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杂种

与 杂种 相关的网络例句 [注:此内容来源于网络,仅供参考]

Some species can interbreed with other related species, but the hybrids are often wholly or partially sterile.

还有一些相关物种之间可以杂交,但杂种是完全或相对不育。

To mate so as to produce a hybrid ;interbreed.

杂交为产生杂种而交配;杂交不适合

To mate so as to produce a hybrid;interbreed.

杂交为产生杂种而交配;杂交

But harmful effects are more common in groups with a history of interbreeding over several generations.

但是在历史上经历数代杂种繁殖的群体发生有害变化是较普遍的。

Also, induce Chinese to intermarry with non-Chinese is a sin.

还有, 做任何事情促使中国人同异族通婚杂种是有罪的。

The morphological and anatomical characteristics of"Zha′ai 76"Comparing with the plants of normal M.baccata and ordinary hybrid,"Zha′ai76"and other plants with Dw major gene showed that:the length of springgrowth or main shoot is shorter by 59.6-66.2%;the ratio of length:diame-ter of new shoot smaller by 33.2-58.4%;the length of internee shorter by14.0-42.7%:the node number of spring growth lesser by 40.7%;the cauli-cle height under the cotyledons of hybrid seedlings shorter by 65.0%;the in-dex of leaf stalk(stipe length:stipe thiek ness)on the spring growth smaller by34.5-50.2%;the length of leaf stalk shorter by 25.2-45.7%;the boundarybelt between spring and autumn growth has knob-like nodes;the margin of leafappears wave-like;the sepals with spinous proeessuses are massive and small;the eonstriction at calyx is not obvious;the trace of abscisic sepals is big;the ca-lyx end of fruit is plan or convex;the shape of shoot tip(of"Zha′ai 76")iswider and shorter;and in 1.0mm part from the top of shoot tip,there are manyspecialized cells which are larger in volarae,but with lesser inner material andwith smaller or no nucleus.

"扎矮76"的形态解剖特征与普通山定子和杂交后代中普通型植株对比,"扎矮76"和其它携带Dw主基因植株的:春梢短59.6-66.2%,梢长与梢粗比值小33.2-58.4%,节间短14.0-42.7%,春梢节数少40.7%,杂种苗下胚轴短65.0%,春梢叶柄形指数小34.5-50.2%,叶柄短25.2-45.7%,春秋梢交界处有瘤状突起,叶缘波状,萼片肥厚有刺状突起,萼部缢痕不明显,脱萼后萼痕较大、萼洼平或高于果面;新梢生长点宽而短,在距顶端1.0gmm处有较多体积较大、内容物较少、细胞核小或无的待化细胞。

Thirteen intersectional hybrids of herbaceous peony × tree peony were successfully introduced to Beijing from America.

从美国引种栽培13个芍药与牡丹的组间杂种,对其物候期及主要性状进行了观测研究。

There are about 700 interspecific hybrids among the British vascular plant flora of about 2500 native and alien sexual species .

在不列颠维管植物区系的2500个本地的和归化的有性种中,约有700个种间杂种

Yunnanensis indicate that there must have been or be extensive introgression between them after the hybridization involving P. tabuliformis and P.

三种松树中共检测到4CL基因序列的两种类型和六个亚类型,高山松群体中没有发现杂种独特的类型或亚类型。

Kenaf male sterility breeding gave a new method for the use of kenaf heterosis.

红麻不育系的选育为红麻杂种优势的利用提供了新的途径。

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