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粳稻杂种优势的充分利用,关键取决于种子的质量。高质量的种子一是要有遗传递力强,具有高配合力的亲本组配;二是制种技术严格控制。杂粳制种技术包括制种质量和制种产量两个方面。1 制种质量的控制1.1 杂粳亲本质量的控制是制种质量控制的关键。如何选择高纯度的亲本决定着杂
The full utilization of Japonica heterosis, the key depends on the quality of the seed. First, high-quality seeds should have a strong genetic power, with high parenting group with; the second is the strict control of seed production technology. Hybrid japonica seed production techniques, including seed production quality and seed production in two areas. 1 seed quality control 1.1 The quality control of hybrid japonica is the key to seed quality control. How to choose high purity of the parent decided to miscellaneous