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Euphytica
Paris, H.S., Department of Vegetable Crops, Agricultural Research Organization, Newe ya'Ar Research Center, P.O. Box 1021, Ramat Yishay 30-095, Israel
Alternating intense (dark) and light stripes on the fruits are a fairly common feature of Cucurbita pepo, a highly variable species encompassing various kinds of pumpkins, squash, and gourds. The intense stripes can be narrow and broken or broad and contiguous. Narrow, broken intense striping is conferred by allele l-1(St), which is dominant to allele l-1 for non-striped, lightly colored fruits and recessive to allele L-1 for non-striped, intensely colored fruits. Cocozelle-type squash often exhibit broad, contiguous intense stripes. The inheritance of this characteristic was studied by transferring it from cocozelle squash and preparing nearly isogenic lines having broad-striped, narrow-striped, and non-striped light-colored fruits. In the broad-striped near-isogenic line, the intense stripes averaged 37% wider than in its narrow-striped counterpart. The broad-striped line was crossed with the narrow-striped line, the non-striped light-colored line, and the non-striped intense-colored 'Fordhook Zucchini'. Broad striping was dominant to narrow striping and to non-striped light and conferred by a single gene; it was recessive to non-striped intense. The gene for broad striping was found to be allelic to that for narrow striping and to that for non-striped intense and is herein assigned the symbol l-1(BSt). Dominance relationships at the l-1 locus were observed to be L-1>l-1(BSt) > l-1(St) > l-1.
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Gene for broad, contiguous dark stripes in cocozelle squash (Cucurbita pepo)
115
Paris, H.S., Department of Vegetable Crops, Agricultural Research Organization, Newe ya'Ar Research Center, P.O. Box 1021, Ramat Yishay 30-095, Israel
Gene for broad, contiguous dark stripes in cocozelle squash (Cucurbita pepo)
Alternating intense (dark) and light stripes on the fruits are a fairly common feature of Cucurbita pepo, a highly variable species encompassing various kinds of pumpkins, squash, and gourds. The intense stripes can be narrow and broken or broad and contiguous. Narrow, broken intense striping is conferred by allele l-1(St), which is dominant to allele l-1 for non-striped, lightly colored fruits and recessive to allele L-1 for non-striped, intensely colored fruits. Cocozelle-type squash often exhibit broad, contiguous intense stripes. The inheritance of this characteristic was studied by transferring it from cocozelle squash and preparing nearly isogenic lines having broad-striped, narrow-striped, and non-striped light-colored fruits. In the broad-striped near-isogenic line, the intense stripes averaged 37% wider than in its narrow-striped counterpart. The broad-striped line was crossed with the narrow-striped line, the non-striped light-colored line, and the non-striped intense-colored 'Fordhook Zucchini'. Broad striping was dominant to narrow striping and to non-striped light and conferred by a single gene; it was recessive to non-striped intense. The gene for broad striping was found to be allelic to that for narrow striping and to that for non-striped intense and is herein assigned the symbol l-1(BSt). Dominance relationships at the l-1 locus were observed to be L-1>l-1(BSt) > l-1(St) > l-1.
Scientific Publication
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