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以乌克兰0246、新乌克兰83及杂交种186,在安集海进行观测.日平均温度在5℃以上时,植株积极生长,低于0℃时停止生长;温度再回升到0℃以上时,首先是主茎新叶又开始生长.在平均温度0—5℃的13天中,植株高度增
The observation was made in Anjihai with 0246 in Ukraine, 83 in New Ukraine and 186 in hybrids.When the average daily temperature is above 5 ℃, the plants grow actively and stop growing below 0 ℃. When the temperature returns to above 0 ℃, Is the main stem new leaves began to grow in the average temperature of 0-5 ℃ 13 days, plant height increased