Backyard Farmer Backyard Farmer: Tree Planting and Diseases Special | 56m 58s | How to plant a tree with Jeff Culbertson and Loren Giesler talks about what to do with cankers on trees.

Pine is a coniferous tree in the genus Pinus, in the family Pinaceae. There are about 111 species of pines worldwide, although different authorities accept between 105 and 125 species.