马关县杉木无性系种子园的管理技术

１９８７年，由部、省、地、县四级在云南省马关县营建６９６ｈｍ２杉木无性系种子园，株行距４ｍ×５ｍ（５００株／ｈｍ２）。１９９１～１９９３年间采用髓心形成层加套袋保护去顶嫁接，建立无性系种子园，尔后开展了一系列的管理，其主要技术有：解袋抹芽；松绑扶正；除萌修剪；补接更新；抚育施肥；病虫害防治；摘除鲜球果等。本文对这些管理技术作了较为详尽的介绍

Management Techniques of Chinese Fir Clonal Seed Orchard of Maguan County

A Chinese fir clonal seed orchard of 69 6hm 2(4m apart in the row and 5m spacing between rows) was constructed in Maguan county of Yunnan province in 1987 These Chinese fir seedlings were topping medulla cambium grafted which protected by covering with covers from 1991 to 1993 This paper also introduced a series management techniques on this Chinese fir clonal seed orchard such as untying cover and removing bud, loosing tie and putting grafted plant upright, pruning, regeneration grafting, tending and fertilizing, disease and pest control, removing fresh cone etc