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Hybrid rice is a type of Asian rice that has been crossbred from two very different parent varieties. As with other types of hybrids, hybrid rice typically displays heterosis or "hybrid vigor", so when grown under the same conditions as comparable purebred rice varieties, it can produce up to 30% more yield. To produce hybrid seeds in large quantity, a purebred sterile rice variety is fertilized with fertile pollen from a different variety. High-yield crops, including hybrid rice, are one of the most important tools for combatting worldwide food crises.

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  • Hybrid rice (en)
  • Riz hybride (fr)
  • 雜交水稻 (zh)
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  • Hybrid rice is a type of Asian rice that has been crossbred from two very different parent varieties. As with other types of hybrids, hybrid rice typically displays heterosis or "hybrid vigor", so when grown under the same conditions as comparable purebred rice varieties, it can produce up to 30% more yield. To produce hybrid seeds in large quantity, a purebred sterile rice variety is fertilized with fertile pollen from a different variety. High-yield crops, including hybrid rice, are one of the most important tools for combatting worldwide food crises. (en)
  • Le riz hybride est une variété cultivée de riz produite par croisement entre différents types de riz. Comme c'est le cas des autres types d'hybrides, le riz hybride présente généralement un phénomène d'hétérosis (ou vigueur hybride) de sorte que, lorsqu'il est cultivé dans les mêmes conditions que les variétés de riz à rendement élevé comparables mais de souche pure, il peut produire des rendements jusqu'à 30 % supérieurs. Les variétés de riz hybrides sont parfois vues comme un outil de sécurité alimentaire, mais cela est sujet à controverse. (fr)
  • 杂交水稻,是指父系、母系为不同品种的水稻,杂交水稻种的大量生产利用到某些水稻品种的雄性不育特性。雜交水稻是一種常規技術,是把兩個遺傳性不同,但是優良性狀,特性能夠互補的(品種)雜交,利用杂交优势在子代中获得亲代的特性。比如說,有一個穗子很大,但是籽粒很小(很多),但另外一個品種,籽粒很大,這樣雜交起來,這個雜種就有優勢:又多又大。 (zh)
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