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All Journal AGRIVITA, Journal of Agricultural Science Jurnal Riset Rumpun Agama dan Filsafat
Riko Riko
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Agriculture, Biological Sciences & Forestry Education Other

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Effect of Castanopsis megacarpa Extract on Mortality, Longevity Development and Feeding of Crocidolomia pavonana Larvae Edy Syahputra; Kukuh Hernowo; Riko Riko
AGRIVITA, Journal of Agricultural Science Vol 41, No 3 (2019)
Publisher : Faculty of Agriculture University of Brawijaya in collaboration with PERAGI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17503/agrivita.v41i3.2331

Abstract

As several reports of impacts arise due to the use of synthetic insecticides, the investigation for safer alternative insecticides should be continued. Using plant material that has several bioactivities is a promising way out to control insect pest. The objective of this study was to evaluate the effect of leaf and seed extract of Castanopsis megacarpa on mortality, longevity development and feeding preference of Crocidolomia pavonana larvae. Extraction conducted by infusion method. The bioassay assesment was carried out using the residual method. The concentration-mortality relationship was analyzed by probit. The antifeedant test was tested using choice and no-choice methods. Both extracts showed the same strong insecticidal activity, LC50 of 0.18% (leaf) and 0.12% (seed). Leaf and seed extracts at concentrations equivalent to LC50 and LC75 in both methods used showed consistent antifeedant properties. The antifeedant activity of extracts in the no-choice method at both concentrations showed a range of activities of 40.1%-53.7% (leaf) and 74.4%-82.7% (seed) extracts. The leaf and seed extracts of C. megacarpa did not significantly extend the larval development period. Plant material that has more than one bioactivity will be better for suppress the insect pest populations in the field.
Dinamika Gerakan Pembaharuan Islam di India dan Pakistan (Studi Historis dan Pemikiran Tokoh-Tokohnya) Rulita Patriani; Riko Riko; Farki Azhar; Julida Sari; Rina Setyaningsih
Jurnal Riset Rumpun Agama dan Filsafat Vol. 4 No. 2 (2025): Agustus : Jurnal Riset Rumpun Agama dan Filsafat
Publisher : Lembaga Pengembangan Kinerja Dosen

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55606/jurrafi.v4i2.5270

Abstract

The Islamic reform movement in India and Pakistan arose as a response to the social, political, and intellectual challenges faced by Muslims during colonial times and the early years of Pakistan’s formation. This study explores the key drivers behind the movement and highlights the contributions of figures such as Sayyid Amir Ali, Muhammad Iqbal, and Muhammad Ali Jinnah in promoting education, critical thinking, and social change. The movement successfully fostered renewal while preserving religious values, maintaining its relevance in the ongoing evolution of modern Islam.
Co-Authors Edy Syahputra Farki Azhar Julida Sari Kukuh Hernowo Rina Setyaningsih Rulita Patriani