The Growth Response of Gmelina arborea Roxb. by Growth Stimulant at Nursery Permanen Dramaga IPB RESPON PERTUMBUHAN BIBIT Gmelina arborea ROXB TERHADAP PENAMBAHAN Growth Stimulant DI PERSEMAIAN PERMANEN IPB

Arif Irwansyah; Yadi Setiadi; Basuki Wasis; Noor Faiqoh Mardatin

doi:10.29244/j-siltrop.7.2.%p

Arif Irwansyah Institut Pertanian Bogor
Yadi Setiadi Institut Pertanian Bogor
Basuki Wasis Institut Pertanian Bogor
Noor Faiqoh Mardatin Institut Pertanian Bogor

DOI: https://doi.org/10.29244/j-siltrop.7.2.%25p

Abstract

The objective of this research was to study the growth response of G. arborea seedling with growth stimulant at nursery seedling area. Three months of age seedlings were selected and used. The research was conducted three concentrations of BioNature-50 in completely randomized design with 3 replications.. The best results for G. arborea was reached on GSA-1 (1,21 liter BioNature-50 dissolved into 15 liter water). The parameter on plant such as height, stem diameter, and shoot root ratio were significantly affected.

Key words: BioNature-50, concentration

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Author Biographies

Arif Irwansyah, Institut Pertanian Bogor

Mahasiswa pascasarjana program studi Silvikultur Tropika, Sekolah Pascasarjana IPB, Kampus Darmaga Bogor-16680.

Yadi Setiadi, Institut Pertanian Bogor

Staf pengajar Departemen Silvikultur, Fakultas Kehutanan, IPB, Kampus Darmaga Bogor-16680.

Basuki Wasis, Institut Pertanian Bogor

Staf pengajar Departemen Silvikultur, Fakultas Kehutanan, IPB, Kampus Darmaga Bogor-16680.

Noor Faiqoh Mardatin, Institut Pertanian Bogor

Staf Peneliti PAU Bioteknologi, IPB