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杂交水稻是大幅度提高水稻产量的一种新途经。而制种田产量的高低受父母本花期、花时相遇的制约。花期、花时相遇有什么规律,受什么因素控制,如何控制相遇来达到制种高产稳产之目的,就成为当务之急需。我地区农科所、五七干校和气象台协作,对此问题进行了初步探讨、总结,以供制种时参考。
Hybrid rice is a new way to greatly increase the yield of rice. And the level of farming output by the parents of the flowering, when the constraints encountered. Flowering, when the flowers encounter what the law, what factors control, how to control the encounter to achieve the purpose of seed production of high and stable yield, it has become imperative. My area agricultural science institute, the May 7 cadre school and the meteorological observatory cooperates, has carried on the preliminary discussion to this question, sums up, for the reference when the seed.