青海省农林科学院园艺研究所的两项梨研究成果于1986年9月在西宁通过鉴定。 (一)引进梨树种质资源的研究通过多年的系统调查和研究,提出了引进的梨种在青海的适宜生态区、分布界限及其生长表现。如抗寒的秋子梨系统,在青海表现有抗寒性强的与 Qinghai Academy of Agriculture and Forestry Horticultural Research Institute of the results of two pear in 1986 September in Xining passed the appraisal. (A) the introduction of pear germplasm resources research Through years of systematic investigation and research, put forward the introduction of pear species in Qinghai suitable ecological zone, the distribution of boundaries and their growth performance. Such as cold autumn pear system, in the performance of cold hardiness and Qinghai