Detail Hasil Pencarian

Judul :
Pengaruh Hasil Dekomposisi Seresah Mahoni (Swietenia macrophylla King.) Terhadap Perkecambahan Biji, Infeksi M1koriza Vesikular-Arbuskular Dan Pertumbuhan Bibit Akasia (Acacia mangium Wild.)
Pengarang : Elis Tambarn dan Santosa
Jurnal : Teknosains 1999, XII(1)
Tahun : 1999
Summary / Kata Kunci : ABSTRACT
The aims of the study were to know the effects of phenolic compounds released from decomposed mahogany leaf litters on acacia seed germination, acacia seedling growth, root infection of vesiculararbuscular mycorrhizae ( VAM ), and phosphate absorption.
The experiments were carried out using factorial completely randomized design, with four replicates. The first factor was the volume of mahogany litters, i.e. ; So = 0 gram , Si = 5 gram , Sz = 10 gram , and S3 = 15 gram . The second factor was time of decomposition, i.e. ; D2 = 2 weeks, D3 =3 weeks and D4 = 4 weeks respectively. The data were analyzed using. ANOVA followed by DMRT at a = 0,05.
The results showed that germination of acacia seeds were inhibited by decaying mahogany leaf lifters, which produced high concentration of phenolic compounds. Phenolic compounds concentration increased as time of decomposition increased and reached a maximum at three weeks decomposition. Decomposed leaf litter application on the soil, inhibited acacia seedling growth, VAM infection percentage, and phosphorus absorption.

Key words : Decomposition, germination, vesicular-arbuscular mycorrhizae, Acacia mangium.
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