Horticultural Experiments and Training Centre, Chaubattia (Almora) U. P.
*Present address: Govt. Valley Fruit Research Station, Srinagar (Garhwal), U.P.
Investigations on linkage studies in six dwarf French bean varieties were carried out. It was observed that ten linkages are arranged in two groups; (1) Pc-P-pl-ps-V aa (2) Ic-To-Ea-Da. The characters controlled by these genes were: Pc pc, purple vs. green cotyledon, p p, purple Vs. green hypocotyl; pl pl. purple Vs. green first leaf pair veins; Ps ps. pink vs green stem; V vlae, violet vs. pale lilae (pink) flower; aa a, violet striped vs. yellow pod; Icicis, resistance vs. susceptible pod to interlocular cavitation; To to, string vs. stringless pod; Ea-ea, elliptical vs. round pod and Da Fa, straight Vs. curved pod.