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Journal : BUANA SAINS

PENGARUH POSISI PEMOTONGAN BAHAN STEK DAN PEMBERIAN EKSTRAK BAWANG MERAH TERHADAP PERTUMBUHAN STEK TANAMAN STEVIA (Stevia rebaudiana B.) Khaerunnisa, Mahdelia Alyaa; Karno, Karno; Kristanto, Budi Adi
BUANA SAINS Vol 23, No 3 (2023)
Publisher : Universitas Tribhuwana Tunggadewi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33366/bs.v23i3.6045

Abstract

This research aimed to determine the effect of cutting position and the concentration of onion extract as a natural hormone on stevia stem cutting propagation. This study used a Factorial Completely randomized design in which the first factor was Apical Cutting (P1), Middle cutting (P2), and Bassal Cutting (P3), and the second factor was control (R0), shallot extract concentration 25% (R1), shallot extract concentration 50%(R2), shallot extract concentration 75% (R3), shallot extract concentration 100% (R4) and Rootone F 25 ppm (R5). The position of cutting has significantly resulted in Times of bud growth, number of roots, number of leaves, and plant height. The concentration of shallot extract has significant results in times of bud growth, number of roots, length of root, number of leaves, plant height, weight of plant, and weight of dry plant. The best performance was apical cuttings and shallot extract concentration of 100%.
RESPON MORFOLOGI DAN PRODUKSI TANAMAN KEDELAI (Glycine max L.) TERHADAP PENGGUNAAN BERBAGAI DOSIS ASAM SALISILAT DALAM CEKAMAN SALINITAS Narayana, Ramadhan Cakra; Anwar, Syaiful; Karno, Karno
BUANA SAINS Vol 23, No 3 (2023)
Publisher : Universitas Tribhuwana Tunggadewi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33366/bs.v23i3.5731

Abstract

This study aimed to examine the effect of exogenous salicylic acid treatment and salinity stress on the morphology and seed yield of soybeans (Glycine max L.). The experimental design used a completely randomized design factorial with four replications. The first factor was Salicylic Acid with four different dosages, namely 0 ppm, 100 ppm, 200 ppm, and 300 ppm. The second factor was Salinity Stress with two levels, 0 dS/m, and 5 dS/m. The observed parameters were root volume, plant height, total leaf area, root shoot ratio, and seed weight. The result showed that plant height, total leaf area, root volume, and root-shoot ratio were not significantly affected by salicylic acid treatment. Seed weight showed an increase in salicylic acid treatment. Salinity stress reduced all morphological size and seed yields of soybeans significantly.