雜交優勢英文heterosishybrid vigoroutbreeding enhancement)係個遺傳學、人工繁植、配種嘅用語。雜交優勢指後代(雜交種)會遺傳父系同母係品種嘅優勢、好處,所以攞到更加好嘅生物特性,不過,亦可能遺傳咗父母嘅缺點導,搞到更差[1]

優勢係指喺一啲環境之下,會比其他品種更加有能力生存,喺一個缺水嘅環境,能夠用少啲水生存到嘅植物,佢就有「優勢」,如果水原豐富,呢個優勢就會消失。可以用孟德爾遺傳或其他遺傳去解釋[2]農業界有興趣典型嘅雜交優勢,包括產量大、成熟快、穩定性高、耐旱性高咁[3]

  1. George Harrison Shull (1948). "What Is "Heterosis"?". Genetics. 33 (5): 439–446. PMC 1209417. PMID 17247290.
  2. Schnable, Patrick S.; Springer, Nathan M. (2013-04-29). "Progress Toward Understanding Heterosis in Crop Plants". Annual Review of Plant Biology (英文). 64 (1): 71–88. doi:10.1146/annurev-arplant-042110-103827. ISSN 1543-5008. PMID 23394499.
  3. "Drought-tolerant hybrid seed offers farmers reprieve from hunger". CIMMYT (美國英文). 2019-03-06. 喺2023-01-19搵到.