季节对芳樟规模化大田扦插育苗的影响研究

摘要

规模化大田扦插育苗试验和SPSS分析表明:扦插季节对芳樟大田扦插的成活率及苗高、地径和侧根生长影响显著；成活率7、8月份最高,9月份最低；扦插苗当年长缓慢,但第二年显著加快；一年生苗木中,4、5月份扦插苗的地径、苗高和侧根生长显著高于6、7、8、9月份的扦插苗,扦插后加强肥水和田间管理,4、5月份扦插苗当年能够达到上山造林苗木标准；芳樟规模化大田扦插育苗以4、5和8月份为宜.%The analysis on large scale field cutting seedings and SPSS shows:seasons have significant effects on the survival rate,stem height,ground diameter and lateral root growth of Cinnamomum camphora' s field cutting seedings;the survival rates reach the highest level in July and August,and hit the lowest level in September;the cutting plants grow slowly in the current year,but their growth rate increases significantly in the next year; among annual plants,those cut in the cutting season in April and May have significant larger stem height and lateral root growth rate,and wider ground diameter than those cut in June,July,August and September;with proper fertilization and field management,plants cut in the cutting season in April and May can reach the criteria of afforestation in the current year.This study also finds that the best months for Cinnamomum camphora's field cutting seedings are April,May and August.