METHOD FOR OBTAINING SEEDS OF HETEROSIS HYBRIDS OF MARROW SQUASH, CUSTARD SQUASH, PUMPKIN

摘要

A method for obtaining seeds of heterosis hybrids of marrow squash, custard squash, pumpkin, including alternating arrangement of parental forms at the field. A line of marrow squash, custard squash, pumpkin preferably of female flowering type is used as a maternal form of the hybrid. Said line flowers in the course of ten-fourteen days by female flowers only and does not require hand pick off of male flowers thereon.