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Journal articles on the topic 'Spodoptera litura'

Author: Grafiati

Published: 4 June 2021

Last updated: 13 February 2022

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1

Rosmiati, Ayu, Cecep Hidayat, Efrin Firmansyah, and Yati Setiati. "Potensi Beauveria bassiana sebagai Agens Hayati Spodoptera litura Fabr. pada Tanaman Kedelai." Agrikultura 29, no. 1 (April 6, 2018): 43. http://dx.doi.org/10.24198/agrikultura.v29i1.16925.

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ABSTRACTThe Potency of Beauveria bassiana as a biological control agent of Spodoptera lituraThe attack of Spodoptera litura can result in the decrease of soybean yield, so that the soybean production cannot fulfill the demand of soybean. The objective of the study was to examine the potency of Beauveria bassiana as a biological control agent of Spodoptera litura. The research was conducted at the Pest Laboratory, Departement of Agrotechnology, UIN Sunan Gunung Djati Bandung from January to March 2017. The research was carried out using Completely Randomized Design (RBD) with six treatments of B. bassiana spore density and four replications. The treatments were spore densities of 100 (control), 102, 104, 106, 108, and 1010/ml aquades that applied to the instar II of S. litura larvae. The advanced test used was Duncan's advanced test of 5%. The results showed that the B. bassiana density spore of 1010/ml aquades caused the highest S. litura larvae mortality of 82.50% and the lowest weight of food eaten by S. litura larvae of 0.79 g.Keywords: Biocontrol Agent, Beauveria bassiana, Spodoptera litura, SoybeanABSTRAKSerangan Spodoptera litura dapat menurunkan hasil tanaman kedelai, sehingga produksi tanaman kedelai belum bisa memenuhi permintaan kedelai di Indonesia. Tujuan penelitian ini untuk menguji patogenitas Beauveria bassiana sebagai agens hayati pengendali Spodoptera litura. Penelitian dilaksanakan di Laboratorium Hama Jurusan Agroteknologi, UIN Sunan Gunung Djati Bandung dari Januari sampai Maret 2017, menggunakan Rancangan Acak Lengkap (RAL) dengan enam perlakuan kerapatan spora B. bassiana dan empat ulangan. Perlakuan tersebut adalah kerapatan spora 100 (kontrol), 102, 104, 106, 108, dan 1010/ml aquades yang diaplikasikan pada larva S. litura instar II. Uji lanjut yang digunakan adalah Uji lanjut Duncan taraf 5%. Hasil penelitian menunjukkan bahwa kerapatan spora B. bassiana 1010 /ml aquades menyebabkan mortalitas larva S. litura sebesar 82,50% dan bobot pakan yang dimakan oleh larva S. litura paling rendah sebesar 0,79 g.Kata Kunci: Agens hayati, Beauveria bassiana, Spodoptera litura, Kedelai

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2

Halawa, Brijayanti, Azwana Azwana, and Ellen L. Panggabean. "Sensitivity of Larva Spodoptera litura Against the Density of Spores of Fungi Metarhizium anisopliae on the Onion Plant Red (Allium cepa) in the Laboratory." Budapest International Research in Exact Sciences (BirEx) Journal 1, no. 1 (January 9, 2019): 35–41. http://dx.doi.org/10.33258/birex.v1i1.133.

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Sensitivity of Larva Spodoptera litura Against the Density of Spores of Metarhizium anisopliae Fungi On the Red Onion Plant ", aims to determine the density of Metarhizium anisopliae spores which are effective in controlling the spodoptera litura pests that attack onion plants. This research was conducted by using Randomized Complete Random (RAL) Factorial ie instar larvae and spore density. The parameters observed were behavioral and morphological changes as well as percentage mortality of Spodoptera litura larvae. The results showed that: Changes in behavior and morphology of insects in the form of slow movement, decreased appetite and larval body surface covered by the fungus is light green and dark green. The density of spores of M. anisopliae to S. litura pest has a very significant effect on the percentage of S. litura mortality since the age of 1-9 HSA. The percentage of S. litura mortality tended to increase with higher spore density of M. anisopliae and instar 1-3 being more sensitive instar than instar 4-6 Spodoptera litura larvae. Mortality of S. litura is most prevalent in I1M3 treatment (instar 1-3 with spore density 106).

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3

Jeon, Mi Jin, Mi Ja Seo, Young Nam Youn, and Yong Man Yu. "RNA Interference of Chitinase Gene in Spodoptera litura." Korean Journal of Pesticide Science 18, no. 3 (September 30, 2014): 202–9. http://dx.doi.org/10.7585/kjps.2014.18.3.202.

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4

Khorir, Ferdinan, Irda Safni, and Suzanna Fitriany Sitepu. "Uji Efektivitas Spodoptera Litura Nucleopolyhedrovirus (SpltNPV) sebagai Agen Hayati Terhadap Spodoptera Litura Fabr. (Lepidoptera : Noctuide) di Laboratorium." Talenta Conference Series: Agricultural and Natural Resources (ANR) 1, no. 1 (October 16, 2018): 1–5. http://dx.doi.org/10.32734/anr.v1i1.87.

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Spodoptera litura merupakan hama polifag yang menyerang berbagai tanaman budidaya. Spodoptera litura Nucleopolyhedrovirus(SpltNPV) merupakan virus entomopatogen yang dapat menginfeksi dan menyebabkan kematian pada serangga.Penelitian bertujuan untuk mengetahui efektivitas SpltNPV pada tingkat konsentrasi dan instar yang berbeda terhadap larva S. litura. Penelitian dilakukan di Balai Perlindungan Tanaman Pangandan Hortikultura (BPTH) Sumatera Utara pada Januari sampai Februari 2016. Penelitian menggunakan rancangan acak lengkap dengan dua faktor dan tiga ulangan. Faktor pertama adalah konsentrasi SpltNPV (kontrol, 3000, 4000, 5000 ppm) dan faktor kedua adalah instar (Instar 2, 3, 4). Hasi lpenelitian menunjukkan bahwa mortalitas tertinggi antara interaksi konsentrasi SpltNPV dan instar tertinggi konsentrasi 5000 ppm dan instar 2 yaitu 61,21%. Dan waktu mematikan 50% (LT50) terbaik terdapat pada konsentrasi 5000 ppm (4,91 hari). Spodoptera litura is a polyphagous pest that attacks various cultivated plants. Spodoptera litura Nucleopolyhedrovirus (SpltNPV) is an entomopathogenic virus that can infect and cause death in insects. This study aimed to determine the effectiveness of SpltNPV at different levels of concentration (control, 3000, 4000, 5000 ppm) and instar for S. litura larvae (Instar 2, 3, 4). The study was carried by using a completely randomized design with two factors and three replications. The results showed that the highest mortality between the interaction of SpltNPV concentration and the highest instar of 5000 ppm and instar 2 was 61.21%. The best turn off time of 50% (LT50) is at a concentration of 5000 ppm (4.91 days).

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5

Riski Nella Sari Batubara, Yusmar Mahmud, and Rita Elfianis. "UJI EFEKTIVITAS BEBERAPA KONSENTRASI EKSTRAK DAUN KETAPANG (Terminalia catappa L.) TERHADAP ULAT GRAYAK (Spodoptera litura) SECARA IN VITRO." DINAMIKA PERTANIAN 37, no. 1 (September 15, 2021): 23–28. http://dx.doi.org/10.25299/dp.2021.vol37(1).7715.

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Spodoptera litura is one of the important plant pests that are polyphagic. Spodoptera litura attacks can cause damage to up 80% on plants causing losses for framer. Control using synthetic pesticides is excessive because it causes negative for environment. Efforts that can be made are using biopesticides such as Terminalia catappa L. leaves. This research aims to obtain effective concentrations in controlling Spodoptera litura in vitro. The research was carried out in Pathology, Entomology and Microbiology, Faculty of Agriculture and Animal Husbandry and experimental farm of State Islamic University of Sultan Syarif Kasim from February to March 2019. This research used a Completely Randomized Design with 5 treatments, consisting of control, 9% EDK, 18% EDK, 27% EDk and 36% EDK with 3 replications. The parameters used are larvae stop eating (%), speed of death, mortality, toxicity of LC50 and larvae become pupae (%). The result showed the effective concentration in controlling Spodoptera litura was EDK 18%.

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6

Syahroni, M. Novel Ghufron, and Nanang Tri Haryadi. "Uji Efektivitas Konsentrasi Spodoptera litura – Nuclear Polyhedrosis Virus (SlNPV) JTM 97C Formulasi Bubuk Terhadap Larva Spodoptera litura Fabricius (Lepidoptera: Noctuidae) Pada Tanaman Kedelai." Jurnal Pengendalian Hayati 2, no. 2 (September 25, 2019): 46. http://dx.doi.org/10.19184/jph.v2i2.17140.

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Spodoptera litura (armyworm) is an important leaf pest that is polyphagic and has a broad range of hosts. Spodoptera litura is the main pest in soybean plants and can cause up to 50% damage and often results in decreased productivity and even crop failure. Spodoptera litura is widespread in areas with hot and humid climates from the subtropics to the tropics. S. litura pests attack cultivation plants in the vegetative and generative phases. The prospect of insect pathogens as a substitute for chemical insecticides is quite good in terms of their effectiveness and impact on the environment. Nuclear Polyhedrosis Virus (NPV) is one of the Baculoviridae viruses that infect the larval stage. Spodoptera litura Nuclear Polyhedrosis Virus (SlNPV) is a pathogenic virus that infects armyworms. SlNPV JTM 97C is an effective isolate in controlling larvae of Spodoptera litura. The larvae used in this study were larval instar 4, instar 5, and instar 6. The study was conducted using a Completely Randomized Design (CRD) with 6 treatments and 3 replications. The treatments consisted of controls, 1 g / l, 2g / l, 3 g / l, 4 g / l, and 5 g / l. Each treatment was applied to instar 4, instar 5 and 6 instar larvae. The results showed that SlNPV JTM 97C affected mortality, stopped eating and pupa formation of instar 4, instar 5 larvae, but did not affect instar 6 larvae. The younger the larval instar the higher the pathogenicity response.

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7

Sari, Putri Mustika, Henny Wahyunita, Adriansyah Yoesoep, Lisdayani, and Fitra S. Harahap. "Insecticide Activity Extract of Tinospra crispa Mixed With Cow Urine on Spodoptera litura in the Laboratory." Jurnal Pertanian Tropik 6, no. 2 (August 1, 2019): 211–15. http://dx.doi.org/10.32734/jpt.v6i2.3153.

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Armyworms (Spodoptera litura) become important pests in Indoensia that eat leaves compared to other pests because they are polyfag. S. litura can reduce productivity even crop failure. Therefore, it is necessary to do research on how to control S. litura effectively and environmentally friendly. This study aims to determine the effectiveness of brotowali extract (Tinospra crispa) as a botanical insecticide and obtain the right concentration of fruit extract, young leaves, and old Brotowali leaves to control the armyworm (litura Spodopter). This study used a Non Factorial Completely Randomized Design (RAL) with 6 treatments of various doses of brotowali extract mixed with cow urine and 4 replications. The results of the study showed that the administration of Brotowali + Urine Cattle extract with high doses (30 ml / jar) was able to increase the speed of death of the armyworm.

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8

Guo, H. F., J. C. Fang, J. P. Wang, W. F. Zhong, and B. S. Liu. "Interaction of Xestia c-nigrum Granulovirus with Peritrophic Matrix and Spodoptera litura Nucleopolyhedrovirus in Spodoptera litura." Journal of Economic Entomology 100, no. 1 (February 1, 2007): 20–25. http://dx.doi.org/10.1093/jee/100.1.20.

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9

Afidah, Nafisatul, Tutung Hadiastono, Bedjo Bedjo, and Fery Abdul Choliq. "Compatibility of Lemongrass Extract with Spodoptera litura Nuclear Polyhedrosis Virus Against Spodoptera litura on Soybean Plants." Journal of Tropical Plant Protection 2, no. 1 (January 1, 2021): 7–13. http://dx.doi.org/10.21776/ub.jtpp.2021.002.1.2.

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Armyworm (Spodoptera litura) is an important pest that damages the leaves of soybean. SlNPV is one type of pathogen that has potential as a biocontrol agent to control armyworms because it is specific, selective, and effective. This study aimed to investigate the compatibility between the lemongrass and SlNPV in controlling armyworm. The Research was conducted at the Laboratory of Indonesian Legumes and Tuber Crops Research Institute (ILETRI) from February 2016 until April 2016. The study using completely randomized design with 7 treatments and 3 replication with a treatment that consists of control, SlNPV-JTM 97C 1,5 × 106 PIB/ml, 10% of lemongrass extract, a combination SlNPV-JTM 97C fixed concentrate of 1,5 × 106 PIB/ml with 2.5%, 5%, 7.5%, and 10% of lemongrass extract. The results showed that the combination of SlNPV-JTM 97C 1.5 × 106 PIB/ml with 10% lemongrass had the highest level of virulence, with 96% of mortality on larva 100% on the pupa stage, so that the combination of SlNPV and lemongrass extracts was compatible in controlling S.litura.

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10

Trizelia, Trizelia, My Syahrawati, and Aina Mardiah. "Patogenisitas Beberapa Isolat Cendawan Entomopatogen Metarhizium spp. terhadap Telur Spodoptera litura Fabricius (Lepidoptera: Noctuidae)." Jurnal Entomologi Indonesia 8, no. 1 (September 28, 2015): 45. http://dx.doi.org/10.5994/jei.8.1.45.

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Metarhizium spp. merupakan salah satu jenis cendawan entomo-patogen yang dapat digunakan untuk mengendalikan hama Spodoptera litura. Tujuan dari penelitian ini adalah untuk mempelajari patogenisitas isolat Metarhizium spp. terhadap telur Spodoptera litura. Isolat Metarhizi-um spp. dikoleksi dari rizosfer tanaman kubis, bawang merah, bawang daun dan cabai. Hasil penelitian menunjukkan bahwa semua isolat yang diuji bersifat patogen terhadap telur S. litura. Mortalitas telur S. litura berkisar antara19,79%-75,70%, tergantung pada isolat. Larva instar I mati setelah 3 hari keluar dari telur dengan mortalitas tertinggi sekitar 58,65%. Isolat Mt-Kb merupakan isolat yang paling virulen dengan mortalitas telur dan larva instar I tertinggi dibandingkan dengan isolat lain.

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11

Asri, Mahanani. "The Spreading Of Spodoptera litura Multiple Nucleopolyhedrosis Virus in Midgut of Third Instar of Spodoptera Litura Larvae." IOSR Journal of Agriculture and Veterinary Science 3, no. 4 (2013): 40–43. http://dx.doi.org/10.9790/2380-0344043.

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12

Padanad, Mahesh S., and P. U. Krishnaraj. "Pathogenicity of Native Entomopathogenic Fungus Nomuraea rileyi Against Spodoptera litura." Plant Health Progress 10, no. 1 (January 2009): 11. http://dx.doi.org/10.1094/php-2009-0807-01-rs.

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The entomopathogenic fungus Nomuraea rileyi was isolated from Spodoptera litura and Helicoverpa armigera insect cadavers collected from different sampling sites. Pathogenicity of ten N. rileyi isolates against Spodoptera litura was studied by exposing third instars to topical application of a spore concentration of 108 conidia/ml. All ten isolates of N rileyi were active against third instars of S. litura, resulting in 85 to 97% mortality. However, there were statistically no significant differences among the isolates with respect to the pathogenicity levels. Median lethal time (LT50) values of N. rileyi isolates against third instars of S. litura ranged from 5.5 to 6.6 days, which were not statistically different. This strongly suggests that the isolates from different geographical locations are equally pathogenic against S. litura. Accepted for publication 29 June 2009. Published 7 August 2009.

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13

Monobrullah, M. D., and Masao Nagata. "EFFECTS OF LARVAL AGE ON SUSCEPTIBILITY OF SPODOPTERA LITURA (LEPIDOPTERA: NOCTUIDAE) TO SPODOPTERA LITURA MULTIPLE NUCLEAR POLYHEDROSIS VIRUS." Canadian Entomologist 132, no. 3 (June 2000): 337–40. http://dx.doi.org/10.4039/ent132337-3.

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Susceptibility of many insects to baculoviruses decreases with host development (Hochberg 1991), whereas the time required for infected hosts to die increases with larval age (Boucias et al. 1980; Bucher and Turnock 1983; Smits and Vlak 1988). The actual mechanism of this phenomenon, however, has not been established in many cases. The present study was undertaken to investigate the effect of larval age on the susceptibility of Spodoptera litura Fabricius to nuclear polyhedrosis virus (NPV) through oral and intrahaemocoelic routes of infection.

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14

BEDJO, BEDJO. "Various isolates of Spodoptera litura Nuclear Polyhedrosis Viruses from East Java (Indonesia) to control Spodoptera litura on soybean." Biodiversitas, Journal of Biological Diversity 18, no. 2 (May 1, 2017): 582–88. http://dx.doi.org/10.13057/biodiv/d180219.

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15

Maulida, Hawwa' Cahya, Saiku Rokhim, and Erna Zahro’in. "Patogenitas Nematoda Entomopatogen Heterorhabditis spp. Terhadap Larva Spodoptera litura." JURNAL Al-AZHAR INDONESIA SERI SAINS DAN TEKNOLOGI 6, no. 2 (September 27, 2021): 96. http://dx.doi.org/10.36722/sst.v6i2.809.

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<p><strong>Spodoptera litura is a pest in vegetable plants that attacks the leaves and stems. Damage arising from the attack of S. litura can decrease the productivity of plants. Synthetic pesticides are often used in controlling the population of S. litura, but synthetic pesticides have a high negative impact. Potential entomopathogenic nematode Heterorhabditis spp. believed to be effective for controlling pest populations. This study aims to find out the pathogenic value of entomopathogenic nematode Heterorhabditis spp. to the larvae of S. litura. Based on the results obtained Heterorhabditis spp. has a positive influence in causing mortality in the larvae of S. litura. Heterorhabditis spp. mortality of up to 42%. Symptoms indicated by larvae of S. litura affected by Heterorhabditis spp. among them the behavior becomes passive, the body becomes flaccid, the cuticle turns red and the tissues inside the body are destroyed. Obtained pathogenicity value Lc 50 Heterorhabditis spp. 7,690 IJ/ml, as for the factors affecting Heterorhabditis spp. such as humidity, temperature, pH, and light intensity.</strong></p><p><em><strong>Keywords – </strong>Entomopathogenic Nematodes, Pathogenicity, Spodoptera litura</em></p>

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16

Safirah, Rahma, Nur Widodo, and Mochammad Agus Krisno Budiyanto. "Effectiveness Botanical Insecticides Crescentia cujete Fruit And Flowers Syzygium aromaticum Mortality Against Spodoptera litura In Vitro as a Learning Resource Biology." Jurnal Pendidikan Biologi Indonesia 2, no. 3 (February 9, 2017): 265. http://dx.doi.org/10.22219/jpbi.v2i3.3874.

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Ulat grayak (Spodoptera litura) merupakan salah satu jenis hama terpenting yang menyerang tanaman palawija dan sayuran di Indonesia. Sejauh ini kerugian yang dialami sektor pertanian Indonesia akibat serangan hama menurunkan produktivitas pertanian. Penggunaan pestisida sintetis di lingkungan pertanian menjadi masalah yang sangat dilematis. Penggunaan insektisida nabati merupakan alternatif untuk mengendalikan serangga hama. Penelitian ini bertujuan untuk mengetahui efektifitas buah Crescentia cujete dan bunga syzygium aromaticum sebagai insektisida nabati pengendali Spodoptera litura. Jenis penelitian ini adalah True Experiment Research. Penelitian dilakukan dengan dua perlakuan yaitu jenis insektisida nabati dan jenis konsentrasi. Hasil penelitian menunjukkan perlakuanyang palingefektif pada jenis insektisida adalah A3 (insektisida campuran) didapatkan hasil rerata mortalitas Spodoptera litura sebesar 9,33, sedangkan pada jenis konsentrasi yakni perlakuan B5 (75%) dengan hasil rerata sebesar 9,33. Namun tidak ada pengaruh interaksi anatara jenis insektisida dengan jenis konsentrasi maka dilakukan anasilis tunggal pada masing – masing perlakuan. Penelitian ini manfaatkan sebagai sumber belajar berupa liflet.

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Chen, Wanbin, Yuyan Li, Mengqing Wang, Jianjun Mao, and Lisheng Zhang. "Evaluating the Potential of Using Spodoptera litura Eggs for Mass-Rearing Telenomus remus, a Promising Egg Parasitoid of Spodoptera frugiperda." Insects 12, no. 5 (April 26, 2021): 384. http://dx.doi.org/10.3390/insects12050384.

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Although Telenomus remus, a promising parasitoid of Spodoptera frugiperda, had been successfully reared on the eggs of Corcyra cephalonica in some countries, reports from China have argued that it is infeasible. Notably, studies from China have indicated that Spodoptera litura eggs could be a candidate host. Therefore, to further evaluate the potential of using S. litura eggs as hosts, we compared the development and parasitism of T. remus on the eggs of S. frugiperda and S. litura at temperatures between 20–32 °C. Our results showed that T. remus developed successfully on both host eggs at all of the tested temperatures, and the developmental duration and thermal requirements at each stage were similar between the two host species. The number of parasitized eggs was greater for S. litura than for S. frugiperda. Meanwhile, the emergence rate exceeded 86.6%, and it was significantly higher for S. litura than that for S. frugiperda, except at 29 °C. This study is the first time estimating the thermal requirements of T. remus at each stage. Moreover, we also recorded the morphological characteristics of T. remus at each stage. Our results demonstrate that S. litura eggs are more suitable than S. frugiperda eggs as an alternative host for the mass-rearing of T. remus in China. Understanding the thermal requirements and biological parameters contributes greatly to predicting the generation time and providing a reference for the mass-rearing and storage of the parasitoid.

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Nababan, One May Sunday, Sartini Sartini, and Riyanto Riyanto. "Uji Efektivitas Cendawan Metarhizium anisopliae Terhadap Daya Bunuh Instar 2 Dan Instar 4 Larva Ulat Spodoptera Litura Pada Tanaman Sawi Hijau (Brassica juncea L.) Di Laboratorium." Jurnal Ilmiah Biologi UMA (JIBIOMA) 2, no. 1 (May 28, 2020): 13–22. http://dx.doi.org/10.31289/jibioma.v2i1.184.

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Pests are one of the factors that reduce the production and quality of cultivated plants, for example grayak caterpillars (Spodoptera litura) which attack mustard plants. Grayak caterpillars (Spodoptera litura) can be controlled using chemical compounds (insecticides), can be manually collected by hand and can also be biologically controlled, for example with mushrooms. The purpose of this study was to examine the effectiveness of the fungus Metarhizium anisopliae on Spodoptera litura caterpillar larvae in green mustard plants (Brassica juncea L.). The caterpillar used in this study is the Instar-2 (I₁) and Instar-4 (I₂) phase caterpillars. The concentration of fungi was inoculated were 10-2 (M₁), 10 -4 (M₂), and 10 -6 (M₃), and without fungi as a control (M₀). The design used was Factorial RAL with 3 replications. The experimental results showed that spore density M₁, M₂, and M₃ were quite effective at killing the caterpillar both on instar-2 (I₁) and on instar-4 (I₂

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Nguyen, Huong Hoai, and Kha Hoang Anh Nguyen. "Bioefficacy of Serratia marcescens isolated from entomopathogenic nematodes (EPN) and their secondary metabolite prodigiosin against Spodoptera litura." Science and Technology Development Journal 18, no. 2 (June 30, 2015): 5–15. http://dx.doi.org/10.32508/stdj.v18i2.1140.

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Bacterial strain SH1 was isolated from entomopathogenic nematodes (EPN) Heterorhabditis indica CP16 released from insect cavaders (Spodoptera litura). Their identification by API 20E Kit as well as by 16S rDNA sequencing showed that it belongs to the species Serratia marcescens. The isolate expressed the toxicity to Spodoptera litura. In the injection assay more than 65 % insects were killed after 10 h at 23 cfu/insect; in the ingestion assay (droplet on leaf surface), more than 50 % insects were killed after 72 h at 170 cfu/cm2. The red pigment produced by the isolate SH1 was confirmed to be one of its secondary metabolites – prodigiosin based on its color, UV/VIS spectra và ESI-MS results. When injected to Spodoptera litura at a dose of 422 ng/insect, the active compound killed approximately 65 % insects after 10 h of treatment, and in the ingestion assay (droplet on the leaf surface) at a dose of 27.66 ng/cm2 killed approximately 90 % insects after 120 h of treatment.

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Huang, Si-Han, Ji-Dong Xian, Song-Zhi Kong, Yu-Cui Li, Jian-Hui Xie, Ji Lin, Jian-Nan Chen, Hong-Feng Wang, and Zi-Ren Su. "Insecticidal activity of pogostone against Spodoptera litura and Spodoptera exigua (Lepidoptera: Noctuidae)." Pest Management Science 70, no. 3 (September 30, 2013): 510–16. http://dx.doi.org/10.1002/ps.3635.

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21

Maulina, Dina, Sutiman B. Sumitro, Muhammad Amin, and Sri Rahayu Lestari. "Lectin Protein Spodoptera litura Activity After Exposured by Biopesticide from Mirabilis jalapa." International Journal of Applied Biology 3, no. 1 (June 29, 2019): 62. http://dx.doi.org/10.20956/ijab.v3i1.6080.

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Spodoptera litura is folifagus agricultural pest with a tendency of resistance towards chemistry compound. This becomes a reason in the efforts to overcome it. The use of botanical material becomes one of the alternatives in controlling its population. The plant of Mirabilis jalapa has the active biopesticide compound that becomes its alternative prevention. This plant has the potential chemistry compound as biopesticide which works toward weakening immunity that is ended by the death of S. litura. This research aims to analyze the existence of lectin protein as an indicator of immunity reaction’s activation Spodoptera litura after exposing biopesticide M. jalapa. Lectin test was conducted by using spot-test hemagglutination assay (HA) then was seen its speed forming of titer. The result of research shows that lectin was on the part of hemolimf S. litura supernatant. The result test shows that on the concentration 0.2% binding of lectin, carbohydrate and erythrocyte cells of vertebrate formed faster. The speed of titer forming was influenced by the number of hemosit. This is caused by immulectin receptors were on the cell’s surface. Therefore, exposing M. jalapa can induce lectin activation which functioned as the recognizing receptor of strange object which directly bound with carbohydrate related to the reaction of body immunity.Key words: biopesticide Mirabilis jalapa, lectin, immunity system, Spodoptera litura.

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22

Li, Lu-Lu, Ji-Wei Xu, Wei-Chen Yao, Hui-Hui Yang, Youssef Dewer, Fan Zhang, Xiu-Yun Zhu, and Ya-Nan Zhang. "Chemosensory genes in the head of Spodoptera litura larvae." Bulletin of Entomological Research 111, no. 4 (February 26, 2021): 454–63. http://dx.doi.org/10.1017/s0007485321000109.

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AbstractThe tobacco cutworm Spodoptera litura (Lepidoptera: Noctuidae) is a polyphagous pest with a highly selective and sensitive chemosensory system involved in complex physiological behaviors such as searching for food sources, feeding, courtship, and oviposition. However, effective management strategies for controlling the insect pest populations under threshold levels are lacking. Therefore, there is an urgent need to formulate eco-friendly pest control strategies based on the disruption of the insect chemosensory system. In this study, we identified 158 putative chemosensory genes based on transcriptomic and genomic data for S. litura, including 45 odorant-binding proteins (OBPs, nine were new), 23 chemosensory proteins (CSPs), 60 odorant receptors (ORs, three were new), and 30 gustatory receptors (GRs, three were new), a number higher than those reported by previous transcriptome studies. Subsequently, we constructed phylogenetic trees based on these genes in moths and analyzed the dynamic expression of various genes in head capsules across larval instars using quantitative real-time polymerase chain reaction. Nine genes–SlitOBP8, SlitOBP9, SlitOBP25, SlitCSP1, SlitCSP7, SlitCSP18, SlitOR34, SlitGR240, and SlitGR242–were highly expressed in the heads of 3- to 5-day-old S. litura larvae. The genes differentially expressed in olfactory organs during larval development might play crucial roles in the chemosensory system of S. litura larvae. Our findings substantially expand the gene inventory for S. litura and present potential target genes for further studies on larval feeding in S. litura.

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Zhao-fei, LI, GONG Ying-xue, SHI Yong-xia, PAN Li-jin, and PANG Yi. "CLONING AND EXPRESSION OF SPODOPTERA LITURA UBIQUITIN GENE." Insect Science 10, no. 1 (March 2003): 27–34. http://dx.doi.org/10.1111/j.1744-7917.2003.tb00361.x.

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Yoshinaga, Naoko, Nobuyoshi Morigaki, Fumio Matsuda, Ritsuo Nishida, and Naoki Mori. "In vitro biosynthesis of volicitin in Spodoptera litura." Insect Biochemistry and Molecular Biology 35, no. 2 (February 2005): 175–84. http://dx.doi.org/10.1016/j.ibmb.2004.11.002.

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Wang, Yong, Jae Young Choi, Jong Yul Roh, Soo Dong Woo, Byung Rae Jin, and Yeon Ho Je. "Molecular and phylogenetic characterization of Spodoptera litura granulovirus." Journal of Microbiology 46, no. 6 (December 2008): 704–8. http://dx.doi.org/10.1007/s12275-008-0133-z.

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Ghosh, Enakshi, and Radhika Venkatesan. "Plant Volatiles Modulate Immune Responses of Spodoptera litura." Journal of Chemical Ecology 45, no. 8 (August 2019): 715–24. http://dx.doi.org/10.1007/s10886-019-01091-3.

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Kawazu, Kazuyoshi, Shigehiko Ohmshi, Hiroshi Kanzaki, and Akio Kobayashi. "A Stable Crude Chitinase Solution from Spodoptera litura Pupae and A Search for Its Inhibitors." Zeitschrift für Naturforschung C 51, no. 9-10 (October 1, 1996): 738–42. http://dx.doi.org/10.1515/znc-1996-9-1020.

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A convenient method for preparing a stable chitinase solution from a pest insect. Spodopteralitura, and a bioassay method for insect chitinase inhibitors using this enzyme solution were developed. Allosamidin, the first insect chitinase inhibitor, exhibited an IC50 of 0.2 μᴍ in the present Spodoptera litura chitinase assay, whereas allosamidin was reported to exhibit an IC50 of 0.7 μᴍ in the Bombyx mori chitinase assay. Thus, the present assay using Spodopteralitura chitinase was 3.5-fold more sensitive than the B. mori chitinase assay. Screening of 300 supernatants of microbial cultures for chitinase inhibitors using the Spodoptera litura chitinase assay found 13 active supernatants

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Choi, Duck-Soo, Do-Ik Kim, Seon-Gon Kim, Suk-Ju Ko, Beom-Ryong Kang, and Sang-Soo Kim. "Control Thresholds for Managing Common Cutworm, Spodoptera litura (Fabricius) (Lepidoptera: Noctuidae) on Chinese Cabbage." Korean journal of applied entomology 50, no. 3 (September 30, 2011): 215–20. http://dx.doi.org/10.5656/ksae.2011.07.034.

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Cahyono, Didi Budi, Hasna Ahmad, and A. R. Tolangara. "Hama pada Cabai Merah." TECHNO: JURNAL PENELITIAN 6, no. 02 (January 3, 2018): 18. http://dx.doi.org/10.33387/tk.v6i02.565.

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AbstrakHama merupakan hewan yang merusak tanaman dan umumnya merugikan para petani dari segi ekonomi, maka manusia selalu akan memperhatikannya, guna meningkatkan hasil pertanian, jika tidak hasil panennya akan menurun. Adapun tujuan penelitian inim untuk mengetahui keanekaragaman jenis hama yang menyerang tanaman cabai merah. Metode penelitian ini bersifat deskriptif kualitatif, dengan menggunakan perhitungan indeks keanekaragaman jenis. Hasil penelitian menunjukkan bahwa Jenis hama yang ditemukan pada tanaman cabe merah terdiri dari jenis Locusta migratoria manilensis, Gryllus mitratus, Grylloptalpa africana, Lycosa sp, Spodoptera litura L., Mycus percicae, Planococus citri, Aulocophora sp, Epilachna argus. Populasi hama tertinggi adalah ulat grayak (Spodoptera litura L.) dan jenis yang memiliki populasi terendah yaitu orong-orong (Grylloptalpa africana). Keankaregaman jenis hama pada tanaman cabe merah memiliki nilai keragaman sebesar H’ = 1,825, maka dikategorikan keanekaragaman jenis sedang.Kata kunci: Jenis hama, Tanaman Cabe, Keanekaragaman jenis AbstractPest is a destructive animal for plants and is generally harming the farmers in terms of economic aspect. Thus, people always put their attention to it in order to increase the produce otherwise the harvest will be decreased. The research aimed to find out the diversity of pest type attacking chili pepper crop. The research method was qualitative descriptive using the calculation of diversity index. The research result indicates that the types of pest found in chili pepper crop were: Locusta migratoria manilensis, Gryllus mitratus, Grylloptalpa africana, Lycosa sp, Spodoptera litura L., Mycus percicae, Planococus citri, Aulocophora sp, and Epilachna argus. The highest population was taro caterpillar (Spodoptera litura L.) and the lowest was mole cricket (Grylloptalpa Africana). The diversity of pest in chili pepper has diversity value of H’ = 1.825 and it categorized as medium diversity.Keywords: Type of pest, Chili pepper, Type diversity

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Haryanto, Heri. "PENGARUH REFUGIA TERHADAP INTENSITAS DAN POPULASI HAMA PENGGEREK DAUN (Spodoptera litura Hbn) PADA CABAI KERITING (Capsicum annum L)." AGROTEKSOS: Agronomi Teknologi dan Sosial Ekonomi Pertanian 30, no. 1 (April 30, 2020): 61. http://dx.doi.org/10.29303/agroteksos.v30i1.586.

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This research aims to know the effect of refugia on the intensity and population of leaf borer pests (Spodoptera litura Hbn) on chili (Capsicum annum L.) the method used the experimentalmethod that conduct experiment in the field. This research was conducted in Desember 2018 until March 2019. The design used in this research was Randomized Complete Block Design (RCBD) with 4 treatments, nomely, control, Sunflower, Marigold and Zinnia treatment repeated 3 times to obtain 60 plant samples in 12 experimental units. Observation data were analyzed by analysis of variance and test further with a Honestly Significant Difference tests at a real level of 5%. The results showed that the cause of leaf damage in the chili plant (Capsicum annum L.) was caused by the Spodoptera litura Hbn pests in each treatment. The highests percentage of domage is (4,803%) found in R0 (Control), while the lowest average persentage is (2,16%) found in R2 (Marigold) treatment. The result of the correlation regression analysis showed that intensity of the attacks caused by Spodoptera litura Hbn was 63,3 % by population of pests and 27,7% was caused by other factors.

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Beegum, T. P. Najiya, and K. R. Ranjini. "SEASONAL VARIATION OF AMINOACIDS AND CARBOHYDRATES IN HAEMOLYMPH OF SPODOPTERA LITURA FABRICIUS (LEPIDOP TERA: NOCTUIDAE) FED WITH DIFFERENT HOST PLANTS." International Journal of Engineering Technologies and Management Research 5, no. 8 (March 21, 2020): 11–19. http://dx.doi.org/10.29121/ijetmr.v5.i8.2018.276.

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Spodoptera litura, an important polyphagous pest, causes serious threat to a large number of economically important crops all over the world. In the present study, the quantitative analysis of aminoacids and carbohydrates in haemolymph of the last instar larvae of Spodoptera litura fed with five different host plant leaves was carried out. A comparative study of the biochemical components in the selected host plant leaves was also carried out. The data obtained were statistically analysed using one-way ANOVA (P<0.01). The results revealed that there was a significant variation in the concentration of these biochemical components in haemolymph with respect to the feeding material and with seasonal variation.

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Miranti, Mia, Wawan Hermawan, Melanie ., Rahman Perdana Hadi, Dicky Budi Sugiarto, and Desy Efriyani Anggraeny Nasution. "THE POTENTIAL OF SUBCULTURE Helicoverpa armigera NUCLEAR POLYHEDROSIS VIRUS (HaNPV) TO BE UTILIZED AS AN ALTERNATE SYNTHETIC INSECTICIDES TO CONTROL INSECTS PESTS IN CABBAGES PLANTATION (Brassica oleracea var. capitata L)." KnE Life Sciences 2, no. 1 (September 20, 2015): 405. http://dx.doi.org/10.18502/kls.v2i1.183.

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<p>Subculture Helicoverpa armigera Nuclear Polyhedrosis Virus (HaNPV) is an entomopathogenic viruses isolated from cadaver of Helicoverpa armigera larvae, and was succesfully produced in Spodoptera litura larvae as an alternate host. These viral agent have been applied to control the population of three species insects pests Spodoptera litura, Crocidolomia pavonana and Plutella xyllostella which were infested in Cabbages Plantation. The concentration of virus of 4 x 107 Polyhedral/ml was sprayed in cabbage leaves 24 hours before infested of larval and every four days after. The research used randomized design which consisted of factor (three species of second instar larvae, S. litura, C. pavonana, P. xyllostella) and eight replications. The result showed that the three species of larval were sensitive against subculture HaNPV infection. The mortality of each larval species (S. litura, C. pavonana and P. xyllostella) were 100%, 97.5% and 98.7%. Subculture HaNPV can be utilized to control the population of three spesies of insects pests in Cabbage Plantation. </p><p>Keywords : Subculture HaNPV, Polyhedral</p>

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Hamdani, Hamdani. "AKTIVITAS EKSTRAK BIJI TANAMAN MINDI MELIA AZEDARACH (L.) TERHADAP SPODOPTERA LITURA (F.) (LEPIDOPTERA: NOCTUIDAE)." Jurnal Hama dan Penyakit Tumbuhan Tropika 5, no. 1 (March 12, 2005): 11–16. http://dx.doi.org/10.23960/j.hptt.1511-16.

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Activity of Melia azedarach (L.) seed extract against armyworm Spodoptera litura (F.) (Lepidoptera: Noctuidae). This study was conducted to evaluate the effectivenes and biological activity of Melia azedarach L. (Meliaceae) seed extract against armyworm, Spodoptera litura F. The first instar larvae were fed extract-treated cotton leaves for 2 days, then were maintained on untreated leaves until the third instar stage. Records were kept in regard to the larvae mortality and developmental time of surviving larvae from first instar to third instar. The result showed that Melia azedarach L. seed extract at consentration of 50 g of seeds/l of water (5%) exhibited moderate insecticidal activity against S. litura larvae (43.33 - 68.33% mortality). Addition of detergen at 0.2% to extract did not increase insecticidal activity of the extract. However, boiling seed extract at consentration of 50 g of seeds/l of water (5%) during 10 until 20 minutes increased insecticidal activity of extract (66.67 - 68.33% mortality). Generally, M. azedarach seed extract treatment did not affect developmental time of S. litura larvae.

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Erdiansyah, I., M. Syarief, and R. Taufika. "Virulence of Spodoptera Litura Nuclear Polyhedrosis Virus (SLNPV) with kaolin as carrier material on spodoptera litura and tetragonula laeviceps on soybean." IOP Conference Series: Earth and Environmental Science 672, no. 1 (March 1, 2021): 012097. http://dx.doi.org/10.1088/1755-1315/672/1/012097.

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Zulfiana, Deni, Ni Putu Ratna Ayu Krishanti, Bramantyo Wikantyoso, and Apriwi Zulfitri. "BAKTERI ENTOMOPATOGEN SEBAGAI AGEN BIOKONTROL TERHADAP LARVA Spodoptera litura (F.)." BERITA BIOLOGI 16, no. 1 (July 7, 2017): 13–21. http://dx.doi.org/10.14203/beritabiologi.v16i1.2153.

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Spodoptera litura (F.) (Lepidoptera: Noctuidae) is one of the agricultural pests that attacking almost all kinds of herbaceous plants, especiallyvegetables. Insect control using entomopathogenic bacteria is an alternative strategy that is effective and has a lower environmental impact than the use of synthetic insecticides. The purpose of this research was to explore entomopathogenic bacteria that have insecticidal activity against S. litura larvae at various stages of instars. The result showed that 25% of total number of isolated bacteria have potency as entomopathogenic bacteria. Isolate Staphylococcus sciuri strain BLSP-3 and isolate Serratia sp. strain BLSP-4 showed the highest larvicidal activity against the first and second instar larvae of S. litura 83% and 86%, respectively. The activity against on the third instar larvae however was only by 40%. However, the mortality caused by both isolates was lower than that of Bacillus thuringiensis (more than 90% mortality to the first and second instars and 80 % of the third instar larvae). It is suggested that both of isolates are potential to be developed further as a biocontrol agent to control S. litura population.

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Shivankar, S. B. Shivankar, S. B. Magar, V. D. Shinde, P. V. Ghodake, R. G. Yadav Yadav, and A. S. Patil. "Role of Avian Community in Reduction of Spodoptera Pest Population in Sugar Beet at Pune." Our Nature 6, no. 1 (March 1, 2009): 19–25. http://dx.doi.org/10.3126/on.v6i1.1650.

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Experiments were conducted at Vasantdada Sugar Institute, Pune in a RBD with three replications during 2005 to 2007 in sugar beet (var. posada) for control of Spodoptera litura Fab. The ornithological studies had shown the major avian community, Acridotheres tristis (Linnaeus), Passer domesticus (Linnaeus), Vanellus indicus (Boddaert), Corvus splendens (Vieillot), Centropus sinensis (Stephens), Pycnonotus cafer (Linnaeus), Eudynamys scolopacea (Linnaeus), with a relative abundance of 14.33, 13.26, 11.46, 5.73, 3.87, 3.54, and 2.79%, respectively.The reduction in mean S. litura population due to the pick up of the larvae by birds during three crop seasons ranged from 33.90 to 69.47%. Installation of minimum 15 bird perches/ha in 60 days after sugar beet sowing noticed effective considering the number of birds sittings (130.66/day), reduction in larval population of S. litura (39.99%), and root yield (71.36 ton/ha).Keywords: Sugar beet, Spodoptera, avian community, yield.doi: 10.3126/on.v6i1.1650Our Nature (2008)6:19-25

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Permatasari, Gusthi, Nova Hariani, and Sus Trimurti. "Uji Mortalitas Ulat Grayak (Spodoptera litura F.) Terhadap Ekstrak Tanaman Lidah Mertua (Sansevieria trifasciata Prain)." Jurnal Bioterdidik: Wahana Ekspresi Ilmiah 8, no. 3 (December 30, 2020): 56–67. http://dx.doi.org/10.23960/jbt.v8i3.21591.

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The tongue-in-law plant (Sansevieria trifasciata Prain) contains saponins, flavonoids, steroids and triterpenoids which are natural metabolites that have the potential to control agricultural pests such as armyworms (Spodoptera sp.). Therefore, the aim of this study was to determine the mortality and LC50 value for 72 hours of giving in-law tongue plant extract to Spodoptera litura and the length of the life cycle of S. litura in the laboratory. The research method used a completely randomized design (CRD). The extract of the tongue-in-law plant is obtained from the maceration process of the tongue-in-law plant with ethanol and then concentrated using a rotary evaporator until the thick extract is obtained. The results of the research on the ethanol extract of the tongue-in-law plant on the mortality of S. litura, found that the highest mortality was 63.6% at a concentration of 800 ppm and the lowest mortality value was 36.4% at a concentration of 200 ppm for 72 hours.

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Summarwar, Sudha. "Catharanthus roses interaction with development stages of Spodoptera litura." International Journal of Pure & Applied Bioscience 4, no. 3 (June 30, 2016): 193–96. http://dx.doi.org/10.18782/2320-7051.2288.

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Kumar, H. D. Yogesh, and Swarnali Bhattacharya. "Biology of Spodoptera litura (Fabricius) on different crop plants." Journal of Entomological Research 43, no. 2 (2019): 165. http://dx.doi.org/10.5958/0974-4576.2019.00032.x.

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Senthilkumar, M., M. Pazhanisamy, and V. Sathyaseelan. "Antifeedent activity of ecofriendly phyto-insecticides against Spodoptera litura." Journal of Entomological Research 44, no. 1 (2020): 99. http://dx.doi.org/10.5958/0974-4576.2020.00018.3.

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Upadhyay, Jagrati, and S. B. Das. "Functional response of spider Hyllus semicupreus on Spodoptera litura." Indian Journal of Entomology 82, no. 2 (2020): 257. http://dx.doi.org/10.5958/0974-8172.2020.00059.0.

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Nandini, B., and S. J. Rahman. "Virulence of the Different Microbial Pesticides against Spodoptera litura." International Journal of Current Microbiology and Applied Sciences 7, no. 06 (June 10, 2018): 1380–84. http://dx.doi.org/10.20546/ijcmas.2018.706.163.

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Handa, Shreya, Meena Thakur, and S. K. Bhardwaj. "Effect of Industrial and Distillery Effluents on Spodoptera litura." International Journal of Current Microbiology and Applied Sciences 7, no. 09 (September 10, 2018): 3687–93. http://dx.doi.org/10.20546/ijcmas.2018.709.458.

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Misal, M. R., B. V. Patil, and P. B. Khaire. "Management of Spodoptera litura in Soybean through Biorational Approaches." International Journal of Current Microbiology and Applied Sciences 7, no. 12 (December 10, 2018): 216–22. http://dx.doi.org/10.20546/ijcmas.2018.712.027.

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Pan, Lijing, Zhaofei Li, Yingxue Gong, Mei Yu, Kai Yang, and Yi Pang. "Characterization of gp41 gene of Spodoptera litura multicapsid nucleopolyhedrovirus." Virus Research 110, no. 1-2 (June 2005): 73–79. http://dx.doi.org/10.1016/j.virusres.2005.01.008.

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Pang, Yi, Jianxiu Yu, Lihua Wang, Xiaohui Hu, Weidong Bao, Gang Li, Chong Chen, Hua Han, Songnian Hu, and Huanming Yang. "Sequence Analysis of the Spodoptera litura Multicapsid Nucleopolyhedrovirus Genome." Virology 287, no. 2 (September 2001): 391–404. http://dx.doi.org/10.1006/viro.2001.1056.

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Bajpai, N. K., Chandish R. BALLAL, N. S. RAO, S. P. SINGH, and T. V. BHASKARAN. "Competitive interaction between two ichneumonid parasitoids of Spodoptera litura." Biocontrol 51, no. 4 (August 2006): 419–38. http://dx.doi.org/10.1007/s10526-005-8666-0.

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Li, Zhaofei, Cuifeng Li, Lijing Pan, Mei Yu, Kai Yang, and Yi Pang. "Characterization of p24 Gene of Spodoptera litura Multicapsid Nucleopolyhedrovirus." Virus Genes 30, no. 3 (May 2005): 349–56. http://dx.doi.org/10.1007/s11262-004-6778-8.

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Firmansyah, E. "Toxicity of sphagneticola trilobata extracts against spodoptera litura larva." IOP Conference Series: Earth and Environmental Science 672, no. 1 (March 1, 2021): 012099. http://dx.doi.org/10.1088/1755-1315/672/1/012099.

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K. Manjula, Y. Peeru Saheb, K. Devaki R. Sarada Jaya Lakshmi, and B. Ravindra Reddy N. C. Venkateswarlu. "Nomuraea rileyi (Farlow) Samson Incidence on Spodoptera litura and Spodoptera frugiperda in Andhra Pradesh." International Journal of Current Microbiology and Applied Sciences 10, no. 2 (February 10, 2021): 1262–70. http://dx.doi.org/10.20546/ijcmas.2021.1002.149.

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