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
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• 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
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