根据雷州半岛的气候条件，提出了高产制种的花期模型、穗粒模型和长相模型。通过采取薄膜防寒育壮秧、插足基本苗，争取足够的有效穗，达到理想的穗粒模型和长相模型；安排好播错期，及早预测和调节花期，达到理想的花期模型；最后通过轻割叶和巧施“九二○”，提高异交结实率，夺取制种高产。 According to the climatic conditions of Leizhou Peninsula, the flowering model, grain model and long-grain model of high-yielding seed production were proposed. Through the filming of cold-resistant and strong-growth seedlings, the basic seedlings were inserted into enough effective spikes to achieve the ideal spike grain model and the facies model. The planting date was set and the flowering period was predicted and adjusted as soon as possible to reach the ideal flowering model. Finally, Leaf and Qiao Shi “920” to raise the rate of cross-stature, to seize high yield seed.