Th des Qualit
months, st
1. Sa
Se were selec
site was lo obtained f
Th 7 years ol
11m, and Sengon an
a. his research
té du Bois, tarting from
ample Prep
ngon Para cted from th
ocated at Su from a plant
he s ample tr
ld. Sengon a diameter
nd 38cm for
3 MATE
Location
was carried INRA Cha
m February 2
T aration
aserianthes he plantatio
ukabumi reg tation forest
rees having and Jabon h
r at breast h r Jabon.
Figure 2 a
ERIALS AN
n and Perio
d out at Lab ampeneux, N
2013 to July
ools and M
falcataria on site as rep
gion, West J t planted by
straight ste had a heigh
height level
Sengon Tre
ND METH
od of Resea
oratory of W Nancy, Fran
y 2013.
Materials
and Jabon presentative
Java, Indon y community
ems and bot
ht of branch l 1.3m abo
b.
ee; b Jabo
HODS
arch
Wood Quali nce. The stu
n Anthocep e specimens
nesia. The sa y in 2005.
th of sengon h-free stem
ove ground
on Tree ity Labora
udy lasted fo
phalus cada s. The plant
ample trees
n and jabon range from
level 36cm
toire or six
amba tation
were were
m 8 to m for
After felling the trees, one disk from log section in length of 2m bottom part and 6m upper part was taken from each tree of the tree stem. The juvenility
sample disks Figure 3 were cross cut from the middle part of the sample logs and prepared from pith to bark through using a band saw. The sample were also
resawed in 2mm thick from pith to bark for specimens of density with microtomography method specimen A and 20mm for specimen of anatomical
measurements specimen B. Considering that distinct growth rings are absent both in Jabon and Sengon trees, segmented ring was considered to be practically
useful for characterizing variation and patterns of variation along the tree radius. A specified width of segmented rings 1cm was made from pith to bark and
numbered consecutively Figure 3.
Figure 3 Sample Preparation
2. Density Measurement Microtomography Method
Density profiles from pith to bark were measured using X-ray densitometer from the Xylosciences platform of the INRA-Lorraine center in
Champenoux, France. The specimen A Figure 4 were air-dried ±12 and scanned to estimate the air-dried wood density for each segmented ring from the
pith to bark. Each segmented ring 1cm from pith to bark was determined based on the intra-ring microdensitometric profiles. In this study, wood density is
expressed in gcm
3
.
Figure 4 Sample of density measurement
3. Anatomical Measurements
Kategori