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All Journal Cropsaver : Journal of Plant Protection Jurnal Hilirisasi IPTEKS (JHI) Jurnal Karya Pengabdian Teknik Mesin AGRONES: JOURNAL OF AGRICULTURE, AGRIBUSINESS WELFARE, TECHNOLOGI, HUMANITY, ENVIRONMENT, SOCIAL AND ECONOMY
Rahayu M
Fakultas Pertanian Universitas Halu Oleo Universitas Halu Oleo Kendari
Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Dentistry Energy Engineering Environmental Science Health Professions Industrial & Manufacturing Engineering Public Health Social Sciences Veterinary Other

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 1 
Role of Cocoa Clones and Endophyte Fungi in controlling VSD Disease in the Field Muhammad Taufik; Asniah Asniah; Muhammad Botek; Rahayu M; Arifin Tasrif
CROPSAVER Vol 4, No 1 (2021)
Publisher : Departemen Hama dan Penyakit Tumbuhan Fakultas Pertanian Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24198/cropsaver.v4i1.33087

Abstract

The fungus Ceratobasidium theobromae is the cause of vascular streak dieback (VSD) in cocoa. VSD disease can cause death in susceptible clones by more than 59%. The use of resistant cocoa clones and endophytic fungi can be an alternative for VSD disease control. The research objective was to evaluate cocoa clones and endophytic fungi to control VSD in the field. The experimental design used was a randomized block design with a factorial pattern. The first factor was cocoa clones, which consisted of clones 45 (K1) and 25 (K2), and the second factor was several types of endophytic fungi. The results showed an interaction between cacao clones and endophytic fungi isolates on the height and number of cocoa leaves. The two cacao clones tested could be naturally infected by C. theobromae without endophytic fungi, with disease incidence of VSD 5, 21% in K1, and 5.75% in K2. The two cocoa clones treated with endophytic fungi, i.e., Paecilomyces sp. EP1, Paecilomyces sp. EP2 and Paecilomyces sp. EP1 + Trichoderma sp.)  did not show symptoms of VSD until 20 weeks after planting.
Refugia Plant Pest and Disease Management in Wolasi, South Konawe Wolasi Rahayu Rahayu Mallarangeng; Muhammad Taufik Muhayang; M Tufaila H; Rachmawati Hasid Hasid
JURNAL KARYA PENGABDIAN Vol. 4 No. 2 (2022): Oktober, Jurnal Karya Pengabdian
Publisher : Jurusan Teknik Mesin FT Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1095.94 KB) | DOI: 10.29303/jkp.v4i2.129

Abstract

Exposure to synthetic chemicals for plant pest organisms (OPT) is the main choice for farmers. One alternative pest control is planting refugia plants. Refugia plants can attract beneficial insects and antagonistic agents to come to the plant. Furthermore, it can control the pest population naturally. The purpose of the service is technical guidance on the application of refugia technology in cayenne pepper cultivation. The method used is technical guidance and the manufacture of demonstration plots of chili plants using refugia plants. The comparator is the chili plant which is not refugia. The results showed that the application of synthetic chemicals was lower in chili plants that plant were given refugia than those that were not. The average growth height and the number of pepper branches that were given refugia were higher, and the visit of insect pests was lower than the control. Partners accept the refugia technology because it reduces the number of applications of synthetic chemical pesticides
PEMBERDAYAKAN MASYARAKAT DESA AUNUPE DALAM PENGELOLAAN HAMA DAN PENYAKIT TANAMAN YANG RAMAH LINGKUNGAN Andi Khaeruni; Rahayu Rahayu; Gusti Ayu Kade Sutariati; Tresjia C. Rakian
Jurnal Hilirisasi IPTEKS Vol. 3 No. 1 (2020)
Publisher : LPPM Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/jhi.v3i1.382

Abstract

Aunupe Village, Wolasi District is one of the villages for the development of organic vegetables in Konawe Selatan Regency. The frequent occurrence of high levels of pest and disease attacks is the main reason for the use of synthetic pesticides that are not justified in organic farming systems. On the other hand, in the same location, there is a group of women farmers who are not productive. Both of these problems can be overcome if the farmer women's group produces quality biological agents that can be utilized by horticultural farmers in an environmentally friendly cultivation system. The implementation of the PKM Program in Aunupe Village is very appropriate as a means and media for transferring technology on how to increase the productivity of environmentally friendly vegetable plants by developing organic farming techniques. Control of pests and plant diseases by using biological agents and botanical pesticides is a wise choice in efforts to increase agricultural production with high economic value while maintaining biodiversity to support sustainable agricultural cultivation, especially in the cultivation of vegetable crops as a source of community nutrition.
Impact Of Exposure To Phymar Csl Application On The Activity Of Pollinating Bee Tetragonula Laeviceps Smith (Hymenoptera; Apidae) Siti Anisa; Awaluddin Awaluddin; Rahayu Rahayu; Waode Siti Anima Hisein
Journal of Agriculture, Agribusiness, Welfare, Technology, Humanity, Environment, Social, and Economy Vol. 1 No. 4 (2026): Januari 2026 Edition
Publisher : Fakultas Teknologi Pertanian Unsultra

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.64690/agrones.v1i4.597

Abstract

The stingless bee Tetragonula laeviceps (Hymenoptera; Apidae) is an important pollinator that supports agricultural productivity, yet its population may be affected by pesticide use, including botanical pesticides. This study aimed to evaluate the toxicity of the botanical pesticide Phymar CSL to T. laeviceps, assess the effects of its residues on bee survival, and determine whether Phymar CSL acts as an attractant or repellent. The study was conducted at the Plant Protection Laboratory, Faculty of Agriculture, Halu Oleo University, from November-December 2025. Toxicity tests were carried out using five concentrations of Phymar CSL (5, 10, 20, 40, and 80 mL/L) mixed with a 10% honey solution and analyzed using probit analysis, while residue and preference tests were analyzed descriptively. The results showed that the LC₅₀ value of Phymar CSL for T. laeviceps was 16.194 mL/L, which was lower than the recommended field application dose (20 mL/L). Residue exposure resulted in relatively low bee mortality, even at LC₅₀ and LC₉₅ concentrations. Preference tests using a Y-tube olfactometer indicated that Phymar CSL was not attractive but exhibited repellent properties toward T. laeviceps. These findings suggest that although direct exposure to Phymar CSL may pose toxic risks to T. laeviceps, its residues are relatively safe and do not attract bees; therefore, application should be avoided during flowering stages and peak foraging periods to support pollinator conservation and sustainable agriculture.
Co-Authors Andi Khaeruni Arifin Tasrif Asniah Asniah Awaluddin Awaluddin Gusti Ayu Kade Sutariati M Tufaila H Muhammad Botek MUHAMMAD TAUFIK Muhammad Taufik Muhayang Rachmawati Hasid Siti Anisa Tresjia C. Rakian Waode Siti Anima Hisein