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Crop Science Abstract -

Heritability Estimates of the Maturity of Fruit from Specific Growth Periods in Virginia Type Peanuts (Arachis hypogaea L.)1


This article in CS

  1. Vol. 10 No. 2, p. 127-129
    Received: June 4, 1969

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  1. C. L. Gupton and
  2. D. A. Emery2



Components of variance and parent-progeny regression techniques were utilized in Virginia type peanuts (Arachis hypogaea L.) to estimate the heritability of maturity as measured by the percent light transmittance through oil expressed from the kernels. Heritability coefficients were determined for early, intermediate, and late pegging groups in the F4 and F5 generations in the same year. The estimates were in remarkably close agreement for the two techniques and for the two generations. The coefficients ranged from .69 in the early pegging group to .95 in the late group. Predicted gains from hypothetical selection were similar to actual gains. The percent gain in maturity increased with successive pegging groups, resulting in more than twice as much gain from selection in the late as in the early group. These results indicate that greatest gain can be made by selecting for a rapid rate of fruit maturation at later-appearing fruit positions.

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