湿地松具有生长快、材质好、产脂多、抗松毛虫能力强等优点,目前已成为我国南方十五个省、区的重要造林树种之一。但是,人们在生产中也发现,在一些性状上湿地松单株间表现出很大的差异,林相多不整齐。也就是说,湿地松在系统发育过程中,由于自然选择的结果,使种内不同个体产生了一些明显的变异,分化为不同的类型。为给森林改良和选优育种提供依据,我们进行了湿地松类型的调查研究。 Slash pine has the advantages of fast growing, good material, rich fat, strong ability to resist caterpillar, etc. It has become one of the important afforestation species in fifteen provinces and autonomous regions in southern China. However, people also found in production, in some traits, there is a big difference between individual plants of Pinus elliottii and the forest is more irregular. In other words, Slash pine in the system development process, due to the results of natural selection, so that different individuals within the species had some obvious variation, differentiation into different types. In order to provide the basis for forest improvement and selection and breeding, we conducted a survey on the types of Pinus elliottii.