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

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

5. Classification of Trees

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

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

8. Uses oftrees

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

10. Fruit TreesProvides food

11. MedicinalTrees
• Sources of
substances that
are used to treat
some ailmentsMedicinalTrees
MedicinalTrees
Banaba Tree

12. OrnamentalTrees For shade
For beautification remedies

13. The Lumber Industry

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

15. CUTTINGFelling and cutting of trees into logs and
transporting into the mill

16. 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.

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

21. Pterocarpus indicus

22. • 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.

23. • 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