Summary
Specific gravity (which is a measure of dry matter content) of potato tubers is an important character for the potato breeder. A survey of published and unpublished data shows that it is but little subject to genotype-environment interaction. Probably, genotype × seasons effects are slighdy greater than genotypes × locations effects.
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References
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Killick, R., Simmonds, N. Specific gravity of potato tubers as a character showing small genotype-environment interactions. Heredity 32, 109–112 (1974). https://doi.org/10.1038/hdy.1974.10
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DOI: https://doi.org/10.1038/hdy.1974.10
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