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Kota jambi,
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INDONESIA
Jurnal Media Pertanian
Published by Universitas Batanghari Jambi
ISSN : 25031279     EISSN : 25811606     DOI : -
Core Subject : Education, Agriculture,
Agriculture, Biological Sciences & Forestry Languange, Linguistic, Communication & Media
urnal Media Pertanian dipublikasikan dalam Bahasa Indonesia dan diterbitkan dua kali dalam setahun. Jurnal ini mempublikasikan artikel hasil penelitian dan artikel review bidang ilmu Agronomi secara luas.
Arjuna Subject : -
Articles 12 Documents
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Search results for , issue "Vol 7, No 2 (2022): Oktober" : 12 Documents clear
Perkembangan Resistensi Wereng Batang Padi Cokelat (Nilaparvata lugens Stal) di Sentra Produksi Padi Kabupaten Tanjung Jabung Barat dan Tanjung Jabung Timur Yuni Ratna; Wilma Yunita; Elly Indra Swari; Dea Diyan Putri; Rahayu Hermita Sinaga
Jurnal Media Pertanian Vol 7, No 2 (2022): Oktober
Publisher : Universitas Batanghari

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33087/jagro.v7i2.158

Abstract

The research took place from June-October 2020 at the rice production centersin Tanjung Jabung Barat and Tanjung Jabung Timur regency Jambi province. The resistance test of Nilaparvata lugens to the active ingredients of insecticide was carried out at the Pesticide and Weed Laboratory, Faculty of Agriculture, Jambi University. This study aimed to determine the resistance level of N. lugens of Rawa Medang and Sri Agung population (Batang Asam district, Tanjung Jabung Barat regency), and Parit Culum II and Teluk Dawan population (Muara Sabak district, Tanjung Jabung Timur regency) to the insecticides used. The active ingredients of insecticide tested were abamektin and dimehipo (N. lugens of Rawa Medang and Sri Agung population), and BPMC and fipronil (N. lugens of Parit Culum II and Teluk Dawan population). Mass rearing of N. lugens was carried out at the Pesticide and Weeds Laboratory using Ciherang variety as feed. Insecticide toxicity test on macroptera female adults of N. lugens was carried out by the feed dipping method with two stages, namely preliminary and main tests. Preliminary test was carried out on N. lugens field population 2nd generation (F2), while main test was carried out on field population (F2) and standard population (F41). The observed variables were N. lugens mortality and resistance ratio (NR). Mortality data of N. lugens at 72 hours after insecticide application was analyzed probit using the PoloPlus program. The results showed that N. lugens of Rawa Medang population has been resistant (NR=6.2) to abamektin and indicated to be resistant to dimehipo (NR=1.5), while Sri Agung population was indicated to be resistant to abamektin (NR=2.9) and dimehipo (NR=1.5). N. lugens of Parit Culum II population has been resistant to BPMC (NR=4.94) and fipronil (NR=44.62), while Teluk Dawan population was indicated to be resistant to BPMC (NR=2.76)
Karakteristik Komunitas Serangga Pengunjung Bunga Pada Beberapa Tanaman Refugia Wilyus Wilyus; Winarto Winarto; Fuad Nurdiansyah
Jurnal Media Pertanian Vol 7, No 2 (2022): Oktober
Publisher : Universitas Batanghari

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33087/jagro.v7i2.149

Abstract

This study was conducted to determine the characteristics of the insect community of flower visitors on several refugia plants. The research was carried out in the experimental field of the Faculty of Agriculture, Jambi University and the Laboratory of Plant Pests, Faculty of Agriculture, Jambi University. Samples of flower-visiting insects were taken using the yellow pan trap, pitfall trap, and sweep trap. The insects obtained were identified in the Laboratory of the Faculty of Agriculture, Jambi University. Characteristics of insect communities in refugia plants were calculated using the formulas of diversity index, similarity index, dominance index, and similarity index. The results showed that the abundance of species and populations of insects was most commonly found in Zinnia elegans flowers. Most predatory insects were found in Z. elegans flowers, pollinator insects were most abundant in Helianthus annuus flowers, and pollinators were most abundant in Z.  elegans flowers. The characteristics of the insect community in the most stable refugian plant were found in Tagetes erecta flowers. The highest similarity of insect communities was found in Cosmos caudatus flowers and Impatiens balsamina flowers. 

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