多种品种包括卡森杂交种和红心竹内。
不同菠萝种类、不同杂交种其营养芽的数量不等。
The Numbers of vegetative bud were quite different among varied types and hybrids of pineapple.
目前，开展优质杂交种的选育已经成为油菜育种的主攻方向。
At present, double low hybrid breeding is the major aspect of rapeseed breeding.
这种物种分布结果表明，杂交种可以在在亲本无法生长的环境中茁壮成长。
The species distributions suggest that the hybrids thrive where the parents cannot.
奥布莱恩在“科学”杂志上发表文章说，动物的DNA表明，杂交种后代是健康的。
Writing in the journal Science, o 'brien says the animals' DNA shows that the hybrids are the healthiest of the litter.
这个不育系的育性表现比较稳定，有可能用于无花粉观赏向日葵杂交种的生产。
Its sterility shows stable and is a potential recourse to produce pollen-free ornamental sunflower hybrid.
本文还针对RAPD技术在西瓜杂交种纯度鉴定上实际应用的可能性进行了讨论。
The possibility of application of RAPD technique on identification of watermelon hybrid purity was discussed.
本品种是采用高科技生物技术选育的亲本材料配制的杂交种，综合性状更为突出。
This species is the high-tech biotechnology breeding of parent material to compound hybrid integrated trait more outstanding.
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.
本品种是我国首席杂交甜瓜育种专家研制的杂交种，综合性状极为突出，抗病能力强。
This is our chief hybrid varieties of hybrid breeding specialist melon, comprehensive character, disease-resistant ability is strong.
沈阳农学院于1973年由北京引入高赖氨酸玉米种质，开始培育高赖氨酸玉米杂交种。
Germplasm of high lysine corn was introduced from Beijing in 1973, and the development of new high lysine corn hybrid was begun at the same time.
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.
并以玉米杂交种农大108的纯度鉴定为例，探索了该体系在玉米杂交种鉴定中实际应用的可行性。
The hybrid purity identification of Nongda108was used as an example to explore the possibility of application of SSR technique on maize hybrid identification.
尽管不同育种年代玉米自交系和杂交种在同工酶谱带上差异明显，但未表现出随育种年代变化的趋势。
The difference of band pattern in maize inbred lines or hybrids is obvious, but it don't display regularity changes with maize breeding eras.
从基因组基因平均水平和分子水平上揭示杂种优势形成的遗传基础，为棉花杂交种育种提供理论依据。
Furthermore, the genetic basis of heterosis was revealed on average level of gene and molecular level. All these results provided theoretic basis for cotton hybrid breeding.
介绍了鲜食糯玉米杂交种津鲜糯105的选育过程，研究了该品种的产量性状、品种特性和适宜种植区域。
The breeding process of a food corn hybrid variety: Jinxiannuo No. 105 was explained and its yield characters, specific properties, suitable cultivation zones were studied.
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.
农大108、晋单36、陕单911、沈单10号杂交种在山西的大面积推广，丰富了山西的玉米种质资源。
The extension of hybrid seed Nongda 108, Jindan 36, Shandan 911, and Sheridan 10 in a large scale in Shanxi has enriched Shanxi's maize germplasm resources.
利用不同渗透势的培养液模拟土壤干旱条件，研究了玉米杂交种“中单2号”在此条件下的生长和生理的变化。
Growth and physiological responces of hybrid maize"Zhongdan 1" to osmotic stress were studied by using solution culture supplemented with different concentration of polyethylene-glycol.
糯玉米新品种“吉糯3号”是以自选自交系“吉203”为母本、自选自交系“吉202”为父本育成的杂交种。
The new variety of glutinous maize "Jinnuo 3" was obtained using "Ji 203" as female parent and "Ji 202" as male parent.
利用年均种植面积较大杂交种的亲本自交系共计74份材料，用改进的模型评价品质性状的遗传变异及相关分析。
The genetic variation and correlation of quality characters of 74 inbreed lines which were parents of elite hybridize varieties that were grew widely.
本文综述了利用生物技术培育转基因雄性不育的多种策略，以及繁育用作大田配制杂交种的母本雄性不育系的新方法；
This paper reviewed the strategies of producing male sterility by gene engineering and new ways for the reproduction of male sterility lines use as a female parent in hybrid seed production.
结合玉米ssr分子标记检测技术和单籽粒dna快速提取方法，DNA指纹数据库和判别标准可有效地用于玉米杂交种的亲子鉴定。
As SSR marker technique and DNA rapid extraction method established, the DNA fingerprinting database could effectively be employed to identify parentage relations among hybrids.
以吉林省玉米主推杂交种21个组合为试材，利用RAPD法与盐溶蛋白法（PAGE）进行了鉴定品种与杂交种纯度的对比试验。
RAPD and salt-soluble protein PAGE analysis were used in seed purity assessment of 21 hybrid corn combinations in Jilin Province.
因此，这些结果显示SSR分子标记技术可以很好地用于杂交玉米种子的纯度鉴定，即使是这个杂交种是来自两个非常接近的自交系的。
These results clearly demonstrate that SSR marker should be useful for assessing purity of maize hybrid, even if the hybrid derived from two related parental lines.
通过研究3个玉米杂交种成熟过程中籽粒蛋白质及几种氨基酸的变化表明：玉米在腊熟后期至成熟籽粒的粗蛋白含量和单位面积生产量较高。
The results obtained from 3 hybrids of maize showed there were higher content and yield of protein in grains from the late stage or wax ripeness to maturity stage.
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.
结果表明，在玉米生理成熟期地上第二茎间髓部组织内蔗糖的含量与玉米对茎腐病的抗性密切相关，抗病的玉米杂交种的蔗糖含量明显高于感病的玉米杂交种。
Corn hybrids resistant to stalk rot had higher sucrose contents in the pith tissues of the second internode above the ground than hybrids susceptible to the disease.
结果表明，在玉米生理成熟期地上第二茎间髓部组织内蔗糖的含量与玉米对茎腐病的抗性密切相关，抗病的玉米杂交种的蔗糖含量明显高于感病的玉米杂交种。
Corn hybrids resistant to stalk rot had higher sucrose contents in the pith tissues of the second internode above the ground than hybrids susceptible to the disease.
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