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马尾松是一种耐干旱脊薄的先锋造林树种,主要分布在山中上部、山脊、河岸边、道路旁。我国南方14个省区的森林中,它的蓄积量占50%。在福建,据74年调查,它占全省森林蓄积量的59.6%。马尾松全身是宝,各地群众都很喜欢栽培。可是,马尾松在速生期,往往会受马尾松毛虫危害,严重地影响成林成材。57年,福建受马尾松毛虫危害面积达280多万亩,按其危害程度推测,每亩损失木材0.1836米~3,共失去木材514080米~3。72年,南方14个省
Pinus massoniana is a pioneer tree species tolerant to drought and ridges, mainly distributed in the upper part of mountains, ridges, river banks and roads. In the forests of the 14 provinces and autonomous regions in southern China, its stockpiles account for 50%. According to the 74-year survey in Fujian, it accounted for 59.6% of the province’s total forest stockpiles. Masson’s body is a treasure, people everywhere like cultivation. However, Pinus massoniana in fast-growing period, often by Masson pine caterpillar harm, seriously affecting the timber. 57 years, Fujian by Masson pine caterpillar harm area of more than 280 million mu, according to the extent of its damage, loss per mu of wood 0.1836 m ~ 3, a total loss of wood 514080 m ~ 3.72 years, the southern 14 provinces