antifeedant

Antifeedant and deterrent effect of active fractions in Xanthium sibiricum leaf against insect pests and its chemical component

苍耳叶活性组分对害虫的拒食和忌避作用及其化学成分

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X-ray crystal analysis on an insect antifeedant from seed oil of Euonymus fortunei

扶芳藤种油中的拒食活性化合物的X&射线晶体结构分析

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In addition, the results also showed antifeedant activity of A3 was maximal ( AFC50 is 1.6730mg/ mL).

另外结果表明，A3的拒食活性最大，AFC（50）为1.6730mg/mL；

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Synthesis and Antifeedant Activity of Podophyllotoxin Analogues with 4 β Sulfur Substituted Groups

鬼臼毒素4β含硫衍生物的合成及其拒食活性

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Antifeedant effect and control efficacy of ethanol crude extracts from the root bark of Periploca sepium against imported cabbage worm, Pieris rapae

杠柳根皮乙醇粗提液对菜青虫的拒食作用及其防治效果

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Studies on Antifeedant Activity of 20 Plant Crude Extracts against Several Pest Insects

20种植物提取物对几种昆虫的拒食作用

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Most antifeedant secondary plant compounds fall into one of four categories: sesquiterpene lactones, isoflavonoids, quassinoids, limonoids.

大部分植物源拒食性次生性化合物可以分为倍半萜烯内酯类、异黄酮类、苦木素类和柠檬苦素类化合物4大类。

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New resource of insect antifeedant& preliminary studies on chemical constituents in fruit oil of Celastrus angulatus

昆虫拒食剂新资源&苦皮藤果油的化学成分研究初报

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The antifeedant activity of polygodial against aphids

蓼二醛对蚜虫的拒食活性

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Observation on the antifeedant action of toosendanin to the larvae of the oriental armyworm

川楝素对粘虫幼虫拒食作用研究

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Compared to tutin, most of the tested compounds showed better antifeedant and insecticidal activities.

与吐亭相比，大部分化合物表现出较好的拒食和触杀活性。

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Pelargonic acid has a obvious antifeedant action to the imago of Pissodes punctatus Langor et Zhang.

壬酸对华山松木蠹象成虫有明显的拒食作用。

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The antifeedant ratio of ethyl acetate extract to Spodoptera litura ( Fabricius) was higher than that of petroleum ether extract and normal butanol extract.

乙酸乙酯对斜纹夜蛾的拒食率都高于石油醚萃取物和正丁醇萃取物，三种不同萃取物拒食率次序是：乙酸乙酯正丁醇石油醚。

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In no-choice test, the sequences of antifeedant effect were aether> alcohol> petroleum ester> chloroform extracts.

在非选择性条件时，乙醚提取物的拒食作用最强，其次分别为乙醇和石油醚提取物，氯仿提取物的拒食作用最低。

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In agricultural activity aspect we found it is effective in toxic action, antifeedant and development inhibition to pests.

在农用活性研究方面发现其对农业害虫有明显的毒杀作用，可引起拒食反应，或抑制害虫的生长发育。

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Repellent, antifeedant and insect growth inhibitory actions of essential oils;

植物精油对害虫的忌避、拒食和生长发育抑制作用；

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All extracts of Camptotheca acuminata Decn had stronger antifeedant activity towards 3rd-instar larvae of Plutella xylostella.

喜树提取物对小菜蛾3龄幼虫有较强的拒食作用。

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Activity of Insect Antifeedant Influenced by Leaf Disc Thickness of Cabbage

甘蓝叶碟厚度对昆虫拒食剂拒食活性的影响

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The insecticidal protein had high effect on the growth and development of larvae of H.armigera, and had significant antifeedant activity.

测定了杀虫粗蛋白对棉铃虫生长发育和取食的影响。

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A New Bioassay Method for Examining Antifeedant Activity

追踪检测拒食活性物质新的生测方法

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Concentration of antifeedant insecticide and antifeedant rate are line correlation, which is different substantially with correlation of dose and mortality.

拒食率随剂量的增加而增加不是必然现象，同一处理时间下，拒食剂浓度与拒食率呈线性相关性，与剂量-死亡效应的S曲线有着本质的不同。

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The mode of insecticidal action of ethanol extract from Angelica sinensis was combination of stomach toxic activity and antifeedant activity.

当归乙醇提取物杀虫作用方式为胃毒和拒食共同作用。

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Antifeedant Bioactivity of Extract from Macleya cordata against the Larvae of Pieris rapae

博落回提取物对菜粉蝶幼虫的拒食活性

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Studies on the Activity Content of Different Parts of Rhododendron molle and Pest Antifeedant

黄杜鹃不同部位有效成分含量及对害虫拒食作用的研究

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The extracts activities with methanol by soxhlet extraction was the most outstanding, and its main functions were antifeedant, growth inhibition as well as some contact and stomach toxicity effects.

以索氏法的甲醇提取物活性最突出，其主要作用方式为拒食和生长发育抑制作用，有一定的触杀和胃毒作用。

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The essential oil showed strong non-selective antifeedant and oviposition deterrence effect, but the persistence was not good.

龙柏精油对小菜蛾具有较强的非选择性拒食作用和产卵忌避作用，但由于精油的挥发性效果不持久。

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The fact that children from poor families rarely have the antifeedant and choosy food.

事实也说明，贫困家庭的孩子很少有拒食和挑食的。

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An antifeedant can be defined as a chemical that inhibits feeding but does not kill the insect directly;

拒食剂可以定义为能抑制昆虫取食而不直接杀死它们的化合物。

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The antifeedant rate for the larvae was about 53%, when the larvae were fed by cabbage leaves treated with extract of tomato plant.

用番茄抽提物处理过的包菜叶饲喂小菜蛾幼虫，其拒食率达53%；

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Syntheses of a new kind of insect antifeedants and using~ ( 32) p labelling method to test the antifeedant activities of these compounds to aphids

一类新型昆虫拒食剂的合成及利用~（32）P标记法对桃蚜拒食活性的测定

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