cross pollination的例句大全

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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To pollinate ( a flower ) by means of cross-pollination.

异花传粉用异花传粉的方式传花粉给 ( 花朵 )

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If my neighbors grow inferior corn, cross-pollination will steadily degrade the quality of my corn.

如果我邻居种植的是次等玉米, 交叉授粉将会逐渐降低我的玉米的品质.

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A new breed. A cross-pollination between tulips and daisies.

这是新品种,由郁金香和雏菊杂交而成.

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With better cross-pollination, more seeds develop, resulting in larger fruit.

异花传粉的果实有较多的种子籽, 导致更大的果实.

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The fruiting rate was 46.6% and 75.4% under the self-pollination and the natural cross-pollination respectively, which indicated that Salvia miltiorrhiza Bunge was a kind of cross-pollinating and self-pollinating plant.

丹参的自然杂交结实率为75.4%，自交结实率为46.16%，表明丹参为常异花授粉植物。

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Though the ratios of fruit set are not same, the quality of seeds got from allogamy is better. Cross-pollination is the main pattern, but the highest ripening rate was spontaneous pollination of Polygonum capitatum Buch.-Ham.

不同授粉方式虽在座果率上无明显差异，但异花授粉可明显提高天麻种子的质量。异花授粉为头花蓼的主要授粉方式，其中自然授粉的结实率最高。

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The major morphological characteristics of Leymus species are: a rhizome, cross-pollination, glume from coniform to lanceolate, lemma awnless or with a short awn, spike 1 to rounds of the sections was born in cob, anther length.

主要形态特征为：具根状茎、异花授粉、颖从锥形到披针形、外稃无芒或具短芒、小穗1到多枚着生于穗轴各节、花药长。

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The seed set was low for both natural and artificial cross pollination with only about one forth of ovules developing into seeds.

矮牡丹的结实率低，平均只有近1／4的胚珠发育成种子。

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When mechanical contamination is completely eradicated in the process of wheat seed reproduction by the technology of no-removing the off-types, the purity of foundation seeds and certified seeds are mainly determined by two factors of the breeder seed purity and the natural cross-pollination rate.

采取免去杂技术繁殖小麦种子时，决定所繁殖原种和良种纯度的2个主要因素是繁殖种纯度和品种天然异交率。

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