育种

• 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。
• Most characters of economic value to plant and animal breeders are metric characters .
  对植物和动物育种家具有经济价值的大多数性状是一些度量性状。
• 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。
• Many further details of poplar breeding and culture in europe are contained in a book by schreiner .
  欧洲杨树育种和栽培的许多更详细的阐述可参阅席莱纳尔所著一书。
• Seeds to be used for some shortened breedingcycle methods or for embryo culture should never be allowed to dry .
  用于缩短育种周期及胚培养的种子切切不可使其干燥。
• This influence can have economic importance, as hemp and asparagus indicate in plant breeding .
  影或许在经济上有重要的意义，如在植物育种中大麻和石刁柏所证明的那样。
• Breeders tend to rely on tested treatment and storage schedules and on reasonably prompt sowing .
  育种者采用的办法是倾向于信赖试验处理和贮藏设计方案以及合理的及时播种。