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杂交水稻汕优10号和协优46号是我省近几年选配成的杂交晚稻新组合。1989年和1990年,这两个组合分别通过浙江省农作物品种审定委员会审定,审后种植面积进一步扩大,1991年达到450万亩,超过全省杂交晚稻总面积的50%,替代了汕优6号,成了我省杂交晚稻新的当家组合。1990、1991两年,我省推广杂交晚稻汕优10号和协优46两个新组合,增加粮食28.3万吨,增值2亿多元,取得了明显的社会效益和经济效益。
Hybrid rice Shanyou 10 and No. 46 is the best combination of the province in recent years, the new hybrid late rice into a new combination. In 1989 and 1990, the two combinations were examined and approved respectively by Zhejiang Province Crop Variety Approval Committee. After the trial, the planting area further expanded to 4.5 million mu in 1991, which surpassed 50% of the total area of the hybrid late rice in the province, replacing Shanyou 6 No., has become the new hybrid combination of late rice in our province. In 1990 and 1991, two new combinations of hybrid late rice Shanyou 10 and Xieyou 46 were promoted in our province to increase the grain output by 283,000 tons and increase the value by more than 200 million yuan, and achieved obvious social and economic benefits.