pollination
常見例句
- The flowers get pollination by insects.
這些花通過昆蟲授粉。 - Early archegonial development is already evident two weeks after pollination.
頸卵器的早期發(fā)育在授粉后兩周內(nèi)就業(yè)已明顯. - They damage female strobili during the interval between pollination and fertilization.
在傳粉與受精的間隔期間,他們毀壞了雌球花. - The flowers get pollination by insects.
這些花通過昆蟲授粉。 - Early archegonial development is already evident two weeks after pollination.
頸卵器的早期發(fā)育在授粉后兩周內(nèi)就業(yè)已明顯. - They damage female strobili during the interval between pollination and fertilization.
在傳粉與受精的間隔期間,他們毀壞了雌球花. - Self - pollination, and subsequently self - fertilisation, in orchards always takes place to some extent.
在種子園中,常常有某種程度的自花傳粉和隨后地自花授精. - Use of controlled pollination is generally confined to various types of research.
控制授粉的應(yīng)用,一般只限于干不同的研究工作. - Self - pollination, and subsequently self - fertilization, in orchards always takes place to some extent.
在果園中,常常有某種程度的自花傳粉和隨后地自花授精. - Supplemental mass - pollination can substantially increase the seed yields in many cases.
在許多情況中,輔助混合授粉實(shí)際上可以提高種子產(chǎn)量. - This eliminates the possibility of self - pollination.
這減少出現(xiàn)自花授粉的可能性. - It'seems that pollination also involves certain chance factors.
似乎傳粉還包含有某種偶然因素. - They were maintained by normal self - pollination.
它們保持正常的自花授粉繁殖. - The difference should be discernible in the time of flowering and pollination in orchards.
在種子園的開花和傳粉時(shí),可以看出這一差異. - Pollination is the mechanical transfer of pollen from the anthers to the sti gmas.
授粉是機(jī)械地把花藥里的花粉傳送到柱頭上去. - Clearing a surround to the orchard, will significantly reduce background pollination to very low levels.
在種子園周圍只要清除出一條隔離帶, 便可顯著地使外來傳粉減到最低水平. - Fruits and embryos were obtained by self - pollination of Avignon and Lilium brownii.
俄維農(nóng)自交和野百合自交可以獲得自交果實(shí)和自交胚. - It helps to promote cross - pollination and is often combined with self - incompatibility.
這種現(xiàn)象在許多特化的 蟲媒花 中較常見,尤其是通過蜜蜂傳粉的花. 返回 pollination