杂种优势的

Sp. tritici, Puccinia recondita, and Gibberella;protein content; photosynthesis efficiency; yield in a limited area, etc.

该品系在抗病性、蛋白质含量、光能利用率、小区产量等方面都比亲本普通小麦优越，表现出较强的双重杂种优势。

The results showed that pingshandahuang, junlianxuesi and junliandabaimaya had greater potential trend, 13 landraces were divided into five primary heterotic groups.

结果表明：屏山大黄、筠连血丝和筠连大白马牙具有较大的利用潜势；13个地方种质可分为5个初级杂种优势群。

The experiment aimed to explore the inheritance of BC1F3 to excellent characteristics of parents (Elymus dahuricus; Hordeum brevisubulatum), heterosis and fertility restoration.

［目的］探明BC1F3代对亲本优良特性的继承情况、杂种优势及育性恢复情况。

He parameters fitted with Richards indicated that T showed lower final weight and initial specific growth rate, and higher inflection point time. The hybridation of TD had greater heterosis in final weight, inflection point weight, initial spec

D产肉性能比T提高很大，尤其在高海拔，超过了双亲的性能，杂种优势很高。T心重率、肝重率、胃重率和单位体重小肠长度比其他品种高，胸肌剪切力性状变异较大。

For cooperation to the utilization of heterosis and the selection of "three lines" in crops by the people, we have studied the metabolic condition of "three lines" in Sorghum and rice with irradiant isotops.

配合群众性杂种优势利用及&三系&选育科学实验，应用放射性同位素对高梁及水稻&三系&植株的代谢情况进行了研究。

For cooperation to the utilization of heterosis and the selection of"three lines"in crops by the people,we have studied tbe metabolic condition of"three lines"inSorghum and rice with irradiant isotops.

配合群众性杂种优势利用及&三系&选育科学实验，应用放射性同位素对高粱及水稻&三系&植株的代谢情况进行了研究。

In laboratory,"Pearl oyster breeding scheme, POBs" assumes populations of Indian and Sanya as the basic groups to nurture specialized lines, and then constructs cross lines by making use of heterosis and eventually bring out new varieties of P.martensii.

在我们实验室的&珍珠贝育种规划(Pearl oyster breeding scheme， POBs)&，就是以印度种群和三亚种群作为基础群，分别培育专门化品系，利用杂种优势，构建杂交配套系，最终育成马氏珠母贝新品种。

Researchers took the lead in making studies on onion and pepper male sterile line utilization, heterosis utilization and resistance breeding in solanaceous and cruciferous vegetables, watermelon and melon.

并在国内率先开展了洋葱、辣椒不育系利用，茄果类、十字花科蔬菜及西甜瓜杂种优势利用及抗病育种研究，1982年至今育成并通过审定的蔬菜新品种75个。

Rice cytoplasmic male sterility is female parent genetic phenomenon, which is the main means to utlize filial superiority.

水稻细胞质雄性不育是一种母性遗传性状，它是水稻杂种优势利用的一个重要途径。

Such as rice, wheat and other self-pollinating crops, the general crossbreeding between the two species often used method of cross-pollinated crops such as corn is to use more ways of utilization of heterosis.

如稻、麦等自花授粉作物，一般常采用品种间杂交育种方法，玉米等异花授粉作物则多采用杂种优势利用的途径。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。