High yield and high efficient management techniques for “Tianyouhuazhan” seed production in spring season

During “Tianyouhuazhan” seed production in spring season, parent seedlings management measures were used to centralized seedlings cultivation of male parents, and field management measures included flowering prediction and control, supplementary pollination and removing impurities and inferior grains. Thus it could save time and cost of seedlings cultivation, the yield of seed production reached 228 kg seeds per 667 m².