| The cold soak field refers to the hill Valley by the cold water, cold spring dipping or lake beach by one class of paddy groundwater impregnated, is to improve the main obstacles of China’s grain output, the’cold soak field as the most extensive distribution area of low yielding fields in the southern region of China, its improvement and utilization is very important. But because our country area is larger, the cold soak field properties are different in different regions, there is no improvement measures of Cold Waterlogged field consistent large-scale popularization and application.Chemical control method plays an important role in the induction of seed germination, affecting the growth and development of plants, and promote plant cell senescence etc., so more and more domestic and foreign scholars will serve as a research hotspot. result of widely spread areas in China, different features find their way in different cold-soaking fields, and presently there are no united improvement measures for dealing these problems in large scale. However, when chemical regulation is found able to play vital role in inducing seed germination, influencing plant development and promoting cell ageing, it is rapidly becoming focus of studies for scholars abroad and home, physiological and biochemical indexes and yield of rice have changed in different extent, SA+S3307, ABA+SPM and other drugs significantly activity, reduced the content of MDA in cotton, the increase of rice SOD activity, POD activity, CAT activity, Height, root length. The results strongly indicate that the plant growth regulator could significantly improve the anti cold ability of rice, and the different effect of different.The experiment was conducted to study the physiological mechanism growth regulator to improve the anti cold rice plants, the results for signal transduction network to enrich and improve the plant growth regulator in cold conditions will undoubtedly have a positive significance. |
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