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Journal : Ecobios Journal of Environmental Science

Analysis of Allelopathic Content in Acacia auriculiformis and Melia azadirachtah on Mung Bean Germination Firman Ali Rahman; Taufik Arianto; Tabitha Sri Hartati Wulandari; Sulistijorini
Ecobios Journal Of Environmental Science Vol. 1 No. 2 (2024): December 2024
Publisher : Yayasan Tajuk Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.71024/ecobios/2024/v1i2/20

Abstract

This study aims to analyze the effect of allelopathy from leaf extracts of Acacia auriculiformis and Melia azadirachta on the germination of mung beans (Vigna radiata). Alleleopathy is a biological phenomenon in which chemical compounds released by certain plants affect the growth and development of other plants. This study used an experimental method with various concentrations of leaf extracts of the two tree species (0%, 10%, 20%, and 40%). The parameters observed included germination percentage, growth rate, root length, and mung bean bud length. The results showed that the increase in the concentration of Acacia auriculiformis and Melia azadirachta leaf extracts  significantly inhibited the germination process and early growth of mung beans. Allelopathic compounds such as flavonoids, tannins, and total phenols are thought to be the main cause of the barrier. Growth and development in acacia leaf extraction (Acacia auriculiformis) showed that the growth and development of green bean seeds experienced rapid growth, even exceeding growth in the control treatment. The difference in concentration in the analysis of further tests of neem leaf extraction and acacia gave a quite significant effect, in acacia leaf extraction there was no major effect on germination, but in neem leaf extraction on green beans which was given a negative effect on germination which at a concentration of 40% was much slower compared to other concentrations.
Intraspecific Competition for Beans and Corn in the Green House of IPB University Bogor, West Java Taufik Arianto; Firman Ali Rahman; Muhammad Shohibul Ihsan; Hasan Basri; Sulistijorini
Ecobios Journal Of Environmental Science Vol. 1 No. 2 (2024): December 2024
Publisher : Yayasan Tajuk Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.71024/ecobios/2024/v1i2/21

Abstract

This study aims to analyze the intraspecific competition between peanuts (Arachis hypogaea) and corn (Zea mays) in a controlled environment in the Green House IPB University, Bogor, West Java. Intraspecific competition occurs when individuals of the same species compete with each other for limited resources, such as light, water, and soil nutrients. This study was conducted using a factorial experimental design, involving various levels of planting density in each species. The observed parameters include plant growth, biomass, competition index, and crop yield. The results showed that the interaction between peanuts and corn under intraspecific conditions affected the efficiency of resource use as well as the yield of each plant. These findings provide important insights for the management of mixed cropping patterns, especially in sustainable agricultural systems that prioritize land and resource use efficiency.