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

1、

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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2、

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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3、

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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4、

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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5、

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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6、

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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7、

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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8、

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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9、

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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10、

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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11、

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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12、

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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13、

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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14、

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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15、

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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16、

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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17、

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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18、

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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19、

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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20、

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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