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- Tree farmers have never subjected trees to the process of selection and breeding. 林业农场主们也从未将林木置于人工选择和培养的过程之中。
- SELECTION AND BREEDING OF WAXLESS TWO-TYPE LINE OF RECESSIVE GENIC MALE STERILITY IN Brassica napus L. 无蜡粉隐性核不育两型系的选育。
- Dawkins hoped to traverse a library of tree shapes by artificial selection and breeding. 道金斯希望通过人工选择和繁育来全面构造树形信息库。
- The diversity in the progenies of endosperm plants has provided plentiful material for selection and breeding of new cultivars in Chinese gooseberry. 胚乳植株后代的多样性,可为中华猕猴桃的选种及品种繁育提供丰富的材料。
- We have selected and bred four strains of high-yielding rice. 我们选育了4种高产水稻。
- The big ear character, high rate of grain, plant height and ear height should be payed more attention to when selection and breeding of maize inbred lines were conducted. 指出在自交系选育过程中应注重对中大穗类型的选择,同时要求具有较高的出籽率和适当的株高和穗位高。
- The company established safe breeding model after research on abalone breeding procedure especially on diet selection and breeding to improve survival rate obviously. 通过对鲍鱼育苗过程研究,尤其是饵料筛选与培育,建立了安全育苗模式,明显提高了育苗成活率;
- It is difficulty to select and breed apomictic germplasm among diploid rices at present, but it has become a hotspot to select and breed apomictic germplasm among polyploid rices. 目前,在二倍体水平上选育水稻无融和生殖种质的难度较大,而在多倍体水平筛选水稻无融和生殖新种质已成为水稻无融和生殖研究新的生长点。
- Effects of cucumber graft on the disease resistance, stress tolerance, yield and quality were reviewed. Some existing problems in selection and breeding of cucumber rootstock were put forward. 摘要综述了嫁接对黄瓜抗病性、耐逆性、产量和品质的影响,提出了黄瓜砧木选育及嫁接栽培生产中存在的一些问题。
- Abstract : It is difficulty to select and breed apomictic germplasm among diploid rices at present, but it has become a hotspot to select and breed apomictic germplasm among polyploid rices. 摘要 : 目前,在二倍体水平上选育水稻无融和生殖种质的难度较大,而在多倍体水平筛选水稻无融和生殖新种质已成为水稻无融和生殖研究新的生长点。
- The result showed that the activity of protease should be concerned, as well as the specific growth rate of spores when selecting and breeding the excellent strains. 实验表明选育优良的米曲黴菌株不仅要考察菌株的蛋白酶活力,也要考虑菌株孢子的比生长速率。
- Mr Evans is a Londoner born and bred. 埃文斯先生是个道地的伦敦人。
- The result showed that the activity of protease should be concerned,as well as the specific growth rate of spores when selecting and breeding the excellent strains. 实验表明选育优良的米曲霉菌株不仅要考察菌株的蛋白酶活力,也要考虑菌株孢子的比生长速率。
- It is introduced the course , achievement,existent problem and prospect on selecting and breeding ofCoffea arabica in Yunnan Dehong Tropical Crops institute . 介绍云南省德宏热带农业科学研究所小粒咖啡选育种研究的历程、成就、存在的问题及展望。
- Selection and breeding of variety 品种选育
- combination of selection and breeding 选繁结合
- She was born and bred a Catholic. 她一出生就受到天主教的熏陶。
- Technology of selection and breeding 选育技术
- Garden plant genetics and breeding. 园林植物遗传育种学:
- A place where herons nest and breed. 鹭群栖息繁殖处,鹭巢群