New varieties, methods for distinguishing plant varieties, and methods for rapid development of rice individuals

摘要

An object of the present invention is to provide a new rice cultivar that has been bred earlier than the original variety, and a method for budding rice individuals. The present invention relates to a rice cultivar Koshihikari Kazusa No. 5 whose cultivar registration application number is No. 25586, a progeny individual obtained by mating two individuals selected from the group consisting of an individual of the aforementioned cultivar and this progeny individual, and The region corresponding to the region from the 31st, 720, 064th base to the 31st, 724, 043th base in the 3rd chromosome of the rice cultivar Nipponbare in the 3rd chromosome of the rice individual is the rice cultivar Koshihikari Kazusa. The present invention relates to a method for rapidly growing a rice individual characterized by substituting a chromosome fragment comprising the region of No. 5 or the rice cultivar Habataki.