study on Mycorrhization of Pine in Nursery and Field by Cutting Primary Root Apex of Young Seedlings / 松树截根菌根化育苗和造林的研究

• Published in: Forest research (Beijing) Vol. 8; no. 5; p. 535
• Main Authors: 花晓梅, 刘国龙, 张效林, 余良富, 曾平生, 黄冬青
• Format: Journal Article
• Language: Chinese
• Published: Beijing Chinese Academy of Forestry 01.01.1995
• Subjects: Collars; Cutting; Cuttings; Ectomycorrhizas; Exudation; Fungi; Germination; Height; Nurseries; Seedlings; Survival
• ISSN: 1001-1498

Based on the principle that the exudation from root can stimulate the germination and growth of the mycorrhizal fungus,the method of growing pine seedlings by cutting their apexes off and inoculating with mycorrhizal fungus is proposed.The results show that the pine seedlings developed in this way can promote the development and growth of root system and ectomycorrhizae formation,increase the biomass of seedling and improve the quality and yield of plantable seedlings. The number and total length of lateral root,percent of seedlings with ectomycorrhizae,percent of feeding roots with ectomycorrhizae,height,root collar diarneter,fresh and dry weight increased,on the average,by 20.0%～960.O%,56.2%～389.5%,0.0%～400.0%, 56.2%～1792.0%,22.3%～179.3%,31.2%～253.3%,33.3%～918.2% and 21.8%～740.0% respectively,and with the survival rate of seedlings and percent of the first grade seedlings increased by 9.0%～22.1%and 49.3%～ 150.0% respectively and percent of the second, third grade, and cull seedlings decreased by 40.6%～77.3%