江苏省吴县是全国惟一的白沙枇杷商品基地 ,其生产的白沙枇杷肉质洁白细腻、汁多味甜 ,深受广大消费者喜爱。但白沙枇杷普遍果形较小 ,这是限制其进一步发展的因素之一。本文尝试了在枇杷花后用ＣＰＰＵ处理幼果 ,观察其对果实发育的影响。1　材料与方法1 1　试材　以本中心枇 Wu County, Jiangsu Province, is the only Baisha loquat product base in the country. The white sand loquat produced by the company is of pure and delicate succulent taste and sweet juices. It is well received by consumers. However, Baisha loquat generally fruit shape smaller, which is to limit one of the factors that further its development. This paper tried to use CPPU treatment of young fruit after loquat flower, to observe the impact on fruit development. 1 Materials and Methods 1 1 test materials to the center of loquat