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Genetic key discovered to dramatically increase yields and improve taste of hybrid tomato plants
Date:4/6/2010

omato plants only produce a finite amount of sugar, which they distribute equally among their fruits. So higher yields usually result in each fruit having a lower sugar content. But, remarkably, the florigen gene also boosted sugar content and sweetness of the individual fruits.

This study marks the first example of a single gene that consistently causes heterosis. The scientists are now looking to team up with agricultural companies to develop the hybrids for commercial use. The concept that mutations in one copy of a single gene can improve yield has broad implications for breeders. Mutant plants are usually thrown away because of the notion that mutations would have negative effects on growth, but this study suggests that hybrid mutations might lead the next revolution of improved crops.


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Contact: Jerry Barach
972-258-82904
The Hebrew University of Jerusalem
Source:Eurekalert  

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Genetic key discovered to dramatically increase yields and improve taste of hybrid tomato plants
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