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This article in AJ

  1. Vol. 81 No. 2, p. 317-320
     
    Received: Apr 18, 1988
    Published: Mar, 1989


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doi:10.2134/agronj1989.00021962008100020035x

Microcomputer Simulation of Expected Gains from Eight Methods of Intrapopulation Recurrent Selection

  1. J. G. Coors ,
  2. J. E. Staub,
  3. D. Senalik and
  4. C. A. Rinehart
  1. D ep. of Agronomy, Univ. of Wisconsin, Madison, WI 53706
    D ep. of Biology, Western Kentucky Univ., Bowling Green, KY 42101

Abstract

Abstract

An interactive microcomputer program was developed to provide plant breeders and graduate students in quantitative genetics the opportunity to devise selection strategies and review expected gains for eight intrapopulation selection methods. Selection methods include uniparental and biparental mass selection, three forms of half-sib selection, full-sib selection, and S1 and S2 selection. Users provide estimates of genetic and environmental components of variance, selection intensities, and an array of possible experimental designs including number of environments, number of replicates within environments, and plot size. Expected gains can be expressed as either gain cycle−1, gain year−1, or gain season−1. Help screens are included that explain selection methods and the calculation of expected gains. The program is designed so the user can easily move within it, reenter values for individual variables, and rapidly redisplay results.

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