1) antifeedant
[,ænti'fi:dənt]
拒食素
2) Antifeeding
拒食
1.
Insecticidal and Antifeeding Activities of Several Botanical Insecticides Aginst Plutella Xylostella;
几种植物源杀虫剂对小菜蛾的杀虫活性和拒食试验
2.
Investigation on Antifeeding and Ovipositing-repelling Activity of the Plant Corydalis sheareri against Two Lepidoptera Insects;
珠芽尖距紫堇 Corydalis sheareri对两种鳞翅目昆虫拒食和拒产卵活性的初步研究(英文)
3.
Oviposition deterrence and antifeeding effect of essential oil from Momordica charantia on Liriomyza sativae Blanchard;
苦瓜挥发油对美洲斑潜蝇的产卵忌避和拒食作用
3) Antifeedant
[,ænti'fi:dənt]
拒食
1.
Antixenosis, antifeedant and oviposition deterrence of extract of tomato plant on diamond moth, Plutella xylostella;
番茄抽提物对小菜蛾的忌避、拒食及抑制产卵作用
2.
Contact and Antifeedant Actions of Different Extracts from Polygonum nodosum on Sogatella furcifera;
节蓼不同提取液对白背飞虱的触杀和拒食作用
3.
The results showed that the antifeedant rates of the newly-hatched larvae reached 70.
250μL·L-1的浓度处理稻茎,对二化螟拒食率分别为70。
4) antifeedant activity
拒食活性
1.
The antifeedant activity of extract from Heynea trijuga against Pieris rapae larvae,and AshE activity and proteases activity of the highest antifeedant activity of H.
测试了海木提取物对菜青虫幼虫的拒食活性,并对拒食活性高的部分进行了乙酰胆碱酯酶活性、蛋白水解酶活性等测定。
2.
The(24 h) and (48 h) antifeedant activity against the 3rd larvae of Mythimna separate were assayed with leaf-disk method.
采用小叶碟添加法测试了所合成化合物对3龄粘虫M ythimna separate幼虫24h和48h的拒食活性,结果表明:4--βO-烷基鬼臼毒素类化合物的活性相对高于酰基化产物和对照鬼臼毒素(PPT)和脱氧鬼臼毒素(DPPT)。
3.
We tested these parts s antifeedant activity,and AshE activity,proteases activity and protein quantity of the highest antifeedant activity part.
对红楝的乙酸乙酯抽提部分进行了粗分并对各部分进行了拒食活性测试,并对活性较高的部分进行了乙酰胆碱酯酶活性、蛋白酶活性、蛋白质含量等测定。
5) antifeedant activities
拒食活性
1.
With the new method,toosendanin,plumbagin and ten neo-clerodane diterpenoids were examined for their antifeedant activities and results were reported.
本文研究植物源次生物质仿生半合成类似物对亚洲玉米螟五龄幼虫的拒食活性,通过改变人工饲料配方和状态,发展建立一种“饲料柱称重法”作为追踪检测新生测方法,以川楝素、紫雪花素和10个新克罗烷二萜化合物的拒食活性进行比较。
2.
The antifeedant activities of the methanol extracts from Shima superba Gardn.
室内测定了木荷甲醇提取物对小菜蛾、菜青虫3龄幼虫的拒食活性。
3.
The antifeedant activities of extracts of Murraya paniculata(L.
测定了九里香提取物对斜纹夜蛾幼虫的拒食活性。
6) antifeedant
[,ænti'fi:dənt]
拒食作用
1.
The results of our research indicate that Melia possesses a strong antifeedant.
拒食作用试验结果表明,楝属中的三种植物质杀虫剂的各种抽提物对中华稻蝗(Oxrya chinensis Thunbery)不同龄期均具有拒食作用。
2.
Treatment with 1% ethanol extracts of the flower, leaf and foot against the larvae of Pieris rapae and Spodoptera litura showed high antifeeding, the antifeedant rate of flower, leaf and foot to 5th instar larvae of P.
黄杜鹃 (Rhododendronmolle)中活性最高的化合物闹羊花素 (Rhodojaponin) -Ⅲ在花、嫩叶、根、茎中的含量分别为 0 2 0 %、0 1 4 %、0 1 1 %、0 0 8% ,其花、嫩叶、根的粗提物对菜粉蝶 5龄幼虫和斜纹夜蛾 3龄幼虫具有一定的拒食作用 ,而茎无明显的拒食效果 黄杜鹃花、嫩叶、根、茎各部位甲醇粗提物在 φ =1 0 0 %时对菜粉蝶 5龄幼虫 2 4h的拒食率分别为 92 76 %、86 78%、74 90 %、6 3 80 % ,对斜纹夜蛾 3龄幼虫的拒食率分别为 89 94%、80 0 6 %、73 4 8%和 6 3 2 2 % ,Rhodojaponin -Ⅲ的含量与其拒食活性成正相
3.
s: Results of experiments in laboratory indicated that the extracts of fruits, leaves and stems from Strophanthus divaricatus possessing strong antifeedant and insecticidal properties on the 4th instar larvae of the imported cabbage worm Pieris rapae.
羊角扭的果、叶、茎粗提物对菜粉蝶幼虫具有较好的拒食作用和毒杀作用,从羊角扭植物中分离出来的羊角扭总甙对菜粉蝶4龄幼虫的LC_(50)和LC_(50)分别为32。
补充资料:拒食剂
分子式:
CAS号:
性质:植物自身产生和人工合成的抑制昆虫味觉感受器而阻止其摄取食物的活性物质。主要化学类型有糖苷、醌和酚、萜烯、香豆素、生物碱、甾族等。如从印楝种子中提取的印楝素和从柑橘种子中提取的类柠檬苦素均是萜烯类高效拒食剂。人工合成的抑食肼(RH-5849)具有更高的活性。
CAS号:
性质:植物自身产生和人工合成的抑制昆虫味觉感受器而阻止其摄取食物的活性物质。主要化学类型有糖苷、醌和酚、萜烯、香豆素、生物碱、甾族等。如从印楝种子中提取的印楝素和从柑橘种子中提取的类柠檬苦素均是萜烯类高效拒食剂。人工合成的抑食肼(RH-5849)具有更高的活性。
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参考词条