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《Southwest China Journal of Agricultural Sciences》 2012-01
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Effects of Water Stress on Germination and Seedling of Japonica Giant Embryo Rice

DAI Hong-yan (Xichang College,Sichuan Xichang 615013,China)  
In order to explore the method of decreasing the germination rate of seed of the japonica giant Embryo rice and provide theory guide for the improvement of seedling raising technology,the experiment of seed sowing was conducted by using PEG-6000 with Xi-giant Embryo-1.The results indicated that different experimental methods make a great difference in results.The results indicated that the treatment that culture with different concentration PEG water after 24 hours water seed soaking can decrease the seed vigor,and was unfavorable to seed germination.With increasing concentration of PEG,the germination rate was decreased and the seed germination occurs later,so the time of population germination will be prolonged, Under water culture after 24 hours seed soaking with the concentration PEG water below 15 %,the seed germination were promoted,but when the concentration of PEG was higher than 15 %,the seed germination was inhibited.
【Fund】: 四川省教育厅青年基金项目(2006C003)
【CateGory Index】: S511.22
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