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自花授粉的英文

音标:[ zìhuāshòufěn ]  发音:  
"自花授粉"怎么读用"自花授粉"造句

英文翻译手机手机版

  • self-pollination

例句与用法

  • Cotton is naturally self-pollinated .
    棉花本是自花授粉的。
  • They were maintained by normal self-pollination .
    它们保持正常的自花授粉繁殖。
  • This eliminates the possibility of self-pollination .
    这减少出现自花授粉的可能性。
  • Studies on dynamics of boron and magnesium nutrients during fruit development of parthenocarpy and self - pollinated citrus cultivars
    单性结实和自花授粉结实柑橘果实发育中硼镁营养动态的研究
  • The seed - set by legitimate union is higher than that by illegitimate union . as to pollination effect , the seed - set of p . cicutarrifolia usually depends on pollinator visiting , but selfing will be favored in the stressed environment
    其同型花授粉率高,异型花授粉率低,而毛茛叶报春在正常情况下,以虫媒授粉为主,当环境受到协迫时,也可进行自花授粉
  • Changes in concentrations of boron ( b ) and magnesium ( mg ) in the ovary ( fruitlet ) , rind and pulp of fruit were investigated throughout fruit development of parthenocarpic kamei satsuma mandarin ( citrus unshiu marc . ) and self - pollinated egan 1 tangerine ( c . reticulata blanco ) . the results showed as follows : 1 ) b concentrations in the ovary of kamei were at high levels before flowering and at full bloom , and decreased after flowering , whereas that of egan 1 was relatively low at full bloom , thereafter significantly increased . no significant differences were observed in mg changes in the ovary ( fruitlet ) between the two cultivars , which presented decreasing trends after flowering . 2 ) minor changes of b concentrations in the rind of the two cultivars were detected , remarkable changes were found for b in the pulp , which came to the peak values during the stage of fruit enlargement . mg concentrations were relatively high in the rind and pulp of the two cultivars during early fruit development , and presented obviously declining trends during the middle and late stage of fruit development
    以单性结实的龟井温州蜜柑和自花授粉结实的鄂柑1号橘为试材,对整个果实发育期的子房(幼果) 、果皮和果肉的硼镁含量变化进行了测定.结果表明: 1 )龟井花前至花期子房硼含量就已较高,花后下降;而鄂柑1号花期子房硼含量相对较低,花后有一显著上升;两品种子房(幼果)镁含量变化无明显差异,花后均趋下降. 2 )两品种果皮硼含量变幅较小,而果肉硼含量变幅相对较大,且均在果实膨大期出现明显的上升高峰;两品种果皮和果肉镁含量在果实发育前期均相对较高,在果实发育的中后期则趋明显下降
  • In the early 1970s , he succeeded in developing three strains of hybrid rice , namely male sterile , maintainer and restorer , and obtained the world s first high - yielding hybrid rice strain . he is the first scientist who successfully altered the self - pollinating characteristic of rice and made large - scale farming of hybrid rice possible . this earned him the title " father of hybrid rice "
    七十年代初,袁教授成功实现了杂交水稻的不育系、保持系及恢复系三系配套,首次育出杂交水稻;他又打破世界的自花授粉作物育种的禁区,并实现了大面积种植杂交水稻的可能,为他在国际上赢得杂交水稻之父的美誉。
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