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hybrid vigor
(redirected from Hybrid vigour)

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heterosis

 or hybrid vigor

Increase in such characteristics as size, growth rate, fertility, and yield of a hybrid organism over those of its parents. Plant and animal breeders exploit heterosis by mating two different purebred lines that have desirable traits. The first-generation offspring generally show, in greater measure, the desired characteristics of both parents. Since this vigour may decrease if the hybrids are actually mated together, the parental lines must be maintained and crossed for each new crop or group desired.


hybrid vigor [′hī·brəd ′vig·ər]
(genetics)


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Collaborating scientists will further develop the understanding of hybrid vigour in rice and will work to develop hybrids with better resistance to brown planthopper, a key insect pest.
No other social system in the world is possessed of that kind of hybrid vigour.
Llyi farmer Richard Parry will also outline how producers can make the most of hybrid vigour, while HOC will explain how it is developing beef and lamb brands.
 
 
 
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