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All Journal Formosa Journal of Science and Technology (FJST)
Anre Meyksen Sinambela
Department of Agriculture, Universitas Methodist Indonesia
Humanities Computer Science & IT Education Industrial & Manufacturing Engineering Social Sciences

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Effect of H2SO4 Concentration and Seed Soaking Time on Breaking Dormancy of Rubber Seeds (Hevea Brasiliensis Muell. Arg.) Meylin Kristina Saragih; Lince Romauli Panataria; Anre Meyksen Sinambela; Efbertias Sitorus
Formosa Journal of Science and Technology Vol. 5 No. 7 (2026): July 2026
Publisher : PT FORMOSA CENDEKIA GLOBAL

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55927/fjst.v5i7.105

Abstract

Rubber seed dormancy limits uniform germination due to a hard seed coat. This study aimed to evaluate the effect of H₂SO₄ concentration and soaking time on germination performance of Hevea brasiliensis. A factorial Completely Randomized Design was used with three concentrations of H₂SO₄ (1%, 2%, 3%) and three soaking durations (10, 15, 20 minutes). Observed parameters were germination percentage, germination time, and number of normal seedlings. Results showed that both factors and their interaction significantly affected all parameters. The 3% H₂SO₄ combined with 20-minute soaking produced the highest germination and normal seedlings and the fastest germination time. In conclusion, chemical scarification using 3% H₂SO₄ for 20 minutes is the most effective treatment to break dormancy and improve rubber seed germination
Co-Authors Efbertias Sitorus Lince Romauli Panataria Meylin Kristina Saragih