The adaptation to small samples of the pearling test for kernel hardness in wheat
1948
Kramer, H.H. | Albrecht, H.R.
In soft wheats, the amount of wheat pearled off is inversely related to the moisture content of the wheat when moisture content is raised in dry samples. There is a linear relationship between sample size and pearling index, irrespective of length of time pearled or of kernel hardness in the range studied. The action of the pearler is such that an index of each kernel in a sample is obtained independently of the average index of the sample. The relationship between pearling time and pearling index is not linear, although curvilinearity is not very pronounced in pearling time from 30 to 60 seconds. A method of adjusting pearling indices for small samples to standard values is proposed and the usefulness of this procedure is discussed.
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