My Syahrawati

Universitas Andalas | ANDA · Plant Protection

Pardosa pseudoannulata and Menochilus sexmaculatus are two predators of the brown planthopper (BPH, Nilaparvata lugens, Hemiptera: Delphacidae) in rice fields. The research aimed to determine the predation and the competition model of P. pseudoannulata and M. sexmaculatus on different BPH densities. This study used a completely randomized design (C...

Pardosa pseudoannulata and Menochilus sexmaculatus are two predators of the brown planthopper (BPH, Nilaparvata lugens, Hemiptera: Delphacidae) in rice fields. The research aimed to determine the predation and the competition model of P. pseudoannulata and M. sexmaculatus on different BPH densities. This study used a completely randomized design (C...

Integrated Pest Management (IPM) is a pest control method that combines several control techniques by considering ecological, economic, and sociological consequences. Management efforts with IPM principles can be conducted by cultivating healthy plants and entomopathogen application. This study examined the IPM package's success for controlling fal...

Various endophytic fungi can live in plant tissues for all or part of their life cycle without causing damage or disease in their host. Several genera of endophytic fungi have been reported to be entomopathogenic and can be used to control insect pests. This study aimed to determine the diversity of endophytic fungi from rice stems that were entomo...

Trizelia, Rahma H, Syahrawati M. 2023. Diversity of endophytic fungi of rice plants in Padang City, Indonesia, entomopathogenic to brown planthopper (Nilaparvata lugens). Biodiversitas 24: 2384-2392. Various endophytic fungi can live in plant tissues for all or part of their life cycle without causing damage or disease in their host. Several genera...

MIPC is one of the insecticides widely used by farmers to control brown planthopper or BPH ( Nilaparvata lugens ) in Padang City, Indonesia. Excessive use of insecticides can cause BPH to become resistant, followed by the death of natural enemies. This study aimed to determine the suppression of joint predators ( Pardosa pseudoannulata and Verania...

Wereng batang coklat (Nilaparvata lugens Stal.) merupakan hama utama yang menyebabkan rendahnya produksi tanaman padi. Pengendalian hama ini dapat dilakukan dengan pemanfaatan agens hayati. Salah satunya cendawan Beauveria bassiana (Bals.) Vuill. Tujuan penelitian adalah untuk mengetahui pengaruh cendawan B bassiana yang diinokulasikan melalui beni...

Rosalia S, Yonariza, Syahrawati M. 2022. Effect of farmer's behavior in cocoa management on insect diversity in Salayo Cocoa Plantation, West Sumatra, Indonesia. Biodiversitas 23: 5064-5073. The behavior of farmers in cocoa cultivation will affect the cocoa (Theobroma cacao) plantation environment and all living things in it, including insects. Dis...

Pardosa pseudoannulata and Verania lineata are two generalist predators commonly found in rice fields. Only a few references indicate their presence as joint predators resulting in positive interactions to brown planthopper without competition. The research aimed to determine the predation rate of joint predators in competitive conditions. The rese...

Phidippus sp. (Araneae: Salticidae) is often found in rice field and has potency as the natural enemy of Nilaparvata lugens (Hemiptera: Delphacidae). The study aimed to know the predation of Phidippus sp on N. lugens in laboratory. The study used a Completely Randomized Design consisting of five treatments and five replications. The treatments were...

Jorong Parit Dalam Nagari Taeh Baruah Kecamatan Payakumbuh Kabupaten Limapuluh Kota merupakan salah satu nagari yang memiliki berbagai permasalahan seperti kekeringan, tingginya jumlah lahan tidur dan jauhnya akses. Tanaman utama yang ditanam saat musim hujan adalah padi sawah, namun sebagian besar lahan menjadi lahan tidur saat musim kemarau. Dala...

An arthropod is one of the critical animal groups in the agriculture ecosystem. The purpose of this research is to determine the effect of botanical insecticide mixed with formulation from Piper aduncum fruit and Tephrosia vogelii leaf as well as their application intensity against the diversity of soil arthropods. The research was conducted in cab...

Botanical insecticide nanoemulsion is an insecticide with a transparent emulsion system, and it is an oil and water dispersion stabilized by a surfactant molecule, which has a size ranging from 50 to 500 nm. The experiment was conducted in Biota Sumatera Laboratory Faculty of Pharmacy and Insect Bioecology Laboratory Faculty of Agriculture Andalas...

Camel groundbeetle (Ophionea nigrofasciata Schmidt-Goble 1846) or CGB is reported as one of predators of brown planthopper Nilaparvata lugens Stal 1854) or BPH. The difference in BPH densities is assumed to affect the predation rate of the CGB. This study aimed to determine the predation rate of CGB on BPH at different densities. This experiment us...

Nelly N, Khairul U, Putri AY, Hamid H, Syahrawati MY. 2020. Isolation and selection of maize plants rhizobacteria with the potential of entomopathogens against Spodoptera litura F (Lepidoptera: Noctuidae). Biodiversitas 21: 753-758. Spodoptera litura is a polyphagous pest that can be controlled with entomopathogen. Furthermore, Rhizobacteria derive...

Padi merupakan salah satu komoditas pertanian utama Provinsi Sumatera Barat. Namun demikian, tingkat produktivitas tanaman padi di Sumatera Barat untuk padi beririgasi masih rendah, yaitu sekitar 4 ton per hektare. Produktivitas padi tersebut masih bisa ditingkatkan lagi dengan menggunakan berbagai teknologi, antara lain dengan penggunaan benih ung...

Serangan wereng batang coklat atau WBC (Nilaparvata lugens) di Sumatra Barat telah tercatat sejak tahun 2012, dan terus mengalami peningkatan sepanjang tahun 2015-2017. Laba-laba serigala (Pardosa pseudoannulata) dan kumbang bemo (Verania lineata) adalah dua jenis predator yang dapat dimanfaatkan untuk menjadi pengendali alami. Beberapa laporan pen...

Endemic areas of brown planthopper or BPH (Nilaparvata lugens Stal 1854, Hemiptera: Delphacidae) is an area that always provides BPH in each planting season. Kuranji and Nanggalo Sub-districts are two endemic areas in Padang City. The study aimed to determine the population structure of BPH on IR 42 variety in endemic area of Padang City. The study...

Wereng batang coklat atau WBC (Nilaparvata lugens Stal.) merupakan salah satu hama utama pada tanaman padi yang dapat menyebabkan kerusakan dalam waktu relatif singkat. Serangan hama ini mulai mengemuka di Sumatera Barat sejak tahun 2009-2017. Insektisida berbahan aktif buprofezin adalah salah satu insektisida yang banyak digunakan untuk mengendali...

Biocontrol agents can be derived from endophytes or healthy plant tissues. The entomopathogenic bacterial group derived from corn plant tissue has the potential as a biopesticide. The study aimed to obtaine entomopathogenic bacterial isolates, which can kill test insects and be safe for other living organisms. Roots of healthy corn plants collected...

Nelly N, Syahrawati MY, Hamid H, Habazar T, Gusnia DN. 2019. Diversity and characterization of entomopathogenic fungi from rhizosphere of maize plants as potential biological control agents. Biodiversitas 20: 1435-1441. The diversity and characters of entomopathogenic fungi in soil are influenced by cultivation techniques. This study aims at determ...

Cultivation techniques that are usually followed in rice cultivation is believed to greatly affect the interaction between arthropods in form of bottom-up and top-down ways, which in turn, affects their diversity and abundance. Beside of that, the spider is generalist predator that has a great potential as a biological pest control agent. This rese...

Syahrawati M, Nelly N, Hamid H, Efendi S. 2018. Short Communication: Abundance of corn planthopper (Stenocranus pacificus Kirkaldy 1907, Hemiptera: Delphacidae) on five new corn varieties. Biodiversitas 19: 1029-1034. Both local and hybrid corn varieties have been attacked by Stenocranus pacificus or corn planthopper frequently grown in West Sumatr...

A study about the abundance of corn planthopper Stenocranus pacificus and diversity of it's potential natural enemies in West Sumatra, Indonesia was conducted from July until October 2016 in Pasaman Barat, Limapuluh Kota and Tanah Datar. The method was purposive random technique sampling. Sampling Stenocranus pacificus Kirkaldy (Hemiptera: Delphaci...

A study about the abundance of corn planthopper Stenocranus pacificus and diversity of it's potential natural enemies in West Sumatra, Indonesia was conducted from July until October 2016 in Pasaman Barat, Limapuluh Kota and Tanah Datar. The method was purposive random technique sampling. Sampling Stenocranus pacificus Kirkaldy (Hemiptera: Delphaci...

In Indonesia, lobster moth (Neostauropus alternus) is called by ulat kuda, uler jaran or hileud kuda. The larva has 4 + 1 pair prolegs; 4 pairs prolegs located on A3-6, while one pair proleg is on A10 which is modified as like as a pair of antenna or spines. The A10 prolegs lifted upwards when the larva is resting so it looks like pegs (peglike str...

In Indonesia, lobster moth is called by ulat kuda, uler jaran or hileud kuda. The larva of Notodontidae has 4 + 1 pair prolegs; 4 pairs prolegs located on A3-6, while one pair proleg is on A10 which is modified as like as a pair of antenna or spines . The A10 prolegs lifted upwards when the larva is resting so it looks like pegs (peglike structure)...

The differences season affected the diversity and abundance of herbivores-carnivores. In the rainy season, organic fertilizers increased the diversity and abundance of herbivores but did not affect the abundance of carnivores, whereas less water irrigation did not affect the diversity and abundance of herbivores-carnivores. In the dry season, apply...

p> Metarhizium spp. is one of the entomopathogenic fungus that can be used to control Spodoptera litura . The purpose of this research was to study the pathogenicity of Metarhizium spp. to Spodoptera litura eggs. The isolates were collected from rhizosphere of different crops i.e., cabbage, onion, leek and chili. The results showed that there was e...

Pardosa pseudoannulata (Araneae: Lycosidae) and Verania lineata (Coleoptera: Coccinellidae) are common predator found in agro ecosystem. Several studies have described the ability of these predators to prey on Nilaparvata lugens (Hemiptera: Delphacidae). However, the study that explained the density impact of N.lugens on the ability predation in co...

Diversity of herbivore-carnivore on organic rice with less water in Yogyakarta

IBM's program was conducted in August-November 2010 to 30 farmers women at RW 8 Kelurahan Koto Panjang Ikur Koto, Padang City. The program aimed to control the brown planthopper as integrated with utilizing local resources, avoiding synthetic inputs. The program consists of debriefing, practice, making a demplot, identifying of insects (pests, pred...

Patogenicity of Some Isolates Entomopatogen Fungus, Metarhizium spp. On eggs of Spodoptera litura Fabricus (Lepidoptera: Noctuidae). Metarhizium spp. is one of the entomopathogenic fungus that can be used to control Spodoptera litura. The purpose of this research was to study the pathogenicity of Metarhizium spp. to Spodoptera litura eggs. The isol...

Diversity of Coccinellidae as Predator on Vegetables Crops in Padang. Coccinellidae as predator are the main predator of small aphids and other insects that attack many types of crops, including vegetables. Three main types of vegetables in Padang are long beans, cucumber, and eggplant. There has been no report about the existence coccinellidae pre...

Pest and Its Predator on Long Bean Field (Vigna sinensis (L.) Savi Ex Has) in Padang, West Sumatera. The research was done on April-Desember 2009 at Kuranji and Koto Tangah Distric. The research used survey methods collecting insect directly and also using yellowtrap, light trap, fittfall trap, and insect net. Based on the research, was found 2 imp...