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.

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 )

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.

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.

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.

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。

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。

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。

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。

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。