18 hasil untuk "Reflinaldon Reflinaldon"
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Artikel Jurnal
Effect of the Application Time of Paecilomyces spp. on t he Pressure of Root - Knot Nematodes ( Meloidogyne spp.) on Tomato ( Lycopersicum esculentum Mill.)
The application time of Paecilomyces spp. was assumed affecting its ability to suppress the root knot nematode (Meloidogyne spp.). This study aimed to get the effective application time to suppress Meloidogyne spp. The study was carried out at greenhouse and Biological Control Laboratory of Faculty…
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Pathogenicity of Entomopathogenic Fungi from Peanut Rhizosphere ( Arachis hypogaea Linnaeus) to Pod Borer Etiella zinckenella Treitschke (Lepidoptera: Pyralidae)
The objective of this study was to get entomopathogenic fungi isolates of bean plant rhizosphere derived from Nagari Sawah Tangah, District Pariangan, Tanah Datar Regency and to determine their pathogenicity on pod borer E. zinckenella. Isolation method was performed by diluting the soil samples in…
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Reproduksi Hemiptarsenus varicornis (Hymenoptera: Eulophidae) : pengaruh ketinggian tempat, suhu dan tanaman inang terhadap keperidian
H. varicornis is a larval parasitoid of leafminer distributing and associating with several host plants in highland vegetables planting. Three experiments were conducted to study effects of elevations, temperatures and host plants on female reproduction fitness. The first experiment, we compared…
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Artikel Jurnal
Distribution and Attack Rate of Spodoptera frugiperda on Maize in Sijunjung District, West Sumatera Province
The density and attack rates of Spodoptera frugiperda have been reported in various maize cultivation in Indonesia, but there has never been a report in Sijunjung District, West Sumatra. The research was conducted to study the attack level, density, and distribution of S. frugiperda in Sijunjung…
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Artikel Jurnal
Host Susceptibility Patterns of Local Chili Varieties to Bactrocera spp. in West Sumatra: Diversity, Infestation, and Cluster Analysis
Fruit flies (Diptera: Tephritidae) are major pests of chili (Capsicum annuum Linnaeus) in tropical agroecosystems, but information on species dominance, infestation levels, and field susceptibility patterns of local chili varieties in West Sumatra remains limited. This study investigated Bactrocera…
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Artikel Jurnal
Effectiveness of Dose and Application Interval of Ocimum sanctum Essential Oil as Bactrocera spp. Attractant on Siamese Orange Plants
Fruit flies (Bactrocera spp.) are the most detrimental pests on siamese orange fruit (Citrus nobilis Linnaeus). One technique to control fruit flies that are safe for the environment and do not cause residues on plants is the use of attractants. The research aimed to study the effect of dose and…
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Artikel Jurnal
The Species Composition of Fruit Flies and Their Parasitoids on Local Red Chilli (Capsicum annuum L.) In West Sumatra, Indonesia
Fruit fly infestation remains a major constraint in red chili production in Indonesia, yet the identity of the dominant pest species and the role of parasitoids remain inadequately documented in West Sumatra. This study analyzed the composition, abundance, and distribution of fruit flies and their…
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Artikel Jurnal
Infestation Levels of Fruit Flies on Red Chili Pepper (Capsicum annuum L.) In Different Altitude
Fruit flies (Diptera: Tephritidae) are among the most economically important pests of horticultural crops, yet the ecological drivers shaping their infestation patterns along altitudinal gradients remain insufficiently understood in tropical agroecosystems. This study examined how altitude…
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Artikel Jurnal
Whitefly, Bemisia tabaci Genn. (Hemiptera: Aleyrodidae) Control using a Solid Formulation of Selected Endophytic Bacteria, Bacillus pseudomycoides Strain SLBE 1.1SN
Bemisia tabaci is a major pest in chili as it can act as a vector for transmitting the yellow curl virus. Endophytic bacteria have been reported to trigger plant defense against whiteflies. This study aimed to obtain a solid formula for the endophytic bacteria B. pseudomycoides strain SLBE1.1SN and…
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Bioactivity Test of Gambir (Uncaria gambir Roxb) Processing Waste as an Environmentally Friendly Alternative for Pest Control Using Nano Technology
The gambir plant can serve as a raw material for botanical insecticides. Plant-based insecticides are made in nanoemulsion form to overcome the insecticide particle size problem. This study aims to obtain a gambir waste form that has the potential to be used as a botanical insecticide using…
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Artikel Jurnal
The first report of the cassava lace bug (Hemiptera: Tingidae) and their impact on cassava plants on Sumatra Island, Indonesia
Abstract The cassava lace bug (Hemiptera: Tingidae), an invasive pest from South America, has significantly threatened cassava (Manihot esculenta) cultivation in Indonesia. The study aimed to identify lace bug species and assess their impact on cassava in Lima Puluh Kota Regency, West Sumatra…
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Artikel Jurnal
TANTANGAN PENGEMBANGAN PADI DIKABUPATEN KEPULAUAN MENTAWAI
This study aims to identify the problems and develop rice agribusiness in Mentawai Islands from upstream to downstream and formulate appropriate policy recommendations to be implemented. The research location determined by purposive namely in the village Makalo and Malakopa District of South Pagai…
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Focus Group Discussion Masalah Pertanian dan Pemberdayaan Masyarakat melalui Penanaman Pohon Bambu di Salingka Kampus Universitas Andalas
Land conditions in Sungkai, Padang City, have slopes and high rainfall. The causes low water absorption capacity. For this reason, it is necessary to plant plants that can help increase water absorption, one of which is bamboo plants. This activity was carried out on November 6, 2021, to empower…
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Artikel Jurnal
Spatial assessment of soil fertility index on tropical mineral soil across land units in Padayo farming community, West Sumatra
Soil fertility is one of the primary aspects determining agricultural productivity, especially in tropical mineral soils, where nutrient constraints frequently limit crop growth and yield. This study aimed to (a) assess and map the Soil Fertility Index (SFI) across different land units, (b)…
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INOVASI PENANAMAN BIBIT AREN UNTUK KONSERVASI DI BANTARAN SUNGAI BATANG HARI DI NAGARI SUNGAI DAREH KABUPATEN DHARMASRAYA
Nagari Sungai Dareh Kecamatan Pulau Punjung Kabupaten Dharmasraya merupakan kawasan yang terletak di tepi Sungai Batang Hari. Sungai harus dilindungi dan dipelihara kelestariannya serta ditingkatkan fungsi dan manfaatnya guna kesehatan dan keberlanjutan ekosistem. Penanaman aren di bantaran sungai…
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DISEMINASI PGPR SEBAGAI BIOAKTIVATOR DEKOMPOSISI BAHAN ORGANIK DI KELOMPOK USAHA TANI NAGARI SUNGAI ABANG KECAMATAN LUBUK ALUNG KABUPATEN PADANG PARIAMAN
Nagari Sungai Abang merupakan salah satu wilayah di Kecamatan Lubuk Alung yang menjadi salah satu sentra produksi padi di Kabupaten Padang Pariaman. Salah satu kelompok tani yang menanam padi secara intensif adalah kelompok Usaha Tani. Permasalahan pada kelompok tani adalah ketidaktahuan mereka…