鸭梨是我国华北地区特产果品之一。肉嫩多汁,甜酸适口,风味极佳,深受国内外消费者欢迎。由于它生产季节性强,集中在九月份成熟、采收、上市。生产单位和商业部门每年都要贮藏大量的鸭梨,以备淡季供应内销、出口等需要。但是,鸭梨十分“娇嫩”,机械损伤、贮藏温度变化、以及果实本身的呼吸代谢,都会引起种种病害,影响贮藏寿命,甚至会造成大量损失。因此,鸭梨季产年需的矛盾很突出。无产阶级文化大革命以来,通过批林批孔运动,我们上海果品经营部门的广大革命群众,为了贯彻执行“发展经济,保障供给”的方针,更好地为工农业生产服务,为工农兵服务,为 Pear is one of the specialty fruits in North China. Tender and juicy, sweet and sour taste, excellent flavor, welcomed by consumers at home and abroad. Due to its strong seasonal production, concentrated in September mature, harvest, market. Production units and commercial departments every year to store a large number of pear, in preparation for the off-season supply of domestic exports, exports and other needs. However, pear is very delicate, mechanical damage, storage temperature changes, and the respiratory metabolism of the fruit itself, will cause a variety of diseases, affecting the shelf life, and even cause a lot of damage. Therefore, the pear pear pearls annual output of the contradiction is very prominent. Since the Great Proletarian Cultural Revolution, the revolutionary masses in our fruit business sector in Shanghai, through the operation of “criticizing the proletariat and the approval of the Confucianists, have carried out the principle of” developing the economy and guaranteeing supply "so as to better serve the industrial and agricultural production and serve the workers, peasants and soldiers, for