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- Experience in cross breeding between Triticum aestivum and Agropyron glaucum was summari-zed as follows:1.Breeding of new varieties from Agrotriticum hybrids:(1)Single cross. (2)Composite cross. 作者从事小偃麦远缘杂交育种工作20余年,已育成7个小偃麦品种及广西260、261等新品系,5个稳定的中间类型(新种)及广西631、632等新八倍体种和新的附加系,它们都是小麦育种的优良桥梁亲本。
- Five apple cultivars were individually inoculated with 18 representative single spore isolates of Venturia inaequalis collected from main apple grown areas in Shaanxi province. 选用陕西省18个有代表性的苹果黑星病菌菌株分别接种秦冠、富士、嘎啦、红星和乔纳金等5个寄主品种进行致病力测定。
- When it comes to cross breeding for better strains,Li is the comrade you should consult. 至于杂交培育良种的问题，你可以去请教李同志。
- Preliminary Study on Cross Breeding Technological System of Rose in Beijing Forestry University. 北林月季杂交育种技术体系初探。
- Research on Cross Breeding and Space Mutation of Dioscorea Zingiberensis C.H. Wright. 盾叶薯蓣（Dioscorea zingiberensis C.;H
- Research progress on cross breeding of Chinese fir was summarized in this paper and the primary insufficiency was analyzed. 摘要概述了我国杉木杂交育种研究进展，分析了杉木杂交育种存在的主要问题及其对策。
- A method that combines irradiation and cross breeding has been put forword to use early-maturing rice restorer to get hybrid combination with right maturing date. 我们还提出用辐射与杂交相结合的方法，解决早熟恢复系杂交稻熟期配套问题的具体方案。
- Omit condition of zoology, economy according to Qinghai, thoroughbred breed system includes blooded breed system, cross breed system 2 respects. 根据青海省生态、经济条件 ,良种繁育体系包括纯种繁育体系、杂交繁育体系 2个方面。
- Variation patterns and rule of morphology variation in Lilium regale Wilson was revealed to provide theoretical basis for introduction and domestication, and cross breeding. 摘要揭示岷江百合的形态变异式样及变异规律，为引种驯化、杂交育种提供依据。
- The effects of fermenting accessory ingredients on the alcohol fermentation of wild grape wine was studied with cross breed of"Gongniang Erhao"as raw materials. 以山葡萄种间杂交种“公酿二号”为原料,研究发酵助剂对山葡萄酒精发酵的影响。
- The flower succession of cultivated Paeonia lacriflora had close relationships with the stamen and pistil succession, which is the fundamental for parental selection in cross breeding. 摘要芍药花器官在人工栽培选择条件下的花型演化类型与雌雄蕊的演变关系密切，是杂交育种亲本类型选择的重要依据。
- In this paper, the achievements, the chief utilization way, the difficulties and its solution way, and the future research prospects in the interspecific cross breeding were summarized. 本文综述了野生稻资源在种间杂交育种上的成就、野生稻利用的主要途径、稻种间杂交的困难、解决方法及今后的研究展望。
- Abstract : After the measures of natural selection and cross breeding, induced mutation breeding by radiation has also become an effective method for creating new fruit tree germplasms. 摘要 ： 继实生选种和杂交育种后，辐射诱变育种也成为创造果树新种质的一个有效途径。
- Research Advance in Single Spore Isolation and Cross-breeding of Agaricus bisporus 双孢蘑菇单孢分离与单孢杂交研究进展
- Sex up the male pig for cross breeding 引起公猪的性欲来杂交育种
- The letter was written on a single sheet of paper. 这封信只用一张纸写成。
- cross breeding blood transfusion 充血杂交
- One single, second class, to winchester, please. 买一张去温撤斯特单程二等票。
- THE PRELIMINARY STUDY ON CROSS BREEDING OF ROSE 月季杂交育种的初步研究
- He got over the stream with a single leap. 他一跃就跳过了小溪。
