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J Hered. 2004 May-Jun;95(3):268-70.

Inheritance of egusi seed type in watermelon.

Author information

1
Department of Horticultural Science, North Carolina State University, Raleigh, North Carolina, USA.

Abstract

An unusual seed mutant in watermelon (Citrullus lanatus var. lanatus) has seeds with a fleshy pericarp, commonly called egusi seeds. The origin of the phenotype is unknown, but it is widely cultivated in Nigeria for the high protein and carbohydrate content of the edible seeds. Egusi seeds have a thick, fleshy pericarp that appears during the second to third week of fruit development. We studied the inheritance of this phenotype in crosses of normal seeded Charleston Gray and Calhoun Gray with two plant introduction accessions, PI 490383w and PI 560006, having the egusi seed type. We found that the egusi seed type is controlled by a single recessive gene, and the symbol eg was assigned.

PMID:
15220396
DOI:
10.1093/jhered/esh031
[Indexed for MEDLINE]

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