pollination

Fruits and embryos were obtained by self - pollination of Avignon and Lilium brownii.

俄维农自交和野百合自交可以获得自交果实和自交胚.

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Early archegonial development is already evident two weeks after pollination.

颈卵器的早期发育在授粉后两周内就业已明显.

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Pollination is the mechanical transfer of pollen from the anthers to the sti gmas.

授粉是机械地把花药里的花粉传送到柱头上去.

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The difference should be discernible in the time of flowering and pollination in orchards.

在种子园的开花和传粉时,可以看出这一差异.

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This eliminates the possibility of self - pollination.

这减少出现自花授粉的可能性.

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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.

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Clearing a surround to the orchard, will significantly reduce background pollination to very low levels.

在种子园周围只要清除出一条隔离带, 便可显著地使外来传粉减到最低水平.

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It helps to promote cross - pollination and is often combined with self - incompatibility.

这种现象在许多特化的 虫媒花 中较常见,尤其是通过蜜蜂传粉的花.

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Supplemental mass - pollination can substantially increase the seed yields in many cases.

在许多情况中,辅助混合授粉实际上可以提高种子产量.

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Self - pollination, and subsequently self - fertilization, in orchards always takes place to some extent.

在果园中,常常有某种程度的自花传粉和随后地自花授精.

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They damage female strobili during the interval between pollination and fertilization.

在传粉与受精的间隔期间,他们毁坏了雌球花.

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The flowers get pollination by insects.

这些花通过昆虫授粉。

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It'seems that pollination also involves certain chance factors.

似乎传粉还包含有某种偶然因素.

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They were maintained by normal self - pollination.

它们保持正常的自花授粉繁殖.

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Use of controlled pollination is generally confined to various types of research.

控制授粉的应用,一般只限于干不同的研究工作.

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