Article Per Year (5 Year)
p-Index From 2020 - 2025
1.203
P-Index
This Author published in this journals
All Journal Agrikultura Cropsaver : Journal of Plant Protection Soil REns
Vira Kusuma Dewi
Centre For Product Development And Partnership Study (Puspromit), Department Of Plant Pests And Diseases, Agriculture Faculty, Universitas Padjadjaran, Tanjung Sari, West Java, Indonesia, 45363
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology

Published : 10 Documents Claim Missing Document
Claim Missing Document
Check
Articles

Found 10 Documents
Search

 1 
Toxicity of Neem Cake Extract (Azadirachta indica) to Aphis glycine on Soybean Plant Ratmaneli Ratmaneli; Danar Dono; Vira Kusuma Dewi
CROPSAVER Vol 2, No 1 (2019)
Publisher : Departemen Hama dan Penyakit Tumbuhan Fakultas Pertanian Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (555.865 KB) | DOI: 10.24198/cropsaver.v2i1.22722

Abstract

Aphis glycine is one of the soybean pests that can develop rapidly and cause yield loss. Neem is a plant known as botanical incesticide. This study tested the toxicity of neem cake against A. glycine and its effect on increasing tannin content in the soybean plant. The effect of neem cake extract to the mortality of A. glycine was tested by spray method and root dipping method. The application was carried out on four-week-old soybean plants with 10 individual of adult A. glycine as test insects.  Observations were carried out every day for 8 DAT (day after treatmen) by counting the population of A. glycine. The testing of tannin levels and azadirachtin content  is done by applying neem cake extract using root dipping method. The treatment is divided into two groups, which are infested plants and non-invested plants by A. glycine. The leaf of soybean (fourth day after application) was taken as samples for tannin and azadirachtin analysis. The results showed that the extract of neem cake at the spray method caused the death of A. glycine up to 97% at a concentration 2.5%. The root dipping method could make mortality of nymphs (new born) 100% at concentrations of 0.1% and 0.125% at 8 DAT , but cannot make mortality to adult of A. glycine. The tannin content in soybean plants (with A. glycine and without A. glycine invested) was increased after 0.125% neem cake application. Azdirachtin uptake was not detected at concentrations of 0.125% and 0.250% at 5 DAT. Neem cake extract can suppress A. glycine population in soybean plants and increase of tannin content in plants. 
Density, Distribution and Population Structure of Apple Golden Snail (Pomacea canaliculata L.) in Organic and Conventional Paddy field Ecosystems Vira Kusuma Dewi; Brinadia Solihati; Wawan kurniawan; Ceppy Nasahi; Nur Fitrianti
CROPSAVER Vol 4, No 2 (2021)
Publisher : Departemen Hama dan Penyakit Tumbuhan Fakultas Pertanian Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24198/cropsaver.v4i2.37560

Abstract

Golden snail is one of the important pests that attack paddy crops. The structure of golden snail is divided into 3 based on the size of the shell diameter, namely juveniles (0.5-1 cm), preadults (1-2.5 cm), and adults (2.5-4 cm). The paddy cultivation system can affect the golden snail population. The purpose of this study was to determine the density, distribution and population structure of the golden snail (Pomacea canaliculata L.) with case studies in Cicalengka (conventional field) and Ciparay (organic field), District of Bandung, from October 2020-January 2021. This research used survey method with sampling technique in purposive sampling.  At each location divided into 5 fields with sized 10x5 m which were divided into 7 quadrant plots. Sampling was carried out at the age of paddy crops 14,21,28, and 35 days after planting. The observerd parameters were density, distribution pattern using the Index of Morisita (Id) and population structure of P. canaliculata. The results showed that the density of P. canaliculata in organic field was higher than in conventional field. The average population structure of pre-adult golden snails in organic and conventional rice fields was significantly different at 14-35 days after planting (DAP) and adult golden snails at 14, 28, and 35 DAP. Distribution pattern of P. canaliculata in organic and conventional were grouped.
Cases of Fall Army Worm Spodoptera frugiperda J. E. Smith (Lepidoptera: Noctuidae) Attack on Maize in Bandung, Garut and Sumedang District, West Java. Yani Maharani; Vira Kusuma Dewi; Lindung Tri Puspasari; Lilian Rizkie; Yusup Hidayat; Danar Dono
CROPSAVER Vol 2, No 1 (2019)
Publisher : Departemen Hama dan Penyakit Tumbuhan Fakultas Pertanian Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (925.498 KB) | DOI: 10.24198/cropsaver.v2i1.23013

Abstract

Pengaruh Aplikasi Kompos Gulma Siam Chromolaena odorata terhadap Produksi Senyawa Metabolit Sekunder sebagai Ketahanan Tanaman pada Tanaman Cabai Vira Kusuma Dewi; Nugroho Susetya Putra; Benito Purwanto; Santika Sari; Sri Hartati; Lilian Rizkie
Soilrens Vol 17, No 1 (2019)
Publisher : Fakultas Pertanian Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (553.754 KB) | DOI: 10.24198/soilrens.v17i1.23215

Abstract

Chromolaena odorata (L.) is a organic material as potential compost and botanical pesticides since it compounds have the potential as a pesticides is secondary metabolite. The aim of this research was to know the effects of siam weed Chromolaena odorata compost on production of secondary metabolites in the chili. The experiment was arranged in complete randomized design consisted of four treatments (no fertilizer, cow manure, siam weed compost and inorganic fertilizers) and four replications. The research was done by comparing the chemical content of leaves analyzed by Gas Chromatography-Mass Spectrometry (GC-MS) and phytochemical test. This study was conducted from September 2010 to Februari 2011, in the green house of Departement Plant Pest & Diseases, Faculty of Agriculture. In order to the extraction and characterization of secondary metabolites was conducted at the Laboratory of Chemistry, Universitas Gadjah Mada.  Overall, the results of study showed that C. odorata compost could give positive effect on production of secondary metabolites as follow terpenoid, alkaloid, steroid and flavonoid on chili
Pengaruh Pupuk Organik Gulma Siam (Chromolaena odorata L.) dan Ampas Bungkil Mimba (Azadiracta indica A.Juss) pada Sifat Kimia Tanah dan Performa Tanaman Padi Hitam Rizky Fauzi; Octaviani .; Reynaldi Yunior; Vira Kusuma Dewi; Santika Sari; Sri Hartati; Dwi Harya Yudistira; Yongki Umam Sandi
Soilrens Vol 16, No 2 (2018)
Publisher : Fakultas Pertanian Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (586.386 KB) | DOI: 10.24198/soilrens.v16i2.20864

Abstract

ABSTRACT A black rice cultivation study was conducted at Kampung Cinenggang, Cileles Villages, Jatinangor.  This research analyzed the effect of organic fertilizer such as siam weed compost and neem cake waste to black rice growth and soil chemicals. The experiment was arranged in randomized block design consisted of five treatments and six  replications as follow : neem cake waste , siam weed compost, cow manure, urea  were used as the N sources by comparing with no application (control). Overall the result of the study showed that there were no significant differences among treatment in plant growth characters such as plant height and SPAD, except control. In tiller number, the effect of neem cake waste and siam weed compost were significant different if compared with other treatments. Furthermore, the effect of neem cake waste gives a positive effects to soil chemicals which in turn enhanced the growth of black rice. it is recommended that organic fertilizers (neem cake waste and siam weed compost) be utilized instead of chemical fertilizer.  Keywords:  black rice , neem cake waste, organic fertilizer,  siam weed compost, plant growth, soil chemicals
Preferensi dan Waktu Aktif Harian Kunjungan Burung Bondol Jawa (Lonchura leucogastroides) terhadap Fase Pertumbuhan Padi (IR-36) di Lahan Sawah Jatinangor Ichsan Nurul Bari; Ai Siti Santriyani; Wawan Kurniawan; Reginawanti Hindersah; Tarkus Suganda; Vira Kusuma Dewi
Agrikultura Vol 32, No 1 (2021): April, 2021
Publisher : Fakultas Pertanian Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24198/agrikultura.v32i1.31450

Abstract

Burung bondol jawa (Lonchura leucogastroides) merupakan salah satu hama pada tanaman padi ketika memasuki fase generatif. Petani seringkali menjaga sawah selama sehari penuh untuk mengendalikan hama burung. Cara tersebut kurang efektif karena banyak waktu petani yang terbuang hanya untuk mengendalikan burung. Penelitian ini bertujuan untuk mengetahui tingkat kematangan padi yang disukai bondol jawa dan mengetahui kelimpahan kunjungan tertinggi burung bondol jawa di sawah. Penelitian dilakukan pada bulan Maret hingga bulan Mei 2020 bertempat di lahan sawah milik petani di Desa Cileles, Jatinangor dan Laboratorium Vertebrata, Fakultas Pertanian, Universitas Padjadjaran. Metode uji kelimpahan kunjungan tertinggi dilakukan dengan menghitung jumlah burung yang berkunjung pada lahan penelitian. Sementara itu, metode uji preferensi pada bondol jawa dilakukan dengan membandingkan bagaimana cara makan bondol jawa ketika diberi pakan padi yang matang susu dan padi yang sudah matang penuh. Hasil penelitian menunjukkan bahwa bondol jawa menyerang sepanjang pengamatan, yaitu 11 MST-14 MST. Tingkat kematangan padi yang disukai bondol jawa adalah saat matang susu. Kelimpahan bondol jawa mengunjungi sawah adalah saat sore hari, yaitu mulai dari jam 14.00 hingga jam 17.00. Hal ini menunjukkan bahwa masa tersebut dapat digunakan petani untuk mengendalikan hama burung di sawah.
Arthropoda Permukaan Tanah : Kelimpahan, Keanekaragaman, Komposisi dan Hubungannya dengan Fase Pertumbuhan Tanaman pada Ekosistem Padi Hitam Berpupuk Organik Vira Kusuma Dewi; Rizky Fauzi; Santika Sari; Sri Hartati; Siska Rasiska; Yongki Umam Sandi
Agrikultura Vol 31, No 2 (2020): Agustus, 2020
Publisher : Fakultas Pertanian Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24198/agrikultura.v31i2.28654

Abstract

Arthropoda permukaan tanah merupakan bagian penting dari suatu ekosistem di dalam tanah yang berperan dalam proses dekomposisi, aerasi dan siklus nutrisi. Tujuan penelitian adalah mengetahui pengaruh pupuk organik asal ampas bungkil mimba dan gulma siam terhadap kelimpahan, keanekaragaman dan komposisi arthropoda permukaan tanah dan hubungannya dengan fase pertumbuhan tanaman pada ekosistem sawah padi hitam. Percobaan dilaksanakan di Cinenggang, Desa Cileles, Kecamatan Jatinangor, Kabupaten Sumedang sejak bulan April – November 2018. Penelitian dilakukan dengan metode eksperimen menggunakan Rancangan Acak Kelompok (RAK) terdiri dari lima perlakuan yaitu kontrol (tanpa pupuk), pupuk ampas bungkil mimba, kompos gulma siam, pupuk kohe sapi, dan NPK yang diulang sebanyak enam kali. Berdasarkan hasil penelitian diperoleh sembilan famili arthropoda permukaan tanah yang terdiri dari famili Carabidae, Curculionidae, Staphylinidae, Formicidae, Acrididae, Gryllidae, Gryllotalpidae, Nepidae, dan Lycosidae. Pada semua perlakuan, kelimpahan arthropoda permukaan tanah yang mendominasi dari famili (Carabidae, Formicidae) yaitu perlakuan kontrol (117; 31 individu), pupuk ampas bungkil mimba (142; 159 individu), kompos gulma siam (160; 98 individu), pupuk kohe sapi (102; 74 individu) dan pupuk NPK (93; 70 individu). Hasil penelitian juga menunjukkan bahwa perlakuan pupuk ampas bungkil mimba dan kompos gulma siam memperlihatkan kelimpahan karnivor tertinggi, namun tidak berbeda nyata pada herbivor. Keanekaragaman arthropoda permukaan tanah pada semua perlakuan (kontrol, pupuk ampas bungkil mimba, kompos gulma siam, pupuk kohe sapi, pupuk NPK) memiliki nilai indeks keragaman sedang (1,470; 1,310; 1,377; 1,585; 1,638). Selanjutnya, perlakuan ampas bungkil mimba dan kompos gulma siam menunjukkan total arthropoda permukaan tanah tertinggi  pada fase vegetatif bila dibandingkan dengan perlakuan pupuk kohe sapi, NPK dan kontrol. Namun pada fase generatif, perlakuan pupuk kohe sapi yang memperlihatkan total arthropoda permukaan tertinggi dibandingkan perlakuan lainnya.
Aplikasi Pupuk Organik terhadap Diversitas Arthropoda Akuatik serta Performa Tanaman Padi Hitam pada Ekosistem Sawah Vira Kusuma Dewi; Tiara Febricyanti Putri Senjaya; Fitri Widiantini; Agus Susanto; Sri Hartati; Lindung Tri Puspasari; Rika Meliansyah
Soilrens Vol 20, No 1 (2022)
Publisher : Dept Ilmu Tanah & Sumberdaya Lahan Fakultas Pertanian Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24198/soilrens.v20i1.41354

Abstract

The aquatic ecosystems in rice fields has macroorganisms such as aquatic arthropods which have an important function in the food web. The siam weed and neem cake can be utilized as organic fertilizer to support the productivity and biodiversity of the paddy field, This research aims to understand application of organic fertilizer on diversity of aquatic arthropods and black rice performance in the field ecosystem. The experiment was carried out in paddy field at Jatinangor from January to June 2020. The method used was an experimental method with a Randomized Complete Block Design consisted of five treatments (neem cake, siam weed compost, cow manure, synthetic fertilizer and control) with six replications. The result showed that the abundances of aquatic arthropods have tendency to be higher in neem cake at 1104 individuals and siam weed compost treatments at 905 individuals compared to the cow manure, NPK and control. Furthermore, the diversity index of the aquatic arthropods in all treatments were categorized as moderate with details as follow neem cake (H’=1,726), cow manure (H’=1,450); synthetic fertilizer (H’=1,458); siam weed compost (H’=1,450) and control (H’=1,502). In addition, the evenness index (E) of aquatic arthropods was higher in neem cake treatment (E=0,623) compared to other treatments. Whereas, the dominance index (C) and richness index (R) in all treatments showed no dominant species and it classified as low category. The results also showed that the siam weed compost were not significantly different with all treaments except NPK (synthetic fertilizer) in plant hight, tiller number and SPAD value.
Kepadatan Populasi dan Pola Distribusi Keong Mas (Pomaceae canaliculta L.) pada Ekosistem Sawah di Kecamatan Jatinangor Vira Kusuma Dewi; Rizky Ramdhani; Tarkus Suganda; Lindung Tri Puspasari; Rika Meliansyah
Soilrens Vol 20, No 2 (2022)
Publisher : Dept Ilmu Tanah & Sumberdaya Lahan Fakultas Pertanian Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24198/soilrens.v20i2.45272

Abstract

Golden snail (Pomacea canaliculata L.) one of a keypests in rice cultivation in Indonesia. There are three species of golden snails in Indonesia, these are P.canaliculata L., P. insularum D., and P. paludosa S. The purpose of this research was to determine the population density and distribution pattern of golden snails (P. canaliculata) at Jatinangor rice fields. The research was conducted from June 2020 to August 2020 with purposive sampling method on 24 rice fields in 12 villages, specifically Hegarmanah, Cibeusi, Cikeruh, Cipacing, Sayang, Cileles, Cilayung, Cisempur, Cintamulya, Jatimukti, Mekargalih, and Jatiroke in Jatinangor, Sumedang and golden snails identification was conducted at the laboratory. The sample was taken by using purposive sampling method. Each rice fields used as a sampling location has a size 10 m x 5 m with 2 rice fields were determined for sampling in each village. Therefore, total research location was 24 rice fields. Two lands were taken from one village with a distance of ± 1 km between the fields. This is done to get a comparison of environmental conditions. The results showed that the density of snails in the rice fields of Jatinangor was categorized rare with an average density of 3.33 individuals/m². The difference in the density of snails in each area in Jatinangor was caused by differences in the age/phase of rice plants and control techniques. Furthermore, distribution pattern of the golden snail at the rice fields of Jatinangor has a clumped pattern for all locations
Aplikasi Berbagai Jenis Pupuk terhadap Serangga Terrestrial dan Pertumbuhan Tanaman Padi Hitam Vira Kusuma Dewi; Reynaldi Reynaldi; Toto Sunarto; Santika Sari; Lindung Tri Puspasari; Rika Meliansyah
Soilrens Vol 21, No 1 (2023)
Publisher : Dept Ilmu Tanah & Sumberdaya Lahan Fakultas Pertanian Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24198/soilrens.v21i1.49436

Abstract

Paddy field ecosystem is a complex ecosystem and build a food web. Tri-trophic interaction in paddy field involves rice plants as producers, phytophagous and neutral insects as first consumers, and their natural enemies as second consumers..This study was conducted to analyze the effect of siam weed and neem cake compost on abundance arthropod in black rice. The experiment was carried out in paddy field at Jatinangor from May to November 2018. The experimental method was used a randomized Complete Block Design with five treatment as follow neem cake, siam weed compost, cow manure, synthetic fertilizer and control) and six replications. The results showed, that arthropods abundance and plant performance including plant height, tiller number and SPAD value were higher in siam weed compost and neem cake treatment if compared with other treatments. Furthermore, there were strong correlation between insect herbivore with natural enemies in siam weed treatment.
Co-Authors Agus Susanto Ai Siti Santriyani Bari, Ichsan Nurul Benito Heru Purwanto Brinadia Solihati Ceppy Nasahi Danar Dono Danar Dono Dwi Harya Yudistira Fitri Widiantini Lilian Rizkie Lilian Rizkie Lindung Tri Puspasari Nugroho Susetya Putra Nur Fitrianti Octaviani . Ratmaneli Ratmaneli Reginawanti Hindersah Reynaldi Reynaldi Reynaldi Yunior RIKA MELIANSYAH Rizky Fauzi Rizky Fauzi Rizky Ramdhani Santika Sari Santika Sari Siska Rasiska Sri Hartati Tarkus Suganda Tiara Febricyanti Putri Senjaya Toto Sunarto Wawan Kurniawan Yani Maharani Yongki Umam Sandi Yongki Umam Sandi Yusup Hidayat