七月酥、早美酥是分别用幸水×早酥和新世纪×早酥杂交培育而成。区域性试验研究表 明二者具有早果、丰产、优质的特性，在外观、色泽、品质等方面优于我国目前广泛栽培的早酥梨， 是有推广前途的极早熟或早熟梨新品种。 Crisp in July, early crisp crispiness are respectively fortified with Xushui × early crisp and new century × early crisp hybrid. Regional trials show that the two varieties have the characteristics of early fruit, high yield and good quality. They are superior to those of widely grown pear in appearance, color and quality in the aspects of appearance, color, quality and so on. They are very early or premature pear new varieties with promotion prospects.