antifeedant

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。

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

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

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

The antifeedant activity of polygodial against aphids

蓼二醛对蚜虫的拒食活性

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。

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

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；

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

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。

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。

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。

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。

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

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%；

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。

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

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。

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

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

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。

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。

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

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。

A New Bioassay Method for Examining Antifeedant Activity

追踪检测拒食活性物质新的生测方法

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

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；

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。

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。

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。