在批林批孔运动普及、深入、持久开展的大好形势下,为进一步推动我省林木良种选育工作,于七四年九月,分别在榆次市和夏县召开了油松和阔叶树良种选育协作会议。会议以路线为纲,总结交流了协作组成立以来的经验,检查了计划执行情况,组织参观了现场,研究落实了今后协作方案,讨论了有关问题。会议开得较好,达到了预期目的。两年期间,油松良种选育协作组五十多个单位,初选优良单株58株,复选31 Under the general situation of popularization, thoroughness and long-lasting development of the Campaign for Criticizing Lin and Pond holes, in order to further promote the breeding of forest trees in our province, in September 1974, pine seeds and broadleaf seeds were held in Yuci and Xiaxian, respectively Breeding collaboration meeting. The meeting, taking the route as the key link, summed up and exchanged experience gained since its establishment, examined the implementation of the plan, organized visits to the site, studied and implemented future cooperation plans and discussed relevant issues. The meeting opened well and achieved the desired goal. During the two-year period, more than 50 units of Pinus tabulaeformis breeding team, primary selection of 58 excellent single plant, check 31