weevil的例句大全

Pest infestation also easily occurs, mainly rice weevil and corn weevil, etc.

害虫感染也易发生, 主要感染的害虫有米象和玉米象等.

The ecological implication of this life history strategy of rice water weevil was discussed.

文中讨论了双季稻区稻水象甲生活史对策的适应意义.

The rice weevil is a good example of the high reproducibility of some grain insect species.

米象是一些谷物昆虫中繁殖能力强的典型.

Farm demonstration work in the South helped to fight the cotton boll weevil.

南部农场示范工作大大帮助了对棉花象鼻虫的防治.

If you had the pluck of a weevil in a biscuit , you would catch them still.'

你们只要有干面包里的虫子那样的胆量, 就一定能抓住他们. ”

The weevil is a shiny, cylindrical beetle.

象甲科害虫是一种发光的圆柱形甲虫.

The cone weevil Shirahoshizo coniferae Chao ( Coleoptera , Curculionidae ) is a new record from Yunnan Province.

球果 角胫象系首次在云南发现,它为害云南油杉的球果.球果受害率为60～90%,其中有球果角胫象的球果占30～71%.

Boll weevil : grayish weevil that lays its eggs in cotton bolls destroying the cotton.

略带灰色的象鼻虫,在棉铃上产卵以破坏棉花.

The host range, within which the Cowpea weevil can be destructive, was also investigated, indicating 13 kinds of legumes, oilseeds and grain, among which legume is the one damaged the most severely.

弄清它能危害寄主范围和供试的豆类、油料、粮食等13个品种，其中对豆类危害最严重，也发现对花生仁和小麦的危害。

Prevention and control of Cowpea weevil.

四纹豆象虫口的制止及防治。

Observation on population of an active type of Cowpea weevil.

活动型虫口的观察。

Biological character of typical and active type of Cowpea weevil.

四纹豆象的标准型与活动型之间生物学特性。

The country has pretty much defeated the boll weevil, and the Department of Agriculture individually tests every bale on obscure measures such as the tensile strength of the fibres.

棉铃象虫在美国难以为害，农业部会拿纤维的抗拉强度等玄深标准逐个检测每个棉包。

In the long run, they saw that the boll weevil had, in fact, done them a favor by destroying their crops.

从长远来看，他们发现棉铃象甲虫虽破坏了农作物，但实际上反倒帮了他们的忙。

It's called the boll weevil because it destroys the cotton boll, the seed pod that contains the cotton.

之所以会被称为棉子象鼻虫，是因为这种昆虫会毁坏棉花球，以及含有棉花的种子荚。

Gossypol, which is produced by gland cells in the leaves of cotton, is an attractant to the boll weevil.

棉叶腺胞分泌的棉酚对棉铃象鼻虫是一种引诱剂。

But in the early years of the century, the boll weevil began devastating the cotton farms in the south.

然而在上世纪初期，棉铃象甲开始侵嗜美国南部的棉花农场。

For japonica rice, the grains of most varieties were short and coarse in length and shape. INFLUENCE OF MELIA AZEDARACH SEED COARSE EXTRACT ON BIOLOGICAL ACTIVITY OF RICE WEEVIL

绝大多数粳稻品种的米粒属短、粗类型。苦楝籽粗提物对玉米象生物活性的影响

Influence of Melia azedarach seed coarse extract on biological activity of rice weevil

苦楝籽粗提物对玉米象生物活性的影响