1998年引进中国农业科学院郑州果树所选育的梨极早熟品种七月酥,经12年栽培观察,该品种在河南省商丘表现良好,目前推广面积已达2330hm2。 In 1998, the jujube pear early-maturing variety selected from Zhengzhou Fruit Tree of Chinese Academy of Agricultural Sciences was introduced into July jujube. After 12 years of cultivation, the variety was well-behaved in Shangqiu, Henan Province and the area has now reached 2330hm2.