Abstract
ABSTRACT Recently, a single Spear-shaped Leaf mutant plant was discovered in the ‘Georgia-06G' peanut (Arachis hypogaea L. ssp. hypogaea var. hypogaea) cultivar. The mutant had narrow leaflets with each leaflet tapering to a point which gives the appearance of a spearhead shape. Three cross combinations were used to determine the inheritance of this new mutant. F1, F2, and F3 segregation data strongly supported a single incompletely dominant gene, designated SpL, controlling the inheritance of the Spear-shaped Leaf trait. The F2:3 homozygous spear-shaped individual plants had taller mainstem heights, narrower leaflet width, reduced pod weight, and lower SMK percentages compared to the F2:3 homozygous normal leaf plants resulting from the same closely related cross combination (Georgia-06G x Spear-shaped Leaf mutant).
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