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针对生产上多年种植空育131品种出现的品种退化等问题,从1999年至今,我公司采用三年三圃制严格把住原种生产关,加强综合管理及病虫害防治,证明原种生产应用三年三圃制是使品种种性纯化的可行途径。水稻空育131自1996年推广,由于品种的综合性状表现优良,已有8年大面积种植的历史,现已成为黑龙江省的主栽品种,占全省水稻种植面积的70%,在垦区占80%以上。品种多年大面积种植,生产上出现
In view of the problems such as the degeneration of cultivars such as Kongyu 131 that have been planted for many years in production, from 1999 till now, our company has strictly controlled the production of original seeds for three years and strengthened the comprehensive management and prevention and control of pests and diseases. Year Nursery system is to make the variety of species feasible ways of purification. Since its promotion in 1996, Kongyuyu 131 has been cultivated for eight years because of its excellent comprehensive traits. It has become a major cultivar in Heilongjiang Province, accounting for 70% of the rice planted in the province, 80% or more. Varieties of large area for many years planting, production appeared