Abstract:

In order to research the mechanism of rice at low temperature, clone the genes of cold tolerance, breed the new rice defense cold stress, it is need to analysis progress on rice at low temperature. Evaluation of low-temperature germinability, cold tolerance of seedling, booting and application of the indexes were summarized. Physiology and biochemistry researches on molecular mechanism of cold tolerance were introduced. Rice film phase and enzyme activity have been changed with injury by low temperature. Studies on quantitative traits loci (QTLs) analysis for cold tolerance in rice were reviewed. BILs had been used for researching mostly among BILs, RILs and DH. More studies focused at seedling stage than booting stage. The first one cloned gene of cold tolerance had been introduced. And research directions on cold tolerance of rice in the future were suggested.