The Research Of Broadleaved Tree Seed Garden Building Technique In Changbai Mountain

The researching report summarizes that in the long-term course of natural selection, the valuable broadleaved tree seeds in Changbai Mountain Forest-Fraxinus mandshuric Rupr, Juglans mandshurica Maxim, Yellow Pineapple, Quercus mongolica Fisch, generate the seeds and individuals of different hereditary structure, and these fine individuals show great increasing benefit of heredity in the forest building. Through the analysis of the growing condition of natural woods and advancing man-made woods Fraxinus mandshuric Rupr, Juglans mandshurica Maxim, Yellow Pineapple, basswood, oak in Changbai Mountain forest and the conditional relationship constructing, woods technique, present condition of seed garden and other relative materials, the report puts forward a whole set of building techniques for seed garden of the first generation, such as the building land selection of Fraxinus mandshuric Rupr, Juglans mandshurica Maxim, Yellow Pineapple, Quercus mongolica Fisch, the excellent selecting way of natural woods and man-made woods, instant zone, the growing of shifting plants, non-sexual system or family supply, tree management, flowery power management, soil management and prevention and cure of main disease, worms and mice defection. This subject research has a pragmatic meaning to guide seed garden designing construction of valuable broadleaved tree in Changchai Mountain Forest District of Jilin Province.