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甘肃省气候干燥。冷凉,光照充足,日温差大,很适于梨树的生长发育,梨树种质资源极为丰富。据初步调查整理,全省现有地方农家品种189个,引进品种179个,占全国现有梨树品种的12.3%,在西北五省区内是首屈一指的。 一、梨树种质资源 梨树为甘肃省主要古老果树种之一。现有的梨树品种
Gansu climate is dry. Cold, adequate light, large temperature difference, it is suitable for the growth of pear trees, pear resources are extremely rich. According to the preliminary investigation and arrangement, there are 189 local farmer varieties and 179 varieties introduced in the province, accounting for 12.3% of the existing varieties of pear trees in the whole country, which is second to none in the five provinces of northwest China. First, the pear resources germplasm pear tree is one of the major ancient fruit species in Gansu Province. Existing pear varieties