breeding
参考例句：
However, similar phenotypes can be obtained by both conventional and GM plant breeding.
可是，通过传统育种和遗传饰变植物育种两种方法都可以得到相似的表型。Breed [livestock]
饲养，繁殖，育种[畜牧]It may probably caused by the parental choice in litchi's breeding procedure.
这可能主要和荔枝育种工作中的育种主体亲本的选择有关。Its use is limited to the preservation of breeding material or the establishment of clonal seed orchards
其用途仅限于保持育种材料或建立无性系种子园。rootstock breeding programs are receiving major emphasis in England, the USSR, and in Poland
砧木育种计划在英、苏、波、均作为重点项目。That's important because breeding could dilute the qualities that make a pig medically useful
这极为重要，因为育种能冲淡猪的特性，这使猪能在医学上更有用。Breeders try to incorporate resistance genes into farm crops to make them disease tolerant.
育种工作者想方设法把抗性基因转移到农作物上去，使作物有抗病性。Cultivar development may come to rely more upon the non-institutional peach breeders
品种发展也许最终将更多地依靠非专业的桃育种工作者。Such estimates can aid the breeder by pointing to conflicting trends in relation to selection
这种估算可以帮助育种工作者指出关于选择相反的'趋向。The selection methods applied in soybean breeding are those used in improving autogamous plant species
大豆育种工作中应用的选择方法即是那些用于改良自花授粉植物的方法。breeding是什么意思：
n. 饲养；繁殖；教养
v. [breed] 的现在分词形式；孵卵；繁殖；饲养
To breed or propagate.
繁殖或增殖 Mice breed in all seasons.
老鼠终年繁殖。a man of good breeding
有良好教养的人. Bacteria will not breed in alcohol.
细菌在酒精里不会繁殖。This can only breed resentment.