A Promising Type of Male Sterility for Use in Hybrid Tomato Seed Production

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Abstract
A type of "sterility" was found in the John Baer var. of tomato. This mutant can be selfed by hand-pollination but it does not self in the field, as is normally the case. It can thus be maintained readily as a pure line through hand-pollination and can be used as a 9 parent in hybrid seed production without the need for emasculation. About 75% of the labor of hybridizing is eliminated. Natural selfing is prevented because the anthers fail to dehisce. The character behaves as a simple recessive. When incorporated into other lines, it will reduce the cost of hybrid seed production. Work has been done commercially on quantity collection of pollen by electric vibrators.

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