湖北潜江市高石碑镇读者曾祥忠问:我2003年从浙江引进50棵中华圣桃,每年5～6月当其果实长至乒乓球大小时就逐渐掉落或萎缩,请问这是什么病?该用什么办法治理?湖北省农科院果树专家(430064)周绂答:“要想富,种果树”已深入人心,农民朋友为了增加收入在自己房前屋后种上果树已渐 Zeng Xiangzhong, Reader of High Stone Town, Qianjiang City, Hubei Province Q: I introduced 50 Chinese prized peach trees from Zhejiang in 2003, and gradually fall or shrink when their fruit grows to the size of table tennis from May to June each year. ? What method of governance? Hubei Academy of Agricultural Sciences fruit trees experts (430064) Zhou Qiu A: “To want to get rich, kind of fruit tree” has been popular among peasants friends in order to increase income in their own room before planting fruit trees have gradually