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Journal : Seminar Nasional Lahan Suboptimal

Efikasi Daun Sirih (Piper betle) sebagai Pestisida Nabati untuk Menekan Populasi Serangga Hama pada Cabai Rawit (Capsicum frutescens L.) Bintang, Gilang Putra; Herlin, Weri; Pakpahan, Tukkot; Zelianty, Shafa Olivia; Arka, Khoirunisya; Aryanti, Riri Mutiara; Indah, Mawar; Jesika, Jesika
Seminar Nasional Lahan Suboptimal Vol 12, No 1 (2024): Vol 12, No 1 (2024): Prosiding Seminar Nasional Lahan Suboptimal ke-12 “Revital
Publisher : Pusat Unggulan Riset Pengembangan Lahan Suboptimal (PUR-PLSO) Universitas Sriwijaya

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Bintang, G. P., Herlin, W., Pakpahan, T., Zelianty, S. O., Arka, K., Aryanti, R.M., Indah, M., Jesika, J. (2024). Effectiveness of betel leaves (Piper betle) as a vegetable pesticide to suppress pests insect populations on cayenne pepper (Capsicum frutescens L.). In: Herlinda S et al. (Eds.), Prosiding Seminar Nasional Lahan Suboptimal ke-12 Tahun 2024, Palembang 21 Oktober 2024. (pp. 90–102). Palembang: Penerbit & Percetakan Universitas Sriwijaya (UNSRI).Cayenne pepper (Capsicum fructuscens L.) has a very high potential for cultivation, but the problem of cayenne pepper cultivation is never free from pest disease, so ethane used chemical pesticides because it is considered more effective and efficient. The purpose of this study was to find out the effectiveness of betel leaf weeds as botanical pesticides to suppressed pests in cayenne pepper. The methods used in this study are Group Randomization Design (GRD) with each group consisting of five treatments, namely P1 (control), P2 (50 gr/l), P3 (100 gr/l), P4 (150 gr/l), P5 (200 gr/) and six tests with a total of 30 cayenne pepper. The results of the studied on P5 (200 gr/l) had the highest insect diversity of 1.94, while P1 (control) had the lowest insect diversity of 1,10. The insect diversity found in the study based on observations from 1 to 80 Days After Planting consisted of 11 species covering several orders such as Lepidoptera, Diptera, Coleoptera, Aranae, Hemiptera, and Hymenoptera. The conclusion of this study is that the higher the dose of betel leaf pesticide used, the lower the attack of insect pests with species of aphids (Aphis gossypii), mealybugs (Pseudococcus sp.), flies (Sarcophaga sp.), caterpillars (Syrphidae sp. larvae), spiders (Araneus sp., Neoscona sp., Paidiscura sp., Oxyopes sp.), ants (Tapinoma sp.), ladybugs (Coccinellidae sp. pupa), and butterflies (Agraulis sp. larvae) on cayenne pepper. Thus, the use of botanical pesticides must be used with the appropriate dose in order to suppress the development of insect pest populations on cayenne pepper.
Optimalisasi Gulma Babadotan (Ageratum conyzoides) sebagai Pestisida Nabati pada Tanaman Cabai Rawit (Capsicum frutescens L.) Herlin, Weri; Fatkha, Farah Nabila; Zagar, Zagar; Destia, Heni; Yuniva, Ester Akta
Seminar Nasional Lahan Suboptimal Vol 12, No 1 (2024): Vol 12, No 1 (2024): Prosiding Seminar Nasional Lahan Suboptimal ke-12 “Revital
Publisher : Pusat Unggulan Riset Pengembangan Lahan Suboptimal (PUR-PLSO) Universitas Sriwijaya

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Herlin, W., Fatkha, F. N., Zagar, Z., Destia, H., & Yuniva, E. A. (2024). Optimization of Babadotan weed (Ageratum conyzoides) as a vegetable pesticide on cayenne pepper plants (Capsicum frutescens L.) . In: Herlinda S et al. (Eds.), Prosiding Seminar Nasional Lahan Suboptimal ke-12 Tahun 2024, Palembang  21 Oktober 2024. (pp. 195–201).  Palembang: Penerbit & Percetakan Universitas Sriwijaya (UNSRI).Chili pepper plants (Capsicum frutescens L.) have high potential for cultivation. The density of pests that attack cultivated plants causes the pest population to swell. This study aimed to determine the effectiveness of babadotan weeds as botanical pesticides on chili pepper plants. The method used in this study was a Randomized Block Design (RAK), using 5 treatments, namely P0 (control), P1 (50 g / L), P2 (100 g / L), P3 (150 g / L), P4 (200 g / L) consisting of 6 replications with a total of 30 plants. The results of this study showed the growth of chili plants that were given botanical pesticides from several treatments carried out, namely plants that were not treated or not given pesticides were attacked more than chili plants that were given a lot of pesticides. In terms of plant height, the growth of chili plants that were given more botanical pesticides was higher than plants that were given less pesticides, in terms of the number of leaves, chili plants that were given more botanical pesticides had more leaves than chili plants that received less treatment. The conclusion of this study shows that botanical pesticides from babadotan weeds act as insecticides, repellents, binders, and pest growth inhibitors. Thus, it is necessary to use insecticides in the right dosage to control pest attacks on cayenne pepper.
Efektivitas Beberapa Metode Sterilisasi terhadap Tingkat Kontaminasi Eksplan Tulang Daun Duku pada Kultur In-Vitro Inaya, Rihani; Irmawati, Irmawati; Susilawati, Susilawati; Helen, Helen; Herlin, Weri; Negara, Zaidan P.
Seminar Nasional Lahan Suboptimal Vol 12, No 1 (2024): Vol 12, No 1 (2024): Prosiding Seminar Nasional Lahan Suboptimal ke-12 “Revital
Publisher : Pusat Unggulan Riset Pengembangan Lahan Suboptimal (PUR-PLSO) Universitas Sriwijaya

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Inaya, R., Irmawati, I., Susilawati, S., Helen, H., Herlin, W., & Negara, Z. P. (2024). The effect of different sterilization techniques on the contamination levels of duku leaf midrib explant in In-Vitro Culture. In: Herlinda S et al. (Eds.), Prosiding Seminar Nasional Lahan Suboptimal ke-12 Tahun 2024, Palembang 21 Oktober 2024. (pp. 667–678). Palembang: Penerbit & Percetakan Universitas Sriwijaya (UNSRI).The Duku plant (Lansium domesticum) is one of the popular tropical fruit in indonesia. Using the idea of plant cells' totipotency, tissue culture is an alternate method for a quick and massive propagation of high-quality duku plant seedlings. This research was aimed to evaluate different sterilization materials and procedures on duku leaf midrib explants through tissue culture. The research was conducted from June to September 2024 at Tissue Culture Laboratory, Department  of  Agronomy, Universitas Sriwijaya (2°59’23.4”S 104°43’53.4”E). A combination of  sterilizing substances, including 70% alcohol, fungicide, bactericide, liquid detergent, and NaOCl, were utilized in this sterilization procedures. The percentage of live explants, browning explants, and explants infected with bacteria or fungi then were calculated using parametric descriptive analysis. The results showed that the P3 treatment's sterilant combination liquid detergent for 3 minutes, 0.2% of fungicide and bactericide for 10 minutes, 1% NaOCl for 15 minutes, and 70% alcohol for 5 minute produced the highest percentage of live explants (46%) with a relatively low percentage of contaminated explants (30%) and the lowest percentage of browning explants (23%). Thus P3 treatment was concluded as the best treatment to reduce the contamination level and browning of duku leaf midrib explant.
Optimalisasi Gulma Senduduk (Melastoma malabathricum L.) di sekitar tanaman Aren (Arenga pinnata) sebagai Pestisida Nabati pada Tanaman Cabai (Capsicum frutescens L.) Diadara, Dhiva Kinanti; Herlin, Weri; Mulya, Firman; Ramadani, Salwa Novia; Hasibuan, Thresia Firmaida; Ardianto, Febri; Pardede, M. Rabiul
Seminar Nasional Lahan Suboptimal Vol 12, No 1 (2024): Vol 12, No 1 (2024): Prosiding Seminar Nasional Lahan Suboptimal ke-12 “Revital
Publisher : Pusat Unggulan Riset Pengembangan Lahan Suboptimal (PUR-PLSO) Universitas Sriwijaya

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Diadara, D. K., Herlin, W., Mulya, F., Ramadani, S. N., Hasibuan, T. F., Ardianto. F., & Pardede, M. R. (2024). Optimization of senduduk weed (Melastoma malabathricum L.) around aren (Arenga pinnata) plants as vegetable pesticide on chili plants (Capsicum frutescens L.). In: Herlinda S et al. (Eds.), Prosiding Seminar Nasional Lahan Suboptimal ke-12 Tahun 2024, Palembang 21 Oktober 2024. (pp. 186–194).  Palembang: Penerbit & Percetakan Universitas Sriwijaya (UNSRI).Cayenne pepper plants (Capsicum frutescens L.) were horticultural commodity plants that have high economic value in Indonesia which were never free from the problem of pests and diseases in cayenne pepper plants. The purpose of this research was to optimize weeds that grow around sugar palm (Arenga pinnata) plants. The method of using senduduk weed (Melastoma malabathricum L.) as a vegetable pesticide on chili plants (Capsicum frutescens L.) because was is aleolkimia content that has potential as a natural ingredient to control pests. This study tested senduduk extracts on chili plants to determine how effective they were in controlling pest attacks. The results showed that the use of senduduk weed extracts had a significant effect in reducing pest populations and increasing the productivity of chili plants. The conclusion that Optimizing senduduk weed around palm plants as a vegetable pesticide can be an environmentally friendly alternative to organic farming while helping to manage weeds that are often considered harmful.