Estimating of numbers and values of the factors affectmg combining ability and its heritability

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  • 玉蜀黍の組合せ能力の因子数,支配価及びHeritabilityの推定
  • トウモロコシ ノ クミアワセ ノウリョク ノ インシスウ , シハイカ オヨビ Heritability ノ スイテイ

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Abstract

Numbers and values of the factors affecting the combining ability and its heritabilities were estimated with the help the test-crosses which had inbred lines, single cross and back crosses as male parent, in corn. when the test-crosses (shown in the first column of Table 2.) were planted in-plots containing n plants with r replicates, mathematical model of j-th individual in i-th plot is presented in equation (1), and expected values of mean squares within and between plots are shown in Table 2. If heritability of combining ability is defined as following equation ; Heritability

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