马尾松容器苗不同苗龄和造林时间试验研究

Afforestation Experiment Using Different Seedling Ages and Planting Time of Pinus massoniana Container Seedlings

针对2008年南方雨雪灾害后马尾松林地急需造林更新(非春季造林)的现状,研究了苗龄和造林时间对马尾松容器苗成活率的影响。结果表明,随苗龄的增加,马尾松成活率逐渐降低,3个月的幼苗造林当年成活率可达96.1%,而10个月的幼苗造林成活率仅为78.2%;不同的造林时间也对马尾松成活率有重要影响,7月下旬造林成活率普遍高于6月中旬和9月中旬造林。

Pinus massoniana forest in many areas of the south China were damaged by the rain and snow disaster in 2008, so many damaged slash needed to afforestation （ non-spring afforestation ）, the effect of seedling ages and planting time on survival rate forPinus massoniana container seedlings were investigated in this study. The results show that the survival rate of P. massoniana decreased with the increasing seedling ages, survival rate of 3-month seedlings was up to 96.1% in first year after afforestation, it was only 78.2% for the 10-month seedlings. Planting time also had an important effect to seedlings＇ survival rate, and in general, the survival rate was higher when seedlings were planted in late July than in mid-June and mid-September.