1) Contact toxicity
触杀作用
1.
Three extracts all exhibited contact toxicity against S.
测定了坡柳种子不同溶剂提取物对米象的触杀作用。
2.
Laboratory bioassay showed that Ruixiangsu possessed very strong contact toxicity and antifeeding activity to three kinds of aphids, Aphis gossypii Glover, Myzus nicotianae Blackman,and Toxoptera citricida Kirkaldy.
)的天然产物瑞香素对农业上重要的几类蚜虫具有很高的触杀作用和较好的拒食作用。
3.
Indoors experiments on the contact toxicity and antifeeding activity of several crude extracts from plant such as Eupatorium adenophorum Spreng, Sophora flavescens Ait.
紫茎泽兰等几种植物的乙醇提取物对农业上重要的两种害螨(二斑叶螨和柑橘全爪螨)具有很高的触杀作用和一定的拒食作用。
2) contact action
触杀作用
1.
The repellent action and contact action of the extracts of Acorus gramineus Soland to adult Sitophilus zeamais Motschulsky were studied in this paper.
测定了石菖蒲4种溶剂提取物对玉米象成虫的驱避和触杀作用。
2.
were tested for its repellent action and contact action against Tribolium castaneum,T.
结果表明,水菖蒲无水乙醇的提取物对长角扁谷盗和锯谷盗具有很强的触杀作用,尤其对长角扁谷盗,0。
3.
The repellent and contact action of the extracts of Croton tiglium L.
)4种溶剂提取物对玉米象Sitophilus zeamais(Motschulsky)成虫的驱避作用和触杀作用。
3) contact effect
触杀作用
1.
The results showed that the contact effect on the methanol extract from roots,stems and leaves of D.
结果表明,4种曼陀罗不同部位甲醇粗提物对粘虫5龄初期幼虫的触杀作用以曼陀罗初花期根茎叶为最高,其次为紫花曼陀罗花和初花期根茎叶,校正死亡率分别为23。
2.
The results of the study showed that extracts from walnut leaves had a powerful contact effect on aphid.
核桃叶提取物对蚜虫具有较强的触杀作用 ,提取物对蚜虫的击倒作用随浓度增大而增加 ;处理浓度越高 ,对蚜虫的击倒中时越
3.
The contact effects of water extracts from different plant parts of Ricinus communis(Euphorbiales: Euphorbiaceae) on grubs were determined in the laboratory.
在室内测定了蓖麻植株不同部位水粗提物对蛴螬的触杀作用。
4) contact activity
触杀作用
1.
The results show that cantharidin has the contact activity agaist all tested pests and the stomach activity agaist some pests,but no systemic activity and fumigant actiivity.
采用斑蝥素以不同杀虫方式处理6种害虫,结果显示:斑蝥素对所有害虫都具触杀作用,对部分害虫具有胃毒作用,而无内吸、熏蒸作用。
2.
Sarisan had weak contact activity against Helicoverpa armigera,Sitophilus zeama.
28μg/头,在供试剂量下对棉铃虫、玉米象和赤拟谷盗成虫的触杀作用较差;对粘虫和玉米象的熏蒸LC50值分别为16。
5) repellent action
触杀作用
1.
The repellent action and contact action of Croton tiglium extracts to 4 kinds of stored-grain insects were studied.
研究巴豆4种溶剂无水乙醇、丙酮、乙酸乙酯、石油醚提取物对玉米象、谷蠹、长角扁谷盗、锯谷盗4种储粮害虫的驱避作用和触杀作用,结果表明:巴豆4种溶剂的提取物对4种试虫具有一定的驱避作用和触杀作用,60 h的平均驱避等级最高达到Ⅴ级,对4种试虫的触杀死亡率最高达到87。
6) bactericidal action
杀菌作用
1.
Observations on bactericidal action of antibacterial peptide from Periplaneta americana L.;
美洲大蠊(Periplaneta americana L.)抗菌肽杀菌作用初步观察
2.
Objective:To study the bactericidal action of 5 kinds of traditional herbal drugs for Helicobacter pylori (Hp).
目的 :考察 5种中药制剂对幽门螺杆菌 (Hp)的杀菌作用。
补充资料：触杀作用
分子式：
CAS号：
性质：杀虫剂通过昆虫表皮部分进入体内，破坏生理机能，使昆虫死亡的一种作用。具有这种作用的杀虫剂称触杀性杀虫剂(contacting insecticide)。
CAS号：
性质：杀虫剂通过昆虫表皮部分进入体内，破坏生理机能，使昆虫死亡的一种作用。具有这种作用的杀虫剂称触杀性杀虫剂(contacting insecticide)。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条