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breed
    The mutation of fish breed by laser irradiation
    激光辐照诱变鱼类育种
    BREED ING EFFECTS OF DIFFERENT SELECTION METHODS ON THE OFFSPRING AND DEVELOPED LINES FROM Z. MAYS X Z. MEXICANA
    不同选育方法对“玉米×大刍草”远缘杂交(Z.mays×Z.mexicana)后代育种效果的研究
    Full Utilized Wild Yak Genetic Resource and Breeding Yak New Breed——Qinghai plateau yak new breed "Datong Yak" breed match-series technology
    充分利用野牦牛遗传资源 培育牦牛新品种——青海高原牦牛新品种《大通牦牛》育种配套技术
    After integrated optimized, for sire line in sire breed, breeding benefit was increased by 127.03% and yearly genetical increase of integrated breeding value was improved by 49.43%, for sire line in dam breed, that was 119.95% and 47.79%, and for dam line in dam breed, that was 93.67% and 45.19%.
    综合优化后,父本父系育种效益提高127.03%,综合育种值年遗传进展提高49.43%; 母本父系育种效益提高119.95%,综合育种值年遗传进展提高47.79%;
    It is valuable in theory and practice to fuse inducible promoters to ornamental character (such as florescence and flower color) genes of chrysanthemum to study the expressing behavior, and to breed by transgene ulteriorly.
    利用诱导型启动子与菊花观赏性状(如花期和花色等)相关的基因相融合,研究基因的表达规律,进而进行转基因育种,达到能人为控制花期、花色等观赏性状的目的,具有重要的理论和实践意义。
    W22 and W23 are the best materials in the 27 cultivals(breed lines), and they can be used to improve RMDF of other cultivars.
    27个品种(系)的机械损伤抗性可以依次分为差、较差、中、较好、好五个类群。 W22和W23可以作为育种中主要的机械损伤抗性来源。
    Molecular breeding is to breed new plant variety via improving or modifying genetic character of crop.
    分子育种就是定向、有目的地对农作物品种的遗传进行改良和修饰,更有效地培育植物新品种。
    But now, Biotechnology having large foreground in breeding means and the consummate organizational culture technology afforded powerful support for building virus free gene stock and transgene breed in grapevine.
    运用生物技术育种成为当前最有前景的育种手段,同时,业已成熟的组织培养技术为葡萄无病毒株系建立、转基因葡萄育种研究提供了有力的技术支持。
    The result showed that, in the normal management condition, patrilineal breeds(J、 B) and matrilineal breeds (L、 D) were suitable for reproduction demands, and in 24 weeks old, the body weigh for each breed were as follow: J♂3434g、 ♀3392g, D♂3020g、 ♀2855g, LD♀2980g;
    结果表明:在正常饲养管理条件下,父系(J、B)、母系(L、D)体型符合种用要求,体重均达到育种目标,24周龄体重J♂3434克、♀3392克,D♂3020克、♀2855克,LD系2980克;
    It is the main task of the scientists to breed new variey of high steady yield and quality.
    但通过新的育种途径培育高产多抗优质的新品种仍是科技工作者的重要任务。
    Twelve blood bio-chemical index, body weight and size of Gansu modern meat sheep new population were determined, and blood bio-chemical genetics were researched in this study. Based on the study general behave of adaptability, heritability and developing ,Ideal individuals selected from hybrid F2 and F3 served as the traits of new breed population, which were used to culture new breed.
    本研究通过对甘肃现代肉羊新品种群十二项血液生化指标测定、血液生化遗传学研究以及体重体尺测定,根据适应性,遗传结构及遗传变异,生长发育三方面综合表现,制定了甘肃肉羊新品种群理想羊只的选择标准,并指出:从F2、F3群中选择理想个体作为培育甘肃现代肉羊新品种的育种素材,进行横交固定,进而培育出肉羊新品种。
    The breed values of Cp AA genotype to them were -0.052 kg, -0.734 g respectively, that of Cp AB were -0.001 kg, 0.015 g, that of BB were 0.050 kg, 0.764 g.
    AA基因型 1 0 0日龄体重、日增重的育种值分别为 -0 .0 5 2 kg、 -0 .73 4g,AB分别为 -0 .0 0 1 kg、 0 .0 1 5 g,BB分别为 0 .0 5 0 kg、 0 .764g。
    The result showed that in irradiated swatch cells there are marked chromosome aberrances such as chromosome bridge, nucleus vacule and trail chromosome, there into, 4kγ-8kγ doses 60 ? Co-γ rays may be feasible doses to breed gladiolus.
    结果表明 ,与对照组相比 ,经过照射的样本细胞内具有染色体桥、核空泡化、落后染色体等染色体畸变现象 ,其中 4kγ - 8kγ剂量的60 Co -γ射线是较为适宜的唐菖蒲育种的照射剂量
    It is suggested that the innovation and application of polyploid germplasm, the isolation and purification of chimera types,enhancing breed efficiency with new technology, and the study in polyploid breeding should be paid more attention in the future.
    在今后的果树多倍体育种中应注意确定合适的倍性作为育种目标、重视多倍体种质资源的创新与应用、重视对多倍体嵌合类型的分离纯化、注意利用现代新技术提高育种效率、要加强对多倍体育种中有关问题的研究。
    So breeding strategy of mutants of producing high yields cytidine is as follows: on the basis of using Bacillus subtilis as the starting strain,breed mutants which have CRDAE-6-AUr 2-TUr 5-FCr HAD-and so on genetic marks.
    提出了胞苷高产菌株的育种思路:采用具有天然的磷酸单酯酶活力很高的野生型枯草芽孢杆菌为出发菌株,选育具有胞苷脱氨酶缺失(CRDAE-)、6-杂氮尿嘧啶(6-AUr)、2-巯基尿嘧啶(2-TUr)、5-氟胞苷(5-FCr)等结构类似物抗性标记及高丝氨酸缺陷(HAD-)遗传标记的突变株。
    According to general planning and marketable demand of the fine wool sheep breeding in our country,It took 8 years scientific and technical personnel of Xinjiang Agriculture Academy to breed Chinese Merino super fine strain under the lead of academician Liu.
    根据国家对细毛羊育种的总体规划和市场的需求,新疆农垦科学院在刘守仁院士的率领下,科技人员用8年的时间培育出了中国美利奴超细毛羊品系。
    Interrelation and coordinatiln of agronomy and economic characters of summer sow cotton breed after cutting wheat
    麦后夏播棉育种农艺与经济性状的相关与协调
    A study on selection and breeding breed of Gongting chicken(Peking Oil-Chicken)
    宫廷鸡(北京油鸡)的遗传育种研究
    Microorganism Breed Mutated by the Method of Low Energy Ion Injection
    低能离子注入法诱变微生物育种
    Studying for breed u sing of Chrysanthmum tissue cultural technique
    菊花组织培养技术在育种上的应用研究
 

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