摘要
对樟木头林场引种的 4种松树及马尾松 7年生林分的生长状况进行调查。结果表明 :加勒比松巴哈马变种在 7年生的生长最好 ,树干通直 ,圆满度较大 ,自然整枝良好 ,材积生长量大 ,抗性强 ,适生性广 ;加勒比松洪都拉斯变种和湿地松具有良好的冠形和干形 ,有一定的生长潜力 ;而马尾松的树高生长虽然较快 ,但自然整枝较差 ,树干不通直 ,且虫害较严重 ,抗性差 ;加勒比松古巴变种的抗逆性差 ,生长速度慢 ,三级木比例大 ,适生性较差。
An investigation was conducted about 5 pine species of 7 year old stand at Zhangmutou Forest Farm. The results showed that the growth of Pinus caribaea var. bahamensis Berrett et Golfari was the best one. It has straight bole, high fullness, good natural trimming, fast growth of volume, great resistance and good adaptability. P. caribaea var. hondurensis Barrett et Golfari and P. elliottii developed good shape of canopy and bole and showed some growth potentiality. P. massoniana showed fast height growth but poor natural trimming ,crooked bole, low insect pest resistance. P. caribaea var. caribaea had slow growth and poor resistance, low adaptability and the proportion of the third class trees was high.
出处
《广东林业科技》
2003年第1期22-26,共5页
Forestry Science and Technology of Guangdong Province
关键词
松树
适生性
品种
造林树种
生长量
Pinus caribaea var. caribaea , P. caribaea var. hondurensis , P. caribaea var. bahamensis , P. elliottii , P. massoniana , growth, adaptability
