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高粱是吉林省主要粮食作物之一,高粱对低温甚为敏感,以1969、1972、1976年三个低温年产量分别与上一年比较,三年平均减产25·8%,其减产程度在粮食作物中仅次于水稻。探讨高粱的低温冷害规律及其防御途径,有着重要的生产意义。
Sorghum is one of the main food crops in Jilin Province. Sorghum is very sensitive to low temperature. Compared with the previous year, annual output of three low-temperature sorghums in 1969, 1972 and 1976 respectively decreased by 25.8% Second only to rice in crops. It is of great significance to explore the law of low temperature chilling injury and its defense ways of sorghum.