About ForestryForestryReview of Illustrated Encyclopedia of Trees- June 29, 2008 David More, illustrator of The Illustrated Encylopedia of Trees, paints himself a tree masterpiece. With John White's accompanying text, Mr. More exhibits the most important ornamental trees on this...http://forestry.about.com/b/2008/06/29/review-of-illustrated-encyclopedia-of-trees.htm Exposure to Posion Ivy and Posion Oak- June 28, 2008 Poison ivy and poison oak are toxic plants that commonly grow in the United States and Canada. They are members of the plant family called Rhus. These plants are...http://forestry.about.com/b/2008/06/28/exposure-to-posion-ivy-and-posion-oak.htm The "Catawba" Tree, North Vs. South- June 27, 2008 The catalpa tree's name (Catalpa sp.) made it into English and Latin via Creek indian tribal language describing the tree's flower. Folks in the southern United States prefer to pronouce...http://forestry.about.com/b/2008/06/27/the-catawba-tree-north-vs-south.htm Bacterial Wetwood (Slime Flux Disease)- June 26, 2008 Question: I live in New Jersey and I have an old white oak in my back yard. Recently I have noticed some sap "weeping" out of the...http://forestry.about.com/b/2008/06/26/bacterial-wetwood-slime-flux-disease.htm A Photo Index of the Most Common Harmful Tree Insects- June 25, 2008 I have created a photo index page for major North American tree insects that infest both conifers and hardwoods. The index is not exhaustive but covers the more important and...http://forestry.about.com/b/2008/06/25/a-photo-index-of-the-most-common-harmful-tree-insec... Guide to Propagation of Trees from Seed- June 20, 2008 Trees use seeds as their principal means of establishing the next generation in the natural world. A fascinating but poorly understood chain of events have to happen perfectly to start...http://forestry.about.com/b/2008/06/20/propagation-of-trees-from-seed.htm The Leaf - A Tree's Most Important Organ- June 18, 2008 Leaves manufacture a tree's food. Powered by sunlight, the green substance in leaves, called chlorophyll, uses carbon dioxide and water to produce life-sustaining carbohydrates. This is that wonderful and life-sustaining...http://forestry.about.com/b/2008/06/18/the-leaf-a-trees-most-important-organ.htm Mockernut Hickory - A Stately Beauty, A Standout Forest Product- June 17, 2008 The mockernut hickory is a tall, stately tree that primarily lives in dry, upland forests. It is one of the most common hickories in North America. The largest specimen known...http://forestry.about.com/b/2008/06/17/mockernut-hickory-a-stately-beauty-a-standout-fores... Leaf and Twig Gall - Prevention and Control- June 15, 2008 Leaf infections called "galls" are bumps or growths caused as a result of the feeding and other activity of insects or mites. One particularly common version of this rapid explosion...http://forestry.about.com/b/2008/06/15/leaf-and-twig-gall-prevention-and-control.htm Plant Privet With Caveats- June 14, 2008 David Beaulieu, About's Landscaping Guide describes how to plant privet hedge with several caveats: they are poisonous; they are not evergreen in the North; they are not very attractive; they...http://forestry.about.com/b/2008/06/14/plant-privet-with-caveats.htm |