雪花梨和砀山酥梨为全国著名的梨品种,经我所引种、观察、鉴定与群众评议,认为均具有优质高产、晚熟耐贮运和适应性较强等优点,是目前我省表现好的梨品种,适于大部地区栽培。一、雪花梨雪花梨原产河北省定县,我所于1979年引入,现兰州、天水、平凉、庆阳、张掖等地均有栽培。雪花梨树势较强健,树姿半开张,密植园7年生树高4米,干周41厘米,冠径2.5×2.8米,干性强,幼树枝条直立,萌芽力强,成枝力较低,定植后四年结果,以短果枝结果为主,占果枝数81.06％,同时腋 Snow pear and Dangshan Pear are the famous varieties of pear in our country. They are introduced, observed, identified and evaluated by the public. They are all considered to be of high quality and high yield, late-maturing, storage-resistant and adaptable. Pear varieties, suitable for most areas of cultivation. First, snow pear Snow pear origin Ding County, Hebei Province, I was introduced in 1979, now Lanzhou, Tianshui, Pingliang, Qingyang, Zhangye and other places are cultivated. Snow rose pear strong potential, Shuzi semi-open, densely populated 7-year-old tree plantation 4 m, dry week 41 cm, 2.5 × 2.8 m in crown diameter, strong dry, young branches upright, strong sprout, branch force Low, the results after four years of colonization, mainly short fruit branches, accounting for 81.06% fruit branches, axillary