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水稻的产量主要来源于光合产物,产量的高低取决于光合产物的积累与分配。前人研究指出,高秆和矮秆水稻品种功能叶各生育阶段的光合产物的积累和运转具有不同的特点,但同一地区条件下,不同熟期类型品种光合产物的积累与分配如何,尚未见报道。本试验应用放射性同位素~(14)C,研究了不同类型水稻品种各生育期光合产物的积累和分配特点,为因地制宜采用品种提供参考。材料与方法本试验于1984年在广州石牌广东省农科院进行。早稻在水稻所试验田进行。供试品种
The yield of rice is mainly from photosynthetic products, the level of yield depends on the accumulation and distribution of photosynthate. Previous studies have pointed out that the photosynthate accumulation in different functional stages of high and dwarf rice cultivars has different characteristics. However, the accumulation and distribution of photosynthetic products in different maturity cultivars under the same regional conditions have not yet been seen Reported. In this study, the characteristics of photosynthate accumulation and distribution of different types of rice at different growth stages were studied by using radioactive isotope (14) C, which provided a reference for the adoption of varieties according to local conditions. Materials and Methods The test was conducted in 1984 in Guangzhou Academy of Agricultural Sciences, Guangzhou. Early rice is tested in paddy fields. Test varieties