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open pollination中文是什么意思

发音:  
用"open pollination"造句"open pollination"怎么读"open pollination" in a sentence

中文翻译手机手机版

  • 开放传粉
  • 自然传粉
  • 自由传粉
  • 自由授粉

例句与用法

  • Sweetpotato pollens killed by u . v . didn ' t sprout ; 2 . normal pollens sprouted ; 3 . pollens of 5x mixed with recognition pollens attached and sprouted much ; 4 . in the negative - cross , sweetpotato pollens attached and sprouted much on the stigma of 5x ; 5 . in the possitive - cross without recognition pollen , 5x pollens few attached and sprouted ; 6 . in the treatment of pgr ( twice ) , globular - embryo observed on 15 days after pollination ; 7 . ovule obtained by intercross germinated on the medium ; 8 . plantlet from intercross ovule grew on the medium ; 9 . seeds obtained by opening pollination ; 10 . tubers of hybrids from 5x crossed by sweetpotatos for two generations
    紫外线杀死的甘薯花粉在亲和柱头上不萌发; 2 .未经紫外线处理的甘薯花粉在柱头上正常萌发; 3 .在蒙导花粉作用下,五倍体的花粉在甘薯柱头上大量附着和萌发; 4 .反交组合甘薯花粉在五倍体柱头上大量附着和萌发; 5 .正交组合无蒙导花粉时五倍体花粉少量附着和萌发; 6 .生长调节剂二次处理后,授粉后15天所见的球形胚; 7 .杂交胚珠在培养基上萌发; 8 .杂交胚珠培养成苗; 9 .放任授粉收获的大量种子; 10 .五倍体与甘薯杂交两代产生的后代群体的结薯性。
用"open pollination"造句  

百科解释

Open pollination is pollination by insects, birds, wind, or other natural mechanisms, and contrasts with cleistogamy, closed pollination, which is one of the many types of self pollination.Kearns, C.
详细百科解释
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