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All Journal Jurnal Biologi Tropis International Journal Of Science, Technology & Management (IJSTM) Agrimansion: Agribusiness Management & Extension Agroteksos Proceedings Series on Physical & Formal Sciences Jurnal Pijar MIPA
M. Sarjan, M.
Fakultas Pertanian, Unversitas Mataram Jalan Majapahit 62 Mataram-Lombok-NTB
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Studi Dua Cara Tanam Ubi Jalar Terhadap Tingkat Serangan Hama Penggerek Batang (Stem Borer) Supeno, Bambang; Haryanto, Hery; Sarjan, M.; Ngawit, I Ketut; Jihadi, Amrul
Proceedings Series on Physical & Formal Sciences Vol. 7 (2024): Prosiding Seminar Nasional Fakultas Pertanian dan Perikanan
Publisher : UM Purwokerto Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30595/pspfs.v7i.1194

Abstract

Ubi jalar (Ipomoea batatas) merupakan tanaman pangan alternatif atau pengganti beras yang telah lama dikenal dan digemari oleh masyarakat. Hama penggerek batang merupakan salah satu hama utama yang dirasakan merugikannya. Bagaimana tingkat kerusakannya pada dua cara tanam belum banyak laporannya. Tujuan dari penelitian ini adalah untuk mengetahui bagaimana tingkat kerusakan yang diakibatkan oleh hama penggerek batang pada dua cara tanam Penelitian dilakukan di lahan sawah dengan percobaan lapangan. Percobaan dirancang dengan rancangan acak kelompok dengan dua perlakuan yaitu cara tanaman dalam karung (K) dan kontrol dalam bedengan tanah (C). Masing-masing Perlakuan diulang sebanyak enam kali (blok) dan setiap blok ditanam 4 stek ubi jalar klon tailan. Secara keseluruhan diperoleh 12 petak percobaan yang terdiri dari masing-masing petak ada empat stek klon ubi jalar. Hasil penelitian menunjukkan bahwa Cara tanam biasa (kontrol) diserang oleh tiga spesies serangga penggerek batang yaitu Omphisa Anastomosalis (Lepidoptera: Pyralidae), Cylas Formicarius (Coleoptera: Curculionidae) dan Oberea sp. (Coleoptera: Cerambycidae). Cara tanam dengan wadah karung hanya diserang oleh dua spesies serangga hama, yaitu Omphisa Anastomosalis (Lepidoptera: Pyralidae), dan Oberea sp. (Coleoptera: Cerambycidae). Intensitas kerusakan yang ditimbulkan oleh ketiga serangga hama penggerek batang di cara tanam dalam karung (30,92±7,44%) lebih kecil dibandingkan dengan kontrol sebesar (42,94±4,70%).
Mercury Adsorption Test on Several Large Groups of Soils in West Sumbawa Regency, Indonesia Hapsari Hurum, Puji; Kusnarta, IGM; Sarjan, M.; Suwardji, Suwardji
International Journal of Science, Technology & Management Vol. 5 No. 4 (2024): July 2024
Publisher : Publisher Cv. Inara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46729/ijstm.v5i4.1130

Abstract

Mercury is one of the heavy metals that has the highest toxicity in the global environment. Mercury can cause environmental damage and if it enters the food chain it can have negative impacts on human health. In overcoming the problem of mercury entering the food chain, it is very important to study the mobility and distribution of mercury in the soil. The presence of mercury (Hg2+) in soil is largely controlled by adsorption reactions with certain specific adsorption patterns. Therefore, it is very important to study mercury adsorption on several different types of soil in order to get an idea of ​​how adsorption occurs in West Sumbawa Regency. The aim of this research is to determine the pattern and capacity of mercury adsorption on various large groups of soil in West Sumbawa Regency and the relationship between soil properties and mercury adsorption. The results of the research show that the adsorption isotherm pattern in the great soil groups Endoaquepts, Ustipsamments, and Udorthents more closely follows the Langmuir adsorption model, while the great soil groups Haplustepts, Hapludolls, Eutrudepts and Ustifluvents follow the Freundlich adsorption model. The major soil group that has the highest maximum mercury adsorption capacity in West Sumbawa Regency is Endoaquepts at 4,604 mg/g.
KERAGAMAN DAN KELIMPAHAN HAMA PADA TANAMAN KANGKUNG AIR (Ipomea aquatic F.) DI KABUPATEN LOMBOK BARAT Rahayu, Karani Dwi; Thei, Ruth Stella Petrunella; Sarjan, M.
AGROTEKSOS, Jurnal Ilmiah Ilmu Pertanian Vol 33 No 2 (2023): Jurnal Agroteksos Agustus 2023
Publisher : Fakultas Pertanian Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/agroteksos.v33i2.968

Abstract

Penelitian ini bertujuan untuk mengetahui keragaman, kelimpahan dan intensitas kerusakan pada tanaman kangkung air (Ipomea aquatica F.) di Kabupaten Lombok Barat. Penelitian ini menggunakan metode deskriptif dengan pengamatan langsung di lapangan. Percobaan ini dilaksanakan pada bulan maret 2023 di Kabupaten Lombok Barat tepatnya pada 3 kecamatan yaitu Kecamatan Narmada, Lingsar dan Labuapi. Parameter yang diamati adalah populasi spesimen hama, indeks keragaman, indeks kelimpahan, indeks kemerataan, indeks dominasi dan intensitas kerusakan diperoleh 9 jenis spesies hama yang ditemukan pada tanaman kangkung air yaitu Pomacea canaliculata, Filopaludina javanica, Cassida circumdata, Epilachna varivestis, Oxya chinensis, Atractomorpha crenulata, Gampsocleis buergeri, Spodoptera litura, dan Spodoptera frugiperda. Spesies hama tersebut berasal dari 2 kelas yaitu Gastropoda dan Insecta, 4 ordo yaitu Architaenioglossa, Coleoptera, Orthoptera, Lepidotera, 7 famili yaitu Ampullariidae, Viviparidae, Chrysomelidae, Coccinellidae, Acradidae, Pyrgomorphidae, Notuidae. Indeks keragaman hama tertinggi pada tanaman kangkung air yaitu Pomacea canaliculata dengan indeks keragaman 0,316. Sehingga indeks keragaman dan kelimpahan hama secara umum pada tanaman kangkung air di Kabupaten Lombok Barat tergolong sedang. Intensitas kerusakan yang didapatkan sebesar 16,102% dari seluruh kecamatan menunjukkan tingkat serangan dengan kategori sedang.
The Effect Addition of Soil Amandments and PGPR (Plant Growth Promoting Rhizobacteria) on the Growth and Yield of Cotton Plants Intercropped with Corn Plants in Dry Land of North Lombok Regency of Indonesia Siti Rohmaniati, Baiq; Sarjan, M.; Suwardji, Suwardji
International Journal of Science, Technology & Management Vol. 5 No. 5 (2024): September 2024
Publisher : Publisher Cv. Inara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46729/ijstm.v5i5.1162

Abstract

This research investigates the effect of soil amendments in the form of cow, form goat manures and PGPR biofertilizer on cotton plants intercropped with corn in the dry lands of North Lombok Regency. The research aims is to determine the growth and yield response of cotton plants due to the application of soil amendments and PGPR in an intercropped system with corn in dryland areas. The research was conducted from December 2023 to June 2024 in Andalan Village, Bayan District, North Lombok Regency. The method used is an experimental method with field trials. The design used was Randomized Block Design (RBD), incorporating two factors: soil amendment treatment (P) as the main plot and PGPR (K) concentration treatments as the subplot. Soil amendments consisted of three levels: P0 (no cow manure and no goat manure), P1 (20 tons/ha cow manure), P2 (20 tons/ha goat manure). PGPR concentration consisted of four levels: K0 (without PGPR), K1 (20 ml/liter PGPR application), K2 (30 ml/liter PGPR application), and K3 (40 ml/liter PGPR application). The research results indicated that the application of 20 tons/ha of goat manure (P2) produced the highest average across all observed parameters (plant height, number of leaves, branch number, stem diameter, and plant yield). Similarly, the application of 40 ml/liter PGPR produced the highest average for these observed parameters. Based on the results of the land equivalent ratio (LER) analysis, this integration system shows highly suitable and relevant to be applied in the dry lands of North Lombok.
Evaluation of Laboratory Waste Management at Mataram University as a Basis for Preparing Environmental Pollution Prevention Policies Akhdiyat, Hendra R.; Sarjan, M.; Sjah, Taslim
Jurnal Pijar Mipa Vol. 20 No. 1 (2025)
Publisher : Department of Mathematics and Science Education, Faculty of Teacher Training and Education, University of Mataram. Jurnal Pijar MIPA colaborates with Perkumpulan Pendidik IPA Indonesia Wilayah Nusa Tenggara Barat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jpm.v20i1.8213

Abstract

This research discusses the application of the balance principle in laboratory waste management as a strategy to minimize environmental impacts. This principle aims to balance laboratory activities and environmental protection by reducing waste at the source, sorting it out, and using environmentally friendly waste processing technology. The research used a descriptive qualitative approach in the Mataram University laboratory. The research results show that applying the balance principle is still not optimal due to limited understanding, infrastructure and adequate policy support. Recommended strategies include implementing the 3R principle (Reduce, Reuse, Recycle), selecting safer chemicals, and increasing training and preparing clear SOPs. Waste identification reached (50%), with limitations in storage (44%) and transportation (43%). Management and final disposal were minimal (33% and 38%), increasing environmental risks. Documentation, reporting (43%), and regulatory compliance (43%) still need to be improved. The K3 aspect is quite good (54%), but emergency response procedures are still weak. Sustainable management (37%) and environmental monitoring (43%) lack effort in mitigating environmental impacts. Applying the principle of balance is important to achieve sustainable laboratory waste management.
PENGEMBANGAN AGROWISATA BERKELANJUTAN BERBASIS KEARIFAN LOKAL DI KAWASAN MINAPOLITAN KERTASARI SUMBAWA BARAT: PERSPEKTIF FILSAFAT SAINS Anton, Anton; Sarjan, M.
JURNAL AGRIMANSION Vol 25 No 3 (2024): Jurnal Agrimansion Desember 2024
Publisher : Jurusan Sosial Ekonomi Pertanian Fakultas Pertanian Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/agrimansion.v25i3.1659

Abstract

Agrowisata merupakan salah satu alternatif kegiatan pariwisata berbasis alam yang memanfaatkan berbagai potensi pertanian yang dapat berupa pemandangan alam, aktivitas produksi, serta budaya masyarakat sekitar sebagai objek wisatanya. Sedangkan kearifan lokal merupakan adat dan kebiasan yang telah mentradisi yang dilakukan oleh sekelompok masyarakat secara turun temurun yang hingga saat ini masih dipertahankan dan dilestarikan keberadaannya oleh masyarakat. Studi ini bertujuan untuk melakukan tinjauan filsafat sains pada pengembangan agrowisata yang berkelanjutan berbasis kearifan lokal di kawasan minapolitan kertasari sumbawa barat. Metode yang digunakan adalah kajian literatur (literature review) jurnal, buku dan laporan penelitian yang relevan serta observasi secara langsung. Pengembangan agrowisata dapat diperkaya melalui perspektif filsafat sains, yang menawarkan kerangka berpikir kritis dan reflektif dalam mengeksplorasi hubungan antara manusia, alam, dan pengetahuan. Pengembangan agrowisata yang berkelanjutan di kawasan minapolitan kertasari sumbawa barat dengan potensi yang dimilikinya perlu dikembangkan dengan sinergi dan kolaborasi. Terdapat nilai kearifan lokal yang menjadi nilai sosial budaya masyarakat yang berpotensi sebagai faktor pendukung dan berkontribusi positif dalam pengembangan agrowisata yang berkelanjutan. Pengintegrasian kearifan lokal dalam pengembangan agrowisata tidak hanya memperkaya pengalaman wisatawan, tetapi juga berkontribusi pada keberlanjutan lingkungan dan kesejahteraan masyarakat setempat.
Parasitoids and Predators as Biological Agents against White Stem Borer (Scirpophaga innotata) Arum Dewi, Pervitara; Wahyuni, Srilah Nora; Ilwati, Uun; Akram, Ahdiatsa Hairi; Sarjan, M.
Jurnal Biologi Tropis Vol. 24 No. 3 (2024): July - September
Publisher : Biology Education Study Program, Faculty of Teacher Training and Education, University of Mataram, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jbt.v24i3.6976

Abstract

One of the primary challenges in rice cultivation is the disturbance caused by pest infestations. Among the pests that frequently cause damage to rice plants is the white rice stem borer (Scirpophaga innotata). The life cycle of Scirpophaga innotata comprises egg, larva, pupa, and adult stages. This article is based on a literature review and discusses the natural enemies most commonly encountered at each stage of the Scirpophaga innotata life cycle. The findings of this article can be summarized as follows: Natural enemies of the white rice stem borer during the egg stage include parasitoids such as Trichogramma japonicum Ashm., Tetrastichus schoenobii, and Telenomus rowani, as well as the predator Conocephalus sp. During the larva-pupa stage, parasitoids such as Apantheles sp., Bracon sp., Tropobracon sp., and Temelucha bigutella are present, along with predators like Miscrapis crocea and Harmonia octomaculata. Regarding the adult stage, parasitoids were not found to be natural enemies of adult S. innotata. However, the most commonly encountered predators include Coccinella transversalis (Thunberg) and Paederus sp.
The Effect of Paitan Leaf Pesticide Concentration (Tithonia diversifolia) On The Presence of Spider Predators on Edamame Plants (Glycine max (L.) Merill) Juniawan, L. Akhmad; Sarjan, M.; Fauzi, M. Taufik
Jurnal Biologi Tropis Vol. 25 No. 4 (2025): in Progress
Publisher : Biology Education Study Program, Faculty of Teacher Training and Education, University of Mataram, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jbt.v25i4.10094

Abstract

Edamame (Glycine max (L.) Merril) is a legume commodity with high economic potential, and its production demand continues to increase in both domestic and export markets. However, edamame productivity is often constrained by pest attacks (OPT) such as Spodoptera litura, Etiella zinckenella, Riptortus linearis, and other major pests. In this study, the presence of spider predators in edamame plants was examined in relation to different concentrations of a botanical pesticide derived from paitan leaves (Tithonia diversifolia). Using a Randomized Block Design (RBD) with six treatments (P0, control), P1, P2, P3, P4, and P5, each with four replications, the study was place in Sembalun Village, East Lombok Regency, from May to July 2024. Three indices—the dominance index, the abundance index, and the Shannon-Wiener diversity index (H')—were used to evaluate the data. The results showed 6 spider genera from 5 families, with Pardosa and Pirata being the most dominant. The highest population was found in the control (P0) and decreased with increasing pesticide concentration. The highest diversity index was at P0 (H’=1.382) and the lowest at P5 (H’=1.222), with the evenness index categorized as moderate and the highest dominance index at P2 (0.372). In conclusion, higher concentrations of paitan leaf extract reduced the presence of spider predators, indicating that its application should consider appropriate doses to avoid harming natural enemies.
Co-Authors Akhdiyat, Hendra R. Akram, Ahdiatsa Hairi Amrul Jihadi Anton Anton Arum Dewi, Pervitara Bambang Supeno, Bambang Hapsari Hurum, Puji Hery Haryanto I Gusti Made Kusnarta I Ketut Ngawit, I Ketut Ilwati, Uun Juniawan, L. Akhmad M. Taufik Fauzi, M. Taufik Rahayu, Karani Dwi Siti Rohmaniati, Baiq Suwardji Taslim Sjah, Taslim Thei, Ruth Stella Petrunella Wahyuni, Srilah Nora