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1965年4月15日至20日在泰安召开了全国核桃板栗品种选育和增产技术研究协作座谈会。参加会议的有河北、安徽、新疆、贵州林业科学研究所,山东省果树科学研究所,中国科学院南京植物研究所及武汉植物园,河南省薄山林场,山东农学院等九个单位。会上提供的材料表明,自1963年以来,各地对核桃、板栗的科学研究,已作了不少的工作,并获得了一定的成就。在选种方面,江苏、贵州、安徽、河南、山东、河北等地,通过地方良种评选,选出了一些丰产质优的品种或单株,并采用嫁接或固定采种母树的方法,就地繁殖推广,新疆选出的纸皮、露仁、薄壳、丰产、隔年等五个核桃良种,在国内部分省市已进行区域试验或重点推广;对板栗的杂交育种,作了一些基础工作,并进行了遗传规律的探讨。在繁殖技术方面,进行了野生砧木的调查研究,初步认为利用野生砧木资源就地嫁接,是多快好省地发展核桃板栗的方法。在栽培技术方面,通过总结群众经验以及试验研究等工作。初步看出在较陡的山坡上修巩了梯田的栗园,比自然陡坡栗园增产50％左
From April 15 to April 20, 1965, a Symposium on Collaborative Research on Breeding and Production Increase of National Walnut Chestnut was held in Taian. Participating in the meeting are Hebei, Anhui, Xinjiang, Guizhou Institute of Forestry, Shandong Institute of Fruit Science, Nanjing Institute of Botany, Chinese Academy of Sciences and the Wuhan Botanical Garden, Henan Province, Bachelor Hill Farm, Shandong Agricultural College and other nine units. The materials provided at the meeting show that since 1963, a great deal of work has been done on scientific research on walnut and chestnut and some achievements have been made. In the selection of species, Jiangsu, Guizhou, Anhui, Henan, Shandong, Hebei and other places, through the selection of local varieties, selected a number of high yield and high quality varieties or single plant, and grafted or fixed seed mother tree, in situ breeding Promotion, selected in Xinjiang Paper, Lu Ren, thin shell, high yield, the next year, five walnut varieties, some provinces and cities in China have conducted regional testing or focus on promotion; chestnut hybrid breeding, made some basic work, and Conducted a study of genetic law. In the field of breeding techniques, the research on wild rootstocks was conducted. It is initially believed that the method of grafting walnut in walnut with more rapid, better and more economical use of wild rootstock resources can be used. In cultivation techniques, through the summary of the masses of experience and experimental research work. It is initially seen that the chestnut garden with terrace terraces steeped in steeper slopes yields 50% more yield than the natural steep slope chestnuts