Evaluation on Utilization Potential of

Melaleuca cajuputi Powell

By Somchai Benjachaya

Tawat JurayutPhornphimon Amornchot

Laksamee SuthiwilairatanaCharat Chuayna

Bounsong SompohWichit Sonthivanit

Royal Forest Department

Material and Method

Material and Method

• Surveying of local utilization• Air seasoning• Basic characteristics• Lumbering• Wood working• Plywood manufacturing• Charcoal production

Results and Discussion

Results and Discussion

• Data surveying : Sampling of t est logs

• Defect of lumber : Density, Specific gravity

• Air seasoning : Lumbering• Wood working : Wood carving• Plywood manufecturing : Charcoal production

General Data

• Local people ut ilization by size a

nd age of M. cajuputi

• Wood Preservat ive by local peop

le

• Bark of M. cajuputi usage

• Leaves of M. cajuputi usage

• Problem of M. cajuputi

• -3Small, dbh 5 ins, for air se

aaaaaaa aaa aaaaaaaa• - aaa aaaaa aaaaa, 61 2 , aaa aaaa aaa, ,vi ng

• aaa aaa, >1 6 , wood manuf ect

ur i ng

Sampling of test logs

• Studied M . cajuputi w

as less fung i, insect, an d defects th

an other speci es

• All of knot s were soun d knot

Defects of Lumber

• M. cajuputi density was

-58047. 68259.

kg/m 3 at1 4 .8- 71506.

% MC

• The average specific gravit

05y was .9

Density, Specific gravity

Air seasoning

• Weight of M. cajuputi

decrease 18 8% after

days

• Surface of cross and lo

ngitudinal o f log splitte d continuou

sly.

Lumbering

• By chain s aw altogeth

er circular s aw with rot

or of a plow 362, it was .

5% yield.

• The estim ated price i

s 6 ,0 0 0- 9 000,Baht/m3

Wood working

• M. cajupu ti was eas y for nalin g, screwin g, sawing,

cutting, sa nding, drill

ing, lathin g, and fini

shing

Wood carving

• M. cajuputi was toughne

ss and spiralgrai n

• M. cajuputi was worse th

anTeakwoodb ut better tha

n Rain tree f or carving

• M. cajuputi was difficult

to boil or tra nsfer heat.

• M. cajuputi has spiral gr ain, and uns

ound knot.

• M. cajuputi give low qua

lity and price for plywood.

Plywood manufecturing

Charcoal production

• Local brick b eehive kiln, y

ielded 29.09 %, kilning

time 5.2 days

• Standard RF D brick beehi ve kiln,

yielded 30.76 %, kilning t

ime 2.6 days