太子山林管局引种广东的马尾松已有18年,现保存中幼林4.2万亩,一般生长良好。据1975年12月29日调查,1958年栽的广东马尾松平均高7.78米,平均胸径17.46厘米;优势木高10.5米,胸径24厘米。与湖北马尾松比较,广东马尾松不仅在形态上有明显差异,而且具有生长迅速、树干通直圆满、抗虫力强等 Taizishan Forest Authority introduced the masson pine in Guangdong for 18 years, now saving 42,000 mu of young and middle-aged forests, and generally grow well. According to a survey conducted on December 29, 1975, the average mass production of Pinus massoniana in Guangdong in 1958 was 7.78 meters and the average diameter at breast height was 17.46 centimeters. The dominant wood was 10.5 meters high and the diameter at breast height was 24 centimeters. Compared with the massoniana massoniana in Hubei Province, the massoniana massoniana not only has the obvious difference in morphology, but also has the rapid growth, the straight trunk, the insect resistance and so on