马尾松扦插育苗及造林效果的研究

1994—2001年在福建省邵武市进行马尾松扦插育苗及其造林试验,结果表明:采穗圃剪顶促萌时间以7月25日至8月10日、剪顶高度在8cm为宜,每公顷可产600万根合格的穗条。培育扦插苗可先于12月15日至翌年1月15日在沙床寄插,然后于3月20日至4月10日移植到苗圃培育,平均苗高可达22 6cm,地径0 44cm,当年可出圃造林。用此扦插苗造林,5年生幼林的生长量与生物量均优于对照(实生大田苗造林),各项生长指标差异的趋势基本一致,即扦插苗>容器苗>大田苗。试验表明马尾松扦插苗是可以用于生产性造林的。

A Study on Cuttage Seedling-Raising of Masson Pine and Its Afforestation Effect

Experiment on cuttage seedling-raising of Pinus massoniana and it's afforestation which was established in Shaowu,Fujian was made from 1994 to 2001.The study indicated that the optimum period for beheading cuttage seedlings in orchard was July 25 to Aug.10, the optimum height of cuttage seedlings to be beheaded to was 8 cm, and the orchard had a production capacity of 6 million standard cuttage seedlings per hectare.The cuttage seedlings were planted in sandy bed from Dec.15 to Jan.15 and then transplanted to the orchard from March 20 to April 10. Cuttage seedlings averaged 22.6 cm in height and 0.44 cm in ground diameter and could be used for afforestation at the same year. The 5-year-old young stand growing out of those cuttage seedlings was superior to CK(field seedlings) in growth volume and biomass and about the same in the tendency of the main growth indexes differentiation-that was, cuttage seedlings>containerized seedlings>field seedlings.Therefore,cuttage seedlings were capable of being applied in commercial afforestation.