兴城市是辽宁省苹果产区之一。原预测今年苹果产量为大年,据花期抽样调查,国光苹果结果枝占总枝数的80%以上。然而,花后幼果大量脱落,座果率很低。以国光品种为例,沿海一带花朵座果率只有7.5%,西部山区略高,全市平均国光花朵座果 Xingcheng is one of the apple producing areas in Liaoning Province. The original forecast for this year’s annual apple production, according to flowering sample survey, Guoguang apple results accounted for more than 80% of the total number of branches. However, after flowering young fruit a lot off, fruit set rate is very low. To Guoguang varieties, for example, the rate of flowers in the coastal area is only 7.5%, slightly higher in the western mountains, the city’s average national flower flowers and fruits