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  • Author or Editor: B. D. Kingston x
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Abstract

Microscopic observations revealed that the epidermal layer of fruit of MSU 35G (warty) was composed of cells whose longest axis were perpendicular to the fruit surface and about 50 µ thick. The epidermal layer of fruit of MSU 6902 (non-warty) was composed of cells approximately 20 µ thick with little elongation in either visible axis. The F1 (warty) and warty fruit in the F2 exhibited a cellular shape similar to the warty parent. However, the thickness of epidermal cells of these warty progency were significantly less than that of the warty parent when observed in cross-section. Epidermal cell thickness of warty fruit observed in cross-section became increasingly less as the percentage of MSU 6902 in the genetic background increased. Subepidermal cells of fruit with non-warty skin were larger than corresponding cells of warty fruit. The epidermal cell shape of MSU 6902 was linked with the non-warty characteristic. Epidermal cell thickness is inherited independently of epidermal cell shape.

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