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新华社青岛9月7日电(记者张旭东、郭雅格)中国工程院院士、“杂交水稻之父”袁隆平7日在青岛说,计划在三年之内培育出一种耐海水浓度到0.3%至0.9%的高产海水杂交稻,亩产达到300公斤以上。
袁隆平是在2017东亚海洋合作平台黄岛论坛上作出上述表示的。
袁隆平说,全球有142.5亿亩盐碱地,亚洲有48亿亩,占全球的1/3以上。我国有15亿亩盐碱地,其中有2.8亿亩可以开发利用。开发利用盐碱地对保障世界和我国粮食安全非常重要,而水稻是改良种植盐碱地的首选粮食作物。海水杂交稻能够利用盐碱地大幅增产粮食,这方面的技术正趋于成熟。
“我们计划在三年之内培育出一种耐海水浓度到0.3%至0.9%的高产海水杂交稻,亩产300公斤以上,最后将海水稻盐碱地发展到1亿亩。以最低亩产300公斤计算,1亿亩盐碱地就可以增产300亿公斤粮食。300亿公斤粮食是什么概念?相当于湖南省全年粮食总产量,可以养活8000万人口,这是我们的目标。”他说。
去年,袁隆平带领的科研团队在青岛成立了海水稻研究发展中心。到2018年,这个中心计划示范种植海水杂交稻1000亩,2019年达到10万亩。
东亚海洋合作平台是国家“一带一路”建设规划优先推进项目,由国家海洋局统筹协调,依托山东省建设,其主要任务是,在海洋经济、海洋科技、海洋环保与防灾减灾、海洋人才与文化等四大领域,推动东盟与中日韩(10+3)开展多层次务实合作。东亚海洋合作平台总部设立在青岛市黄岛区,去年举办了首届东亚海洋合作平台黄岛论坛。
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