heterosis

基本解释

• n.杂种优势；混种盛势

同根派生

英汉例句

双语例句

• A mutation in one copy of the gene results in the exact dose of florigen required to cause heterosis.
  一个基因复本发生的突变诱发了形成杂交优势的适量的成花素产生。
• There are many kinds of PS materials in angiosperms, but the PS materials from the special polyembryoes are only thought to be valuable in fixing the crop heterosis.
  在被子植物中多胚苗材料的种类很多，而只有特定起源的多胚苗材料在作物杂种优势固定中才具有比较大的实用价值。
• The team made the discovery while hunting for genes that boost heterosis, the phenomenon by which cross-breeding two varieties of plants produces more vigorous hybrid offspring with higher yields.
  研究团队在寻找促进杂交优势的基因的时候发现，将两种植物杂交出的更具优势的子代，其产量更高。

权威例句

• Heterosis is a source of hybrid vigour, a very important strategy.
  FORBES: The Science of Tequila (Snobbery)

词组短语

短语

• relative heterosis 相对优势
• mean heterosis 平均优势
• crop heterosis 作物杂种优势
• Heterosis performance 优势表现
• mitochondrial heterosis 线粒体杂种优势

英英字典

柯林斯英英字典

• &rarranother name for hybrid vigour

专业释义

农业科学

• 杂种优势

  Results: The agronomic characters of F1 has obvious heterosis.
  结果:桔梗杂种一代主要农艺性状具有明显的杂种优势。

• 杂优利用

  The experience of Two-line hybrid rice ,that has succeed,forcefully Promotes the research and use of Wheat PTGMS materials and provides a broad space for practice for the breeders,its also Opened up a new way for Heterosis.
  两系杂交水稻的成功经验强有力地带动着小麦光温敏材料的研究和利用,为育种家提供了广阔的实践空间,开辟了小麦杂优利用新途径。

• 杂交优势

生物学

• 杂种优势

  In recent years, study of photoperiod- and/or thermosensitive male sterility (PTSMS) has made great progress, because of the significance of heterosis and regulation mechanisms for crops.
  光(温)敏雄性不育的研究无论对于作物杂种优势利用还是揭示植物发育过程中形态建成的光温调控机理均具有重要的意义。

• 杂种强势
• 异配优势