Dendrology the study of trees

1. Technology and Livelihood Education Agricultural Arts Dendrology t he study of trees

2. Arboriculture The study of cultivating trees and shrubs Arboretum is a place where different kinds of trees are exhibited.

3. Classification of Trees

4. Gymnosperms Produces seeds without protective covering. They are those also called soft wood. Pines trees

5. Angiosperm Flowering plants that produce seed. They are called hardwood. Examples: Acacia, Nara

6. Uses of trees

7. Forest Trees Source of Timber Use to build houses. Reforestation

8. Fruit Trees Provides food

9. Medicinal Trees Sources of substances that are used to treat some ailments Medicinal Trees Medicinal Trees Banaba Tree

10. Ornamental Trees For shade For beautification remedies

11. The Lumber Industry

12. Lumbering The process of bringing down trees in the forest. It is divided into two major activities Cutting & Milling

13. CUTTING Felling and cutting of trees into logs and transporting into the mill

14. Milling Logs are sewed into lumber and seasoned until they are suitable for use . May be seasoned by air or kiln drying to prevent it from wrapping and stop the growth of fungi and other insects.

15. Plywood Thin sheets of glued wood panels with a top layer of veneer. Veneers are bound with glues or plastic substances called synthetic resins.

16. Laminated Wood Made of two or more layers of wood bound together by a synthetic resins Used as arches, church, airplanes and bridges.

17. Fiber board A sheet made of vegetable. Used as insulating material in buildings

18. Pterocarpus indicus

19. It is a large deciduous tree growing to 30–40 m tall, with a trunk up to 2 m diameter. The leaves are 12–22 cm long, pinnate, with 5–11 leaflets, the girth is 12-34 m wide. The flowers are produced in panicles 6–13 cm long containing a few to numerous flowers; flowering is from February to May in the Philippines,The hardwood, which is purplish, is termite resistant and rose-scented.

20. The flower is used as a honey source while leaf infusions are used as shampoos. Both flowers and leaves were said to be eaten. The leaves are supposedly good for waxing and polishing brass and copper. It is also a source of kino or resin