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Crop Science Abstract -

Use of the Modified Pelshenke Test for Early Generation Wheat Quality Screening1


This article in CS

  1. Vol. 12 No. 1, p. 80-81
    Received: June 19, 1971

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  1. J. R. Welsh and
  2. R. M. Normann2



The modified Pelshenke wheat (Triticum aestivum L. em Thell.) meal fermentation time test was evaluated as an early generation predictor of bread flour properties. Experiments were conducted comparing Pelshenke values, protein values, and mixograph properties. Comparisons were made between all three tests on 233 lines in 3 years, and on 140 paired observations between Pelshenke values on F2 plants and protein and mixograph values on subsequent F3 plant rows. Protein values did not correlate with any other measurements.

On the 233 lines on which all tests were conducted, the Pelshenke test was in complete agreement with mixograph measurements 75% of the time with respect to saving or discarding samples. Thirteen percent of the lines would have been saved by the Pelshenke test and discarded on mixograph, and 12% would have been discarded by the Pelshenke test and saved on the mixograph.

In the 140 paired observations between F2 Pelshenke values and F3 mixograph values, accurate predictions occurred in 72% of the cases. Seventeen percent of the cases would have been saved by the Pelshenke test and later discarded by the mixograph, while 11% would have been discarded by the Pelshenke but saved by the mixograph.

The Pelshenke test can be used with good reliability to screen for later performance on the mixograph.

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