本刊讯(特约通讯员葛德光)日前,笔者在安徽省砀山县酥梨主产区9个乡(镇、场)了解到,今年黄河故道砀山段沿岸的4340hm2多酥梨受到低温寒流的侵袭,发生冻害,着果率偏低。据调查分析,低温寒流发生时,正值酥梨开花盛期,植株下部60%的 Recently, the author learned from 9 townships (towns and markets) in the main producing area of ​​Dashan County in Anhui Province that the 4340hm2 Diansu pear along the Danshan section of the old course of the Yellow River was affected by cold and cold currents and occurred this year Frost damage, the fruit rate is low. According to the survey and analysis, cold cold flow occurred at a time when the pear flowering period, the lower part of the plant 60%