UPSI Digital Repository (UDRep)
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Abstract : Universiti Pendidikan Sultan Idris |
Kajian ini berkenaan potensi inokulan terpilih terhadap penghasilan resin oleh
Aquilaria malaccensis Lam (pokok karas). Objektif utama penyelidikan ialah untuk menghasilkan
inokulan bagi mengaruh pokok karas untuk menghasilkan resin. Kawasan kajian terletak
di ladang karas Kampung Tambak, Slim River, Perak yang melibatkan sebanyak 36 pokok karas
berusia enam tahun. Inokulan yang telah dihasilkan dilabel sebagai A, B, C dan D, manakala
inokulan berlabel K merupakan inokulan komersil. Kumpulan kawalan dilabelkan sebagai N, merupakan
pokok sihat tanpa rawatan. Setiap pokok telah disuntik sebanyak 80 ml inokulan. Tempoh masa kajian
adalah selama 12 bulan. Penebangan pokok untuk setiap kumpulan bagi mendapatkan resin yang
terbentuk adalah pada setiap sela masa empat bulan. Pelarut organik; iaitu heksana.
diklorometana dan metanol telah digunakan untuk kaedah pengekstrakkan resin. Ekstrak mentah
resin telah dianalisis menggunakan mesin Gas chromatography–mass spectrometry (GC-MS).
Keputusan kajian menunjukkan kesemua inokulan yang dihasilkan berupaya mengaruh
pokok karas untuk menghasilkan resin. Berat resin bagi kesemua ekstrak menunjukkan
peningkatan peratusan daripada bulan ke-4 sehingga bulan ke-8 dan menurun pada bulan
ke-12. Analisis korelasi Pearson menunjukkan terdapat hubungan yang signifikan (p |
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