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Some effects of seed size and spacing on the yield and grading of two maincrop potato varieties: I. Final yield and its relationship to plant population

Published online by Cambridge University Press:  27 March 2009

D. C. E. Wurr
D. C. E. Wurr
Affiliation:
Department of Applied Biology, University of Cambridge
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Summary

Two experiments, which investigated the effect of three seed sizes and three withinrow spacings on the graded yield of the two early maincrop varieties Pentland Crown and Maris Piper, are described and the results discussed.

Relationships were established between yields in various grades and stem population, and are used to explain the response of yield to changes in seed size and spacing. Comparisons between any two levels of the same treatment were affected by the size grade in which they were made. In addition, the tendency towards interactions between variety and seed size and between variety and spacing suggests that comparisons between varieties are affected by the populations at which these comparisons are made.

Type
Research Article
Information
The Journal of Agricultural Science , Volume 82 , Issue 1 , February 1974 , pp. 37 - 45
Copyright
Copyright © Cambridge University Press 1974

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References

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