QTLs for hundred kernel weight, pod beak, pod reticulation and pod constriction in the linkage map of cultivated groundnut. Color codes for QTLs are as follows: black = QTL region for Keh-S08, red = QTL region for Gau-S08, green = QTL region for Gau-R08, blue = QTL region for Tro-R08, maroon = QTL region for Tro-R09, and pink = QTL region for Gau-R11