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All Journal BIOVALENTIA: Biological Research Journal
Firdaus Sulaiman
Department of Agronomy, Faculty of Agriculture, Sriwijaya University. Jalan Raya Palembang-Prabumulih km 32, In-dralaya, Indonesia.
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Environmental Science Immunology & microbiology Medicine & Pharmacology

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GROWTH AND YIELD OF RUBBER TREE (Hevea brasiliensis) CLON PB260 FROM DIFFERENT OF WEED ECOSYSTEM Habibulloh; M. Umar Harun; Firdaus Sulaiman
BIOVALENTIA: Biological Research Journal Vol. 9 No. 2 (2023)
Publisher : Biology Department, Faculty of Mathematics and Natural Sciences, Sriwijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24233/biov.9.2.2023.421

Abstract

Community rubber tree plantations in Indonesia are the main source of national natural rubber production and a source of income for farmers. Low rubber price has limit farmers' ability to control weeds using herbicides and mechanically. This situation causes the formation of three ecosystem conditions based on the level of weed growth, namely well-maintained plantations, shrubs on rubber plantations, and forests on rubber plantations. Therefore, this research studied and compared tree growth and rubber yields from three of weed ecosystems. Field research was designed using a Randomized Block Design (RBD) with three ecosystems as treatments and three replications. Three plots of size (10 m x 10 m) were made for each weed ecosystem in the rubber plantation, and three sam-pling rubber trees were selected so that the number of rubber trees observed was 9 trees for each ecosystem. Based on ANOVA, it showed that the weed ecosystem had a significant effect on the yield of rubber trees. Trees maintained well had the highest lumps (537 kg/6monts/ha), not significantly different from forested rubber trees (478 kg/6monts/ha. The dominant weeds in each ecosystem were Hevea brasiliensis and Acacia auriculiformis. Forested plantations had higher yields relatively more stable, producing lumps per week of 107.55 g/tree to 188.15 g/tree.
Co-Authors Habibulloh M. Umar Harun