1 ）常规杂交育种（ conventional cross breeding ）：又称组合育种，指通过人工杂交， 把分散于不同亲本上的优良性状组合到杂种，并对其后代进行培育选择，获得基因型纯合 或接近...
基于12个网页-相关网页
桃的常规杂交育种存在很多弊端，给育种工作带来较大的困难。
Conventional intercrossing of peach have many shortcomings, which bring biggish difficulty to breeding work.
在中期，通过分子生物学技术辅助的常规杂交育种(分子标记辅助育种)就足以满足要求了。
In the medium term, conventional crossbreeding helped by molecular biology techniques (a technique called "marker assisted breeding") may suffice.
人们通过常规杂交育种、辐射育种、组织培养育种、多倍体育种、航天育种等手段培育了大量的花卉新品种。
Breeders have bred a great deal of new flower varieties by taking routine cross breeding, radiation breeding, tissue culture breeding, polyploidy breeding, and spaceflight breeding etc.
应用推荐