梨树的高接换种技术辽宁省果蚕技术指导站于忠宪辽宁科学园艺研究所曹震辽宁省果树研究所伊凯随着梨优良品种的不断问世和引入，一些劣质品种应逐步淘汰。除了新建梨园外，采用高接换种的方法是加速发展优质梨果生产的有效途径。一、高接换种的好处１．有利于加快良种的繁... High exchange of pear technology exchange Liaoning Province, silkworm technical guidance station in Zhongxian Liaoning Institute of Science and Technology horticultural CAO Zhen Liaoning Institute of Fruit Ikeh With the advent of pear varieties and the introduction of some inferior varieties should be phased out. In addition to the newly built pear orchard, the adoption of high-exchange varieties is an effective way to speed up the development of high quality pear production. First, the benefits of high exchange rate Is conducive to accelerating the propagation of the fine ...