Ploidy breeding is an effective and economical breeding method in this way.

而倍性育种是一种有效、经济的育种方法。

The results also indicated that the breeding method of HPHR is an effective measure for the super high-yielding rice breeding.

选育重穗型杂交稻是水稻超高产育种的可行的技术途径。

It is a new breeding method to bring seeds to space by recoverable satellite.

利用返回式卫星搭载作物种子并研究其变异机理，进而培育新品种，这已成为一种新型的育种方法。

Adopt modern poultry breeding method to make a surface type slow feathering cock test crossing of the imperial concubine.

采用现代家禽育种方法对贵妃鸡第二世代表型慢羽公鸡进行了测交试验。

A grey recurrent population improvement of wheat was suggested by combining the grey breeding method with the wheat dwarf male-sterile technology.

将灰色育种方法与矮败群体改良方法相结合，提出了小麦灰色轮回群体改良方法。