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杂交制种     
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  hybrid seed production
     Strategies and methods of N7241S dominant male sterility to be used in recurrent selection as well as hybrid seed production were discussed.
     对N7241S显性核不育类型在大豆轮回选择及杂交制种方面的应用前景进行了讨论。
短句来源
     W6154S and Cc 64-7S remained male sterile for a longer period and hence is recommended for hybrid seed production.
     W6154S、测64-7S 在四川盆地东部地区不育期长,可以杂交制种.
短句来源
     However, Guang A has disadvantages as well as advantages in the utilization of heterosis because of its low lint percentage in parent propagation and hybrid seed production.
     但因光A纯合态的低衣分,其亲本繁殖和杂交制种时皮棉产量降低,故光A不育系在杂种优势中的利用有优势又有劣势。
短句来源
     Techniques to Improve Cucumber Hybrid Seed Production in Net Home
     提高黄瓜网室杂交制种产量的技术措施
短句来源
     Studies on hybrid seed production of cytoplasmic male sterile lines in soybean Ⅰ. Seed production of male sterile lines
     大豆质核互作不育系杂交制种技术研究Ⅰ.不育系繁种技术研究
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  hybridization breeding
     (3) the use of the male sterility in the hybridization breeding of cotton (4) several problems needing solving in the producing of the male sterility of cotton and its use prospect.
     (3)棉花雄性不育系在棉花的杂交制种中的利用; (4)棉花雄性不育系在生产应用中应解决的几个问题及其应用前景;
短句来源
  hybrid production
     One line 01222 with ps-2 gene introduced from Bulgaria was selected to do experimental hybrid production in this paper.
     对从保加利亚引入并选出的含有番茄ps - 2基因的雄性不育新品系 0 12 2 2进行了杂交制种试验。
短句来源
     Tomato germplam with ps-2 gene could easily produce the progeny with 100% sterility through selfing. It has been conveniently used for F_1 hybrid production.
     含有ps-2雄性不育基因的番茄材料可通过自交获得100%的不育后代,方便地应用于番茄杂交制种
短句来源
     With field experiment and large-scale practice on hybrid production in cotton SCRC15 by hand crossing, seed yield formation and production efficiency were comparatively studied in various Shandong cotton growing area.
     田间试验与大面积制种结合,对山东不同生态区鲁棉研15号杂交制种的产量形成规律和制种效率进行了研究。
短句来源
     ④Optimum flowering time for hybrid production of Pearl millet × Napier grass was last ten days in August, so sowing time for sterility line Pearl millet Tift23A on first and tenth in June, and Napier grass N51 should be on 15, July and with short-day treatment. It can be obtained flowering time agreement.
     4.杂交制种的适宜花期为8月下旬,即美洲狼尾草不育系Tift23A在6月1日、10日分期播种,而象草N51在7月15日进行短日处理,可实现花期相遇。
短句来源
     At present wheat hybrid production inclues with two ways,which are three law and chemistry kill male law.
     目前小麦杂交制种的主要途径是三系配套和化学杀雄。
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  “杂交制种”译为未确定词的双语例句
     The yield of hybrid rice seed production should reach 3.75 t/hm2 and 5.25 t/hm2 for early-season and middle-season type of male sterile line, respectively.
     超级杂交制种产量水平根据不育系的类型来确定,其中早稻类型不育系杂交制种产量要求大面积达到3.75t/hm2以上,中稻类型的不育系要求达到5.25t/hm2以上。
短句来源
     Study on the cross seed producing technology of eggplant
     茄子杂交制种技术研究
短句来源
     There were 17 kinds of nuclear male-sterile lines that were developed through different methods including selecting from mutants, artificial induction, genetic improvement and creating by biological technique. With male sterility (ms14 and ms5ms6) applied to cotton breeding, 28 hybrid varieties were bred in China.
     介绍17种棉花核雄性不育系的基因类型及其不育性遗传,通过采用自然突变体的选择、人工诱变、人工转育和改良、生物技术创造等方法培育核雄性不育系,应用于棉花育种研究,中国选育出利用ms14和ms5ms6的核雄性不育杂交种28个,杂交制种技术方法和标记不育系的研究进展为高效简化的杂交制种技术提供支撑。
短句来源
     Among fertility factors of leading to yield increase in the process of producing hybrid maize seeds, the contribution of basic soil fertility to yield accounts for 40%, and contribution of fertilizer accounts for 60%.
     在玉米杂交制种增产的肥力因素中,土壤基础肥力贡献占40%,肥料贡献占60%。
短句来源
     1. High-yield breeding technique with artificial castration and pollination in W8225The hybrid cotton yield was affected by many factors, especially the planting date, planting density, amount of fertilizers (urea), beginning pollination date, finishing pollination date, etc.
     1 W8225人工去雄授粉高产制种技术影响杂交棉制种产量的因素很多,特别是播种日期、种植密度、施肥量(尿素)、授粉开始日期、授粉结束日期等。 试验表明,五个参试因子中尿素、开始授粉时间对杂交制种种子产量达到极显著水平,结束授粉时间的影响达显著水平,播期与密度不同水平间差异不显著。
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  hybrid seed production
medium that developed in the field, indicating that the elevated temperature caused greater hybrid seed production than was observed in our earlier studies.
      
Selection on the basis of the codominant Prx-21 allele should allow for more rapid and efficient transfer of the recessive male sterile allele into an array of genetic backgrounds, thus promoting its use in hybrid seed production.
      
A new method for hybrid seed production based on cytoplasmic male sterility combined with a lethal gene and a female sterile pol
      
A new improved method for hybrid seed production was successfully tested.
      
The female sterile pollenizer provides a permanent abundant flowering with excess of pollen grains that leads to increased hybrid seed production without additional labour expenses.
      
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  hybridization breeding
Oil was hexane-extracted from soybeans that had been modified by hybridization breeding for low-linolenic acid (18∶3) content.
      
These results indicate that oils with lowered linolenic acid content produced by hybridization breeding of soybeans are potential alternatives to hydrogenated frying oils.
      
Our results clarify the process of Tulipa cultivar formation and will be useful for interspecific hybridization breeding.
      
This hot water treatment must be practically useful in hybridization breeding of Tartary buckwheat.
      
The use of such accessions in the Brachiaria hybridization breeding program is discussed.
      
  hybrid production
The frequency of somatic hybrid production was comparable to that previously established for two sexually compatible Petunia species.
      
inflata is possibly due to the stringent selection used for somatic hybrid production.
      
In the case of cytoplasmic male sterility-based hybrid production systems, ubiquity of sterility-inducing cytoplasm in derived hybrids warrants thorough characterization of its influence on plant phenotype.
      
The average rate of F1 hybrid production (seed setting rateXgermination rate) following an ordinary method of crossing is only 0.09%, whereas this rate is increased to 3.1% by use of embryo culture.
      
The first backcross of the F1 plants with triticale pollen is again difficult, the hybrid production being 0.9%.
      
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