说明:双击或选中下面任意单词,将显示该词的音标、读音、翻译等;选中中文或多个词,将显示翻译。
您的位置:首页 -> 词典 -> 食叶率
1)  leaf feeding rate
食叶率
1.
The theory number and actual appropriate rearing number of Clanis bilineata Walker and the rearing on soybean yield loss caused by this insect were calculated through detection of leaf feeding amount and leaf feeding rate in cage.
通过对豆天蛾在田间笼罩条件下的饲养调查观察 ,测定出其幼虫食叶量、食叶率 ,从而计算出每平方米豆田的理论养虫量 ,实际适宜养虫量及对大豆产量损失的影响。
2)  defoliators
食叶害虫
1.
Control of forest defoliators with mixture of 25% chlorbenzuron Ⅲ flowable formulation and abamectin emulsible concentrate;
灭幼脲Ⅲ号与阿维菌素混剂防治林木食叶害虫试验
2.
Control efficiency of poplar defoliators can be reached by spraying 3% high permeability fenoxycarb over tall poplar trees along the express highway with high-range sprayer, and method is superior to the conventional practice.
利用高射程喷雾机喷施药物防治高速公路杨树食叶害虫,能够取得因杨树树体高大等原因用常规喷药方式难以达到的防治效果。
3)  defoliating insects
食叶害虫
1.
Trapping popular defoliating insects with Jiaduo Frequency Trembler Grid Lamps;
佳多频振式杀虫灯诱杀杨树食叶害虫初报
4)  eating patterns
叶取食状
5)  leaf eating insect
食叶害虫
1.
Relationship of crop yield to feeding injury by indirect insect and mite pests. Ⅰ. Leaf eating insect pests.;
间接性害虫为害与作物产量损失的关系Ⅰ.食叶害虫
2.
Three kinds of leaf eating insects of Sinophasma are S.
为防治近年来经常爆发危害的食叶害虫斑腿华枝虫(SinophasmamaculicruralisChen)、广华枝虫(S。
6)  leaf consumption
食叶量
1.
The leaf consumption of xanthocamp tussock moth(Euproctis sionilis var.
通过本研究,得出桑毛虫食叶量5龄虫全龄为1049。
补充资料:选择性取食率
分子式:
CAS号:

性质:又称选择性取食率。表示鼠对杀鼠剂适口性好或差的一种系数,是进行选择性取食试验的结构。即在试验环境下,同时提供毒饵和空白饵,并定时交换放置位置,让鼠有选择地自由取食,毒饵耗量与空白饵耗量之比值为摄食系数。一般认为,在使试鼠死亡的毒饵试验浓度下,摄食系数在0.3以下为不好;越大则表示适口性越好。

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