促进华北落叶松母树林结实措施探析

Analysis on Measures for Promoting Seed Setting of Larix principis-rupprechtii Seed Stands

对内蒙古巴林左旗乌兰坝林场国家级良种基地华北落叶松母树林采取树体环剥、疏枝、断根等不同的技术措施,探讨这些技术措施对促进母树林结实的影响,为经营华北落叶松母树林提供科学的理论依据。

Different measures,such as girdling,shoot thinning and root cutting,have been done to Larix principis-rupprechtii seed stands in national fine variety base of Wulanba Forest Farm,the technical measures for promoting seed setting of seed stands have been discussed in order to provide the scientific theory basis for management of Larix principis-rupprechtii seed stands.