Self - pollination, and subsequently self - fertilisation, in orchards always takes place to some extent.
在种子园中，常常有某种程度的自花传粉和随后地自花授精。
Protogyny in M. grandiflora lies in a mechanism that determines the anther dehiscence stage, thus reducing self-pollination and interference between pollen and stigmas.
广玉兰的雌性先熟是通过主动控制花药开裂时间，降低雌雄功能干扰，有效减少自花授粉。
They were maintained by normal self-pollination.
它们保持正常的自花授粉繁殖。
We used gas chromatography to study the quantity of IAA and ABA in pear young fruits of different varieties from self-pollination to first physiological fruit-falling period.
采用气相色谱法对不同品种自花授粉后到第一次生理落果期梨雌蕊组织或幼果中的IAA、ABA含量变化进行了研究。
With flowering plants with only a small part of the self-pollination, the transfer of its pollen is usually dependent on certain pollinators.
具花植物除少部分自花授粉外，其花粉传递通常依赖于一定的传粉媒介。
Tomatoes are able to fertilise themselves, without need of a pollinator, yet even this self-pollination can be assisted by a bee visiting a flower.
番茄可以自我繁衍，不需要传粉者，但是如果有蜜蜂来传播花粉，这种自花授粉的植物也会得到帮助。
It is a mechanism that helps prevent self-pollination and is most common among wind-pollinated and unspecialized insect-pollinated flowers, as in figwort.
是一种避免自花授粉的机制，在风媒花和非专性虫媒花中最为普遍，比方说玄参。
It is a mechanism that helps prevent self-pollination and is most common among wind-pollinated and unspecialized insect-pollinated flowers, as in figwort.
是一种避免自花授粉的机制，在风媒花和非专性虫媒花中最为普遍，比方说玄参。
应用推荐