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Agronomy Journal Abstract -

Border Effects in Cotton Variety Tests1


This article in AJ

  1. Vol. 48 No. 3, p. 116-118
    Received: Nov 5, 1955

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  1. John M. Green2



In 3-year dry land tests at 3 locations in Oklahoma, significant or highly significant differences in yield of 2 test varieties resulted from border effects in 4 of the 9 tests. Differences in yield of the 2 varieties averaged over all borders were highly significant in 5 of the 9 tests. No significant border ✕ variety interaction indicated similar reaction of test varieties to borders. On the basis of these results, Oklahoma variety tests are planted with 4-row plots, the center 2 harvested for yield.

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