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All Journal International Journal of Renewable Energy Development UG Journal Public Health of Indonesia JURNAL HAMA DAN PENYAKIT TUMBUHAN TROPIKA Jurnal Penelitian Pertanian Terapan Jurnal Agro Industri Perkebunan Jurnal Ilmu Kesehatan Immanuel Veritas : Jurnal Teologi dan Pelayanan Agroekoteknologi Tropika Lembab Jurnal Ilmiah Permas: Jurnal Ilmiah STIKES Kendal Jurnal Ners Jurnal Aisyah : Jurnal Ilmu Kesehatan Jurnal Pendidikan Teknik Mesin Undiksha Jurnal Agrotropika Jurnal Menara Medika Jurnal Gema Keperawatan Jurnal Ilmiah Sultan Agung Jurnal Pengabdian Fakultas Pertanian Universitas Lampung Jeptira Jurnal Sains & Teknologi Fakultas Teknik Universitas Darma Persada Jurnal Pengabdian Masyarakat dan Penelitian Terapan Prosiding SNTTM JIKI
Herry Susanto
Jurusan Agroteknologi Fakultas Pertanian Universitas Lampung
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EFIKASI DAN UJI SIFAT CAMPURAN HERBISIDA SAFLUFENACIL DAN TRIFLUDIMOXAZIN TERHADAP GULMA Ageratum conyzoides, Digitaria ciliaris, DAN Cyperus kyllingia Cahyani, Dwi; Sembodo, Dad Resiworo Jekti; Sriyani, Nanik; Pujisiswanto, Hidayat; Susanto, Herry
JURNAL AGROTROPIKA Vol. 24 No. 2 (2025): Jurnal Agrotropika Vol 24 No 2, Oktober 2025
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/ja.v24i2.11687

Abstract

This study aimed to evaluate the efficacy of single herbicides saflufenacil, trifludimoxazin, and their mixtures, as well as to determine the interaction characteristics of the saflufenacil and trifludimoxazin combination in weed control. The experiment was conducted in a Plastic House in Natar District, South Lampung Regency, from April to May 2025. A single-factor Randomized Block Design (RBD) was applied with 54 treatment combinations, consisting of 3 herbicide types at 6 dosage levels: single saflufenacil (0, 25, 50, 100, 200, and 400 g/ha), single trifludimoxazin (0, 12.5, 25, 50, 100, and 200 g/ha), and their mixtures (0, 37.5, 75, 150, 300, and 600 g/ha). Treatments were applied to 3 weed species: the broadleaf Ageratum conyzoides, the grass Digitaria ciliaris, and the sedge Cyperus kyllingia. Each treatment was replicated 6 times. The interaction analysis of herbicide mixtures was carried out using the Multiplicative Survival Model (MSM), since the two herbicides have different modes of action. The results showed that: (1) single saflufenacil was only effective in controlling Ageratum conyzoides at (25-400 g/ha). Single trifludimoxazin effectively controlled Ageratum conyzoides (12.5-200 g/ha), Digitaria ciliaris (200 g/ha), and Cyperus kyllingia (50-200 g/ha). The mixture of saflufenacil+trifludimoxazin effectively controlled Ageratum conyzoides (37.5-600 g/ha), Digitaria ciliaris (75-600 g/ha), and Cyperus kyllingia (300-600 g/ha). (2) With an expected LD50 value of 83.36, which was higher than the observed LD50 value of 67.33, a co-toxicity coefficient of 1.24 (>1) was obtained, indicating that the mixture exhibited a synergistic effect.
Efficacy of phosphonic acid applied by spraying and seed treatment at various concentrations for controlling downy mildew disease in maize Ginting, Cipta; Pramesti, Elisa Amelia; Maryono, Tri; Sudarsono, Hamim; Susanto, Herry; Akin, Hasriadi Mat
Jurnal Hama dan Penyakit Tumbuhan Tropika Vol. 25 No. 2 (2025): SEPTEMBER, JURNAL HAMA DAN PENYAKIT TUMBUHAN TROPIKA: JOURNAL OF TROPICAL PLAN
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jhptt.225328-336

Abstract

Downy mildew, caused by Peronosclerospora spp., is one of the major problems in maize cultivation. Several studies have reported the development of resistance in Peronosclerospora spp. to metalaxyl, which had previously been an effective control method for the disease. Other research suggests that the efficacy of phosphonic acid in controlling downy mildew in maize is inconsistent. The objective of this study was to evaluate the efficacy of seed treatment with phosphonic acid in controlling downy mildew in Bisi 18 maize. The treatments were arranged in a randomized block design with six replications. The observed variables included the incidence and severity of the disease, the area under the disease progress curve (AUDPC), maize yield, and the content of tannin and hydroquinone compounds in maize leaves. The results showed that both phosphonic acid applied by spraying and seed treatment significantly reduced the incidence and severity of downy mildew (P < 0.05). However, the concentrations of phosphonic acid used in seed treatment had no significant effect on the disease during 1–7 weeks after inoculation. Furthermore, all phosphonic acid treatments tended to increase the content of tannin and hydroquinone compounds in maize leaves, which should be confirm quantitatively.
GAME ONLINE BERHUBUNGAN DENGAN PERILAKU AGRESIVITAS PADA REMAJA: SEBUAH STUDI DI GAME CENTER SEMARANG Anggreyani, Rainatha; Khasanah, Nopi Nur; Susanto, Herry
Jurnal Ilmu Kesehatan Immanuel Vol. 14 No. 1 (2020): Jurnal Ilmu Kesehatan Immanuel
Publisher : Institut Kesehatan Immanuel

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36051/jiki.v14i1.96

Abstract

Background: Teens of online game users from year to year have increased. The impact of online games on children are depression, anxiety, and social phobia will get worse and academic achievement will decrease. In addition, the addiction to online games can lead to the emergence of aggressive behavior in adolescents. Researcher is interested to examine the correlation between online game addiction with aggressiveness behavior in adolescents in Semarang game center. Methode: The design of this study is quantitative and type of  the research used Cross sectional study. The data were collected by using questionnaires. The number of respondents is 40 people used total sampling technique. The data obtained is processed statistically by using somers'd test. Result: Based on the results obtained from 40 respondents, with the characteristics of respondents 30% aged 18 years. The results showed that 52.5% showed addiction to heavy online games, 32.5% showed a moderate online game addiction and 15% showed an addiction to light online games. A total of 17.5% showed severe aggressiveness, 77.5% showed moderate aggressiveness and 5% showed mild aggressiveness. Conclusion: There is a significant correlation between online game addiction and aggressive behavior in adolescents in Semarang game center (p = 0.042), with weak correlation (r = 0.290)
Co-Authors - Sutrisno ., Rohmani Agus Suharto, Agus Anggreyani, Rainatha Aprilyanto, Rizky Arif, Faiz Al Ariyanto Nugroho Aslamiah Aslamiah Asyari Budhi Susetyo, Ferry Cipta Ginting, Cipta Dad R. J. Sembodo, Dad R. J. Dad Resiworo J. Sembodo, Dad Resiworo Dariyus, Asyari DARSONO Didik Sugiyanto Djabumir, Sendi Setiawan Dwi Cahyani Edy, Akari Ericson, Gaol Uli Lumban Ermawati Erwin Erwin - Erwin, Erwin - Esye, Yendi Fandikurnia, Ade Gipta Galih Widodo Griyaningsih, Wahyu Hamim Sudarsono . Handaya Handaya Hasriadi Mat Akin Hidayat Pujisiswanto Husen Asbanu Lestari, Andriani Dwi Marimin Marimin Mega Hasanul Huda Munawaroh, UNISSULA Nafisah, Durratun Nana Ratna Wati Nanik Sriyani Nareswari Pratita Niar Nurmauli, Niar Nopi Nur Khasanah Novendri, Yos Oktavia, Kurnia Pramesti, Elisa Amelia Pratama, Juan Putra, Hasriza Eka R. Rr Maria Dyah Kurniasari Raden Dikky Indrawan Rahayu, Weny Feftiana Ramadiana, Sri Rifa'i, Thaher Rusdi Evizal Saban, Muhamad Zaki Santi Damayanti Sembodo, Dad Resiworo Jekti Sembodo, Dad RJ Siregar, Rolan Siti Fadlilah Sri Wahyuni Sugiatno Sugiatno Sugiyarto Sugiyarto Suparyatmi, Sri Tri Maryono Widhiastuti, Erma yefri chan