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All Journal Agrikultura Cropsaver : Journal of Plant Protection Dharmakarya : Jurnal Aplikasi Ipteks Untuk Masyarakat Religi: Jurnal Studi Agama-agama Jurnal Agrotropika Edulead : Journal of Education Management International Journal of Educational Research and Social Sciences (IJERSC) JUANGA: Jurnal Agama dan Ilmu Pengetahuan Edulead Agrikultura Masyarakat Tani: Jurnal Pengabdian kepada masyarakat
Toto Sunarto
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Religion Agriculture, Biological Sciences & Forestry Arts Humanities Biochemistry, Genetics & Molecular Biology Computer Science & IT Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Engineering Environmental Science Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Public Health Social Sciences Other

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Journal : Cropsaver : Journal of Plant Protection

 1 
Effectiveness of Several Concentrations of Entomopathogenic Nematode (Steinernema spp.) On Mortality of Spodoptera exigua Hub. in Onions Sunarto, Toto; Natawigena, Wahyu Daradjat; Irwan, Aep Wawan; Tyas, Widya Wening
CROPSAVER Vol 6, No 1 (2023)
Publisher : Departemen Hama dan Penyakit Tumbuhan Fakultas Pertanian Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24198/cropsaver.v6i1.46681

Abstract

Spodoptera exigua is one of the main pests that attack onion. An alternative that can be done to control onion caterpillars is by using the entomopathogenic nematode (Steinernema spp.) that environmentally friendly. This research aimed to obtain the concentration of the entomopathogenic nematode Steinernema spp. that is most effective in causing mortality of S. exigua in onion plants. The experiment was carried out from January to August 2020 at Citeureup, North Cimahi, Cimahi City West Java. The method used in this research was an experimental method with a randomized block design, consisted of six treatments and four replications.  The treatments (number of infective juvenile -IJ) were 0 IJ ml-1 (control), 1000 IJ ml-1, 2000 IJ ml-1, 3000 IJ ml-1, 4000 IJ ml-1, and 5000 IJ ml-1. The results showed that Steinernema spp. application at a concentration of 2000 IJ ml-1 was the most effective concentrations in causing S. exigua mortality in shallot plants (85.0 ± 5.0 %) at 72 hours after application. However, there was a tendency for treatment above a density of 2000 IJ ml-1 to decrease the mortality of S. frugiperda. Therefore, it is very necessary to consider the optimum population of nematoentomopathogens to produce high mortality of target insect pests.
The Effect of Water Extract of Salam Koja Leaf (Murraya koenigii (L.) spreng) Against Root-Knot Nematode (Meloidogyne spp.) in Tomato Plants Sunarto, Toto; Angelia, Brigitta
CROPSAVER Vol 5, No 2 (2022)
Publisher : Departemen Hama dan Penyakit Tumbuhan Fakultas Pertanian Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24198/cropsaver.v5i2.43005

Abstract

Root-knot nematodes (Meloidogyne spp.) is one of the pathogens that attack tomato plants so that it can reduce tomato production. One alternative to control Meloidogyne spp. environmentally friendly is to use botanical nematicides. Salam Koja (Murraya koenigii (L.) Spreng) has potential as a botanical nematicide because its leaves contain secondary metabolites which are antihelmintic. The purpose of this study was to determine the effect of water extract of M. koenigii leaves and to obtain the best concentration in suppressing the attack of Meloidogyne spp. on tomato plants. This research was conducted at the Greenhouse, Department of Plant Pests and Diseases, Faculty of Agriculture, Universitas Padjadjaran, Jatinangor. The study used an experimental method with a randomized block design consisting of 6 treatments and 4 replications. The treatments included control (without water extract of M. koenigii leaves), concentrations of water extract of M. koenigii leaves 6%, 9%, 12%, 15%, and carbofuran 2 g/plant. The results showed that the water extract of M. koenigii leaves had an effect on suppressing root-knot nematodes (Meloidogyne spp.) on tomato plants. The water extract of M. koenigii leaves at the highest concentration of 15% is effective in suppression of the number of galls in the roots (38.57%) and suppression of the number of juvenile 2 (J2) Meloidogyne spp. in 100 ml of soil (81.03%). Murraya koenogii leaf water extract can be used to control Meloidogyne spp. in tomato plants.
Effectiveness of Tamarind (Tamarindus indica L.) Leaf Water Extract Against Root-Knot Disease (Meloidogyne spp.) on Tomato Plants Sunarto, Toto; Sudarjat, Sudarjat; Irwan, Aep Wawan; Fatonah, Siti
CROPSAVER - Journal of Plant Protection Vol 8, No 2 (2025)
Publisher : Departemen Hama dan Penyakit Tumbuhan Fakultas Pertanian Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24198/cropsaver.v8i2.68786

Abstract

Root-knot disease is a major disease that attacks tomato plants. This disease is caused by the Root-knot nematode (Meloidogyne spp.), which can lead to significant losses in tomato crops. Farmers commonly use synthetic nematicides to control these nematodes, but excessive use of chemical agents can have negative effects. Tamarind leaf is a potential alternative that can be used as a botanical nematicide to control the nematodes that cause root-knot disease in tomato plants because it contains various secondary metabolite compounds, such as flavonoids. This research was conducted to determine the effectiveness of various concentrations of tamarind leaf aqueous extract in controlling Meloidogyne spp. nematodes. The experiment was carried out from May to July 2025 in the Plant Nematology Laboratory Division and Greenhouse of the Department of Plant Pests and Diseases, Faculty of Agriculture, Universitas Padjadjaran. The experiment used a Randomized Block Design (RBD) with seven treatments and four replications, consisting of a control, tamarind leaf aqueous extract at 2%, 4%, 6%, 8%, 10%, and carbofuran at 2g/tanamn. The results showed that the application of Tamarindus indica leaf water extract was effective in suppressing root-knot disease (Meloidogyne spp.) in tomato plants. T. indica leaf water extract at a concentration of 6% can suppress the number of galls on tomato plant roots by up to 64.91% and can suppress the number of second juvenile (J2) Meloidogyne spp. in 100 ml of soil by up to 71.18%.
Co-Authors A.M. Kalay Aep Wawan Irwan Angelia, Brigitta ANNE NURBAITY Bari, Ichsan Nurul Danar Dono Dian E. Kkartiwa DIYAN HERDIYANTORO Fatkhullah, Faiz Karim Hanafiah Hersanti - IdaTejawiani Iim Wasliman Meliyansyah, Rika MUHAMMAD AGUS SUPRAYUDI Natasasmita, S. - Noor Istifadah Nursusilawati, Nursusilawati Rachman, Anisa Puspita Reginawanti Hindersah S. -, Natasasmita, S. Siti Fatonah Sofyan Sauri Solihin, Amir Sudarjat Sudarjat Sugeng Wardoyo Suhendraya , Hadi Supatmin Supatmin Tyas, Widya Wening Wahyu Daradjat Natawigena, Wahyu Daradjat Warta, Waska Widayani, Neneng Sri Yusup Hidayat Zahra, Zakiah