System of pleiotropic polygenes in the Cucurbitacea Ecballium elaterium (L.) Rich. related to durability and size of plant

Summary The statistical association between the characters life durability of plant and size of plant observed in a set of samples — cultivated forming a system of randomly balanced incomplete blocks — and corresponding to filial generations (pure, hybrid or backcross) from hybridization between the monoecious subspecies and the dioecious subspecies of the Cucurbitacea Ecballium elaterium (L.) Rich, respectively, is in concordance with the hypothesis that the system of polygenes governing the life durability of the plant in this species and the system of polygenes governing the size of the plants belong to the same system of polygenes. This system of pleiotropic polygenes governs the size and life durability of the plants at the same time.