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马铃薯具有喜冷凉耐低温的特性。其地上部分生长最适温度为21℃,块茎形成最适温度为16～18℃,在高温条件下退化速度加快.我省春马铃薯生育期间的温度较高,而且贮藏期间还要经过炎热的夏季,马铃薯的退化现象普遍存在,但各地退化程度
Potato has the characteristics of hi cold and low temperature. The optimum temperature for the growth of above-ground part was 21 ℃, the optimal temperature for tuber formation was 16 ~ 18 ℃, and the degradation rate was faster under high temperature.The spring potato in our province had a higher temperature during growth period and had to pass the hot summer during storage Degradation of potatoes is widespread but degraded everywhere