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This article in AJ

  1. Vol. 50 No. 4, p. 182-185

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Effect of Inbreeding on Fertility and Vigor of Alfalfa1

  1. C. P. Wilsie2



Average self-fertility of 437 alfalfa plants was 0.75 seeds per flower tripped. One generation of selfing has resulted in an average loss of 80 to 90% in self-fertility and 20 to 30% in vegetative vigor. In a study of 8 clones, loss in vigor was greater from the S1 to S2 generation than from the S0 to S1 generation. The vegetatively-propagated clone appeared to be the most satisfactory parental base from which to estimate inbreeding depression.

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