SELEKSI POHON PLUS PADA AREAL TEGAKAN BENIH IUPHHK-HA PT. SUKA JAYA MAKMUR KALIMANTAN BARAT
ABSTRACT: The availability of
quality seed is an important factor in planting activities both in natural forests
and forestplantations. Knowledge about the source of seed or the parents tree
is an important part to getting good quality seeds.The aims of this study was
to establish plus tree that haave several adventages phennnotype, such as grand
in diameter,total height, branch free trunk, trunk straighness and surface,
wide canopy, and the health of the tree as the the seed-producing trees.This
research was conducted by the method of exploration, which is purposive sampling
data retrieval using plus tree selection method. This method uses the
comparison tree as a basis for determining candidate plus trees.The object of
this study is that individuals mature trees with a diameter of at least 20 cm
from other types of prospective (Dipterocarpaceae) contained in the Areal of
Seed Stands. According to the research there are 49 candidates plus trees, 9
individuals of tree with the highest scores on a plot 92 YY32 km 128 Areal Seed
Stand PT. Suka Jaya Makmur West Kalimantan. Assessment is the percentage difference
and a score between plus trees with tree comparison, the result tree top with a
score 92 found in tree numbers 91, 101, 122, 131, 134, 145, 179 tree species
Shorea laevis, tree number 115 trees Shorea leprosula , tree number 153 trees
Shorea parvifolia, the total height of a tree with a score of 20, bole height
with a score of 15, the diameter of the stem with a score of 30, wide canopy
with a score of 10, the surface of the rod with a score of 5, the alignment of
the rod with a score of 7, and health tree with a score of 5.It means that most
parent trees that exist in the area of stands Seed PT.Suka Jaya Makmur feasible
to set as the Plus tree.
Keywords: Dipterocarpaceae,
Plus Tree, Selection, The Area of Seed Stands
Penulis: Juanda, Abdurrani
Muin, Reine Suci Wulandari
Kode Jurnal: jpkehutanandd170106
