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用低位芽再生型早熟品系,对再生稻茎秆贮藏淀粉与再生苗生长的关系进行研究,结果表明:(1)供给再生稻营养的茎秆贮藏淀粉是在头季稻乳熟期以后积累的,至头季稻收获后2周左右消耗完毕;(2)头季稻茎秆贮藏淀粉,能够供给再生萌发与初期生长所需要的营养,促进再生稻的茎叶生长及幼穗分化。
The results showed that: (1) Stalk storage starch supplied to regenerative rice was accumulated after the first season of rice ripening , And till the end of the harvest season, the rice is consumed about two weeks after harvesting. (2) The storage of starch in the first season rice stalks can supply the nutrients needed for regeneration germination and initial growth, and promote the stem and leaf growth and spike differentiation of ratoon rice.