Article Per Year (5 Year)
p-Index From 2021 - 2026
0.61
P-Index
This Author published in this journals
All Journal JBIO: jurnal biosains (the journal of biosciences) Jurnal Agrotek UMMat Biosel: Biologi Science and Education Bioscientist : Jurnal Ilmiah Biologi Perbal : Jurnal Pertanian Berkelanjutan
Sembiring, Albert
Department Of Horticultural Agribusiness, Politeknik Wilmar Bisnis Indonesia
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Education Energy Environmental Science Immunology & microbiology Medicine & Pharmacology Social Sciences

Published : 6 Documents Claim Missing Document
Claim Missing Document
Check
Articles

Found 2 Documents
Search
Journal : Jurnal Agrotek UMMat

 1 
ISOLASI BAKTERI PENGHASIL ASAM INDOL ASETAT (AIA) DAN PENGARUHNYA TERHADAP VIABILITAS BENIH CABAI MERAH Albert Sembiring; Natalia Lusianingsih Sumanto
Jurnal Agrotek Ummat Vol 8, No 1 (2021): April 2021
Publisher : Universitas Muhammadiyah Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31764/jau.v8i1.4153

Abstract

Plant growth-promoting rhizobacteria are names that contribute directly or indirectly to plant growth. This group of bacteria will stimulate plant growth through the synthesis of phytohormones (bio-stimulant). Indole acetic acid (IAA) plant endogenous auxin is one of the phytohormone type that these bacteria can generate. IAA has functions for root elongation, cell division and plant growth and development differentiation. This research aims to obtain possible isolates that can generate IAA to optimize the viability of germinating red pepper seed. Bacteria have been isolated by serial dilution spread of Nutrient agar medium was incubation over a 24-hour period at 28oC (room temperature). The amount of IAA was measured by spectrophotometric analysis, selected isolate on the basis of the results, used to encourage the germination of red pepper seed. Ten out of sixteen bacterial isolates could produce IAA in the range of 7.96 ppm - 47.23 ppm. The RC 3 isolate produced the highest IAA while the RC 12 was the other way round. The isolate chosen using this experiment showed an increase in the viability of red pepper seed compare seed germination to 33%, growth spontaneity 37%, vigor index 10%, growth rates 6% and max. growth 13%. IAA isolates could therefore increase the viability of red pepper and got potential of a biofertilizer component.
PENGARUH MEDIA TANAM TERHADAP PERTUMBUHAN STEK STEVIA (Stevia rebaudiana B.) Natalia Sumanto; Albert Sembiring
Jurnal Agrotek Ummat Vol 8, No 1 (2021): April 2021
Publisher : Universitas Muhammadiyah Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31764/jau.v8i1.4156

Abstract

Stevia (Stevia rebaudiana R.) is a shrub that is widely used as a natural sweetener. Stevia is a natural sweetener that contains stevioside and rebaudioside A that is 300 times higher, not carcinogenic, and low in calories as a sweet taste than cane sugar. This value is a chance to make stevia sugar as a cane sugar companion. The aim of this study is to measure the effect of growing media on stevia cuttings' growth. This test was undertaken by randomized complete block design (RBD) with 6 treatments and 3 replications in the PoliteknikWBI Practice Laboratory. In order to assess the effect of each treatment. The data obtained were analyzed using analysis of variance at P<5%. The results of the research indicated that the mixed media of humus soil and litter compost (P4) provided the highest values for the observed parameters; the height of the stevia cuttings was 49.50 cm, had 222.76 leaves, the fresh leaf weight was 24.98 g, the total of fresh weight and dry weight was 49. 72 g and 21.70 g, respectively. From the results of this study, it can be concluded that the suitable planting medium for stevia propagation using shoot cuttings is a mixture of humus soil and litter compost with a ratio of 1: 1.
Co-Authors Ardian Elonard Natalia Lusianingsih Sumanto Natalia Sumanto