对三系杂交棉今后的研究方向进行了展望。
The future work on CMS and its utilization in cotton are also discussed.
参试亲本配制的两系杂交组合在综合性状及单株产量上均不及三系杂交组合。
The twoine hybrids were inferior to the threeine ones with respect to most of the traits.
但现行的三系杂交水稻制种技术,自播种至收获完全依靠人工操作,工序繁杂。
Now the process of the hybrid seed production mainly relies on manual, the working procedure is very burdensome.
通过标记辅助选择获得的改良材料为三系杂交稻恢复系的培育提供了稻瘟病抗性亲本。
The improved lines can be used as candidate parental lines for rice breeding with blast resistance.
简要回顾了我国三系杂交水稻的育种历程,重温了其育种经验,分析了杂交小麦研究落后于杂交水稻的原因。
This paper briefly looks back on the breeding history of three line hybrid rice and reviewed its breeding experience. The reason that hybrid wheat studies lag behind hybrid rice is analyzed.
以具广泛代表性的6个不育系和9 个恢复系及其配制的54 个组合为材料研究了现有籼型三系杂交水稻米质状况。
The grain quality of the existing three line indica hybrid rice was studied with widely used 6 A lines, 9 R lines and their 54 hybrids as the materials.
利用这项技术可望解决三系、两系或化学杀雄杂交稻制种过程中出现的纯度问题,且有利于新杂交稻组合的选育。
Using this technology, the purity problem during seed production in three-line, two-line or chemical-emasculated hybrid rice breeding system could be solved and some new combinations could be bred.
经20余年的努力,成功育成了一批基本符合上述目标的杂交水稻新三系和组合,并陆续投放于大面积生产,产生了较大经济、社会和生态效益。
Succeeded after more than 20 years, we have breeded one batch that basically to conform to the above goal hybrid rice and put in the production for a big area, society and ecology in Enshi prefecture.
杂交水稻与其三系茎、叶解剖的比较有些区别。
There are some differences in stem and leaf structure between hybrid rice and its three lines.
普通系与高油系间相互杂交的三种杂交模式以及风干、青贮处理对玉米秸秆品质有较大影响。
The three cross patterns between NOC and HOC and air-dried, ensiled treatments had obvious influence on maize stover quality.
1990年,采用病区病圃剪叶接种法,对杂交稻三系资源及组合3098份进行了鉴定。
In 1986-1990 the leaf inoculation method was used in a diseased area or nursery to identify 3098 three line materials and rice hybrids.
研究了杂交稻及其三系叶片衰老过程中叶绿体数量和结构的变化。
The structure and Numbers of chloroplasts were investigated during leaf senescence in hybrid rice shan you 63 and three lines.
群体光合作用和衰老特性的差别主要在组合间,而不在两系和三系两种类型之间,两系杂交稻未有明显的优势。
Significant differences were observed within the same kind of hybrid rice but not between the two kinds of hybrids, so did for the canopy photosynthetic rate of these hybrids.
柱头外露的基因型明显的表现为长柱头、长花柱和长粒型。该研究为大豆“三系”和“两系”的直接利用提供育种资源,促使杂交大豆走向大规模商业化。
That finding will directly provide breeding resource for application of "three-line hybrid" and "two-line hybrid" in soybean, which will make hybrid soybean come in market cosmically.
柱头外露的基因型明显的表现为长柱头、长花柱和长粒型。该研究为大豆“三系”和“两系”的直接利用提供育种资源,促使杂交大豆走向大规模商业化。
That finding will directly provide breeding resource for application of "three-line hybrid" and "two-line hybrid" in soybean, which will make hybrid soybean come in market cosmically.
应用推荐