fenoxycarb is an insecticide with juvenile hormone activity, being able to regulate insect growth.The toxicity test results indicated that Fenoxycarb has no fumigation toxicity, but has moderate contact toxicity and strong stomach toxicity. Both the minimum lethal concentration to silkworm and the influence to silkworm growth and development increased with the larval age. From day 3 of the 5th instar, continuous administration of 3% Fenoxycarb which was diluted 320,000 to 1,600,000,000 times could significantly delay the larval instar and result in 100% noncocooning. These results suggest that, although low concentration of Fenoxycarb does not lead to death of the 5th instar larvae, it could cause great damage to cocoon production. Therefore, it should be far from the silkworm rearing areas if Fenoxycarb is to be used for controlling pests in forest regions.