长把梨是我国生产的优良梨品种之一,也是后期市场供应的主要水果品种。在生产中大量贮藏长把梨时,由于红心病的发生,往往导致商品变质,经济上造成很大损失。因此,如何防止这一病害的发生是当前生产中急待解决的一个问题。除栽培期间的因素, Long pear is one of the best pear varieties produced in China and also the main fruit variety supplied by the market in the later period. When a large number of pears are stored in the production, due to the occurrence of bullish heart disease, they often cause deterioration of the commodities and cause great economic losses. Therefore, how to prevent the occurrence of this disease is an urgent problem in current production. In addition to the factors during cultivation,