多种品种包括卡森杂交种和红心竹内。

Varieties include Carson Hybrid and Red Cored Chantenay.

以半多育型杂交种农大高光效1号和单育型杂交种农大0638为材料，研究了玉米不同穗库在穗分化进程、穗生长、内源激素等方面的差异。

Nongda Gaoguangxiao 1 (semi-prolific hybrid ) and Nongda 0638 (non-prolific hybrid) were used to study the process of differentiation, development and endogenous hormones in different ears in maize.

花丝活力长短在一定程度上影响着玉米制种产量和杂交种产量，对玉米生产具有重要意义。

Silk vigor is an important trait that effects hybrid seed production and hybrid production in maize.

这类地方种质的绝对产量不高，但其稳产性和在干旱贫瘠条件下的丰产性优于杂交种。

Although this kinds of drought-resistance germplasm have a low absolute yield, their fertility and stability of yield under drought and infertile condition preceded crossbreed.

选择地理远缘、优良的爆裂玉米品种进行杂交可以获得超过优良亲本（综合种）产量10％左右的杂交种。

The experimental results indicated the yield of intervarietal hybrids from geographical distance and good varieties would raise 10% than their parents.