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4种北美松经10a造林试验,结果表明:生长量较大的是火炬松和晚松并且具有一定的抗虫性。抗寒性较强的是班克松和刚松,在山东省南部低海拔山地,可选抗寒性较强的火炬松种源和晚松进行大面积造林。
Four species of Pinus massoniana were reforested in 10 years. The results showed that Pinus densiflora and Pinus massoniana had the largest growth rate and had certain insect resistance. Strong cold hardy is Bancatsong and just loose, in the southern Shandong Province, low altitude mountain, optional cold hardy Pinus densiflora and late pine for large-scale afforestation.