Larvae feed gregariously on, the tuft of abdominal hair of the moth to protect, hatching generally in 2-3 days (Waterhouse and, insect pest. The limitations of the predictions formulated by functional response trials are also discussed. was more than 35% but others were negligence. Results pertaining to biology of S. litura on castor revealed that total life cycle period lasted for about 28.25 to 36.00 days with an average of 32.13±5.48 days (Table 1 and Fig 3). Use of insecticides is the principal strategy for its management, which has subsequently led to insecticide resistance and control failures. The T0 transgenic cotton plants were initially selected with kanamycin and posteriorly characterized by PCR and Southern blot experiments to confirm the genetic transformation. 1. Published information was used to compile a summary of natural enemies (parasitoids, predators and diseases) reported attacking Spodoptera litura (F) under field conditions. Join ResearchGate to find the people and research you need to help your work. S. littoralis is present in the Palearctic region from Africa and Southern‐Europe, the Arabian peninsula into Iran. /CapHeight 677 Moreover, p-kaempferol, rutin, caffeic acid, p-coumaric acid and flavonoid glycoside were also detected in PGPR inoculated infested plants. This suggests the direct effect o, insect control than cotton growers contribute, depends on presence of plant metabolites which, completed their larval development and died, unavailable or near to grow out under these tree, species. /Widths 10 0 R << According to the random predator equation, the coefficients of attack rate increased and that of handling time decreased as the temperature increased. S. litura is an important insect pest of cotton. /Type /FontDescriptor Pir Mehr Ali Shah, Arid Agriculture University, Murree Ro, Entomology Section, Central Cotton Research Institute, Old Shu, may vary due to their higher level of, on arum and horse purslane was seen. Kata kunci: Glycine max, SlNPV, Spodoptera litura ABSTRACT Spodoptera litura is a major pest of soybean, it can reduce soybean yield by 85%. >> Institute Peanuts 8 The story starts with …. endobj 37 Full PDFs related to this paper. Spodoptera litura larvae are polyphagous insects that have become a significant pest in recent years. It is one of the main sources of livelihood for farmers in Pakistan, especially who grow vegetables in their farms instead of other seasonal crops. Only short shoot leaves, i.e. The common cutworm, Spodoptera litura Fabricius (Lepidoptera: Noctuidae) is a major pest of soybean. The surface sterilized seeds of tomato were inoculated with plant growth promoting rhizobacteria (PGPR) for 3-4 h prior to sowing. /Ascent 891 botrytis and its correlation with weather parameters. 13 0 obj Resistance, as measured in terms of insects present on plants, of the breeding lines to arthropod pests was compared with that of cultivars commonly grown in south Texas by monitoring, Studies were carried out from June to November, during 2012 and 2013 at Peshawar, Pakistan to determine the population dynamics of Plutella xylostella (Lepidoptera: Plutellidae) in Cauliflower, Brassica oleracea L. var. Species (71) of insect parasitoids in seven families of Hymenoptera and two families of Diptera were listed as parasitoids of different stages of S. litura. Premium PDF Package. Bt treated cabbage leaves were found most effective with 11.21% mortality while cotton gave least effective results with 9.99%. /Type /Font Spodoptera litura. Positive correlation was also found between endosulfan and carbamates. Download with Google Download with Facebook. However, it is the worm-like young (larvae) that cause the damage. Predatory insects (36) belonging to 14 families and 12 species of spiders from six families have been reported to feed on this species. PDF. The adult is a dark brown moth with white lines on its wings. Our work opens new perspectives in designing novel pest-management strategies. Also, an important reduction of Anthonomus grandis emerging adults (up to 60%) was observed when the insect larvae were fed on T1 floral buds. 21: 249-251. We analyzed the interaction of selected host plant metabolites with the modeled structure of SlitCSP3. << AT U.S. The results indicated that the use of biorational control agents such as synthetic insect growth regulators (IGRs) and those based on naturally derived products such as botanical insecticides show promise as a potential tool in S. litura management programs. At lower temperatures, for example on glasshouse chrysanthemums in Europe, larvae often go through an extra instar, and maturation may take up to 3 m… USDA-APHIS-PPQCPHST. 1 Introduction. The experiment was set up as a randomized complete block design (RCBD). Moth catches then decreased drastically to a, drastically. Access scientific knowledge from anywhere. The effects of delayed mating with multiple partners on different indexes of mating in female and male Spodoptera litura (Fabricius) (Lepidoptera: Noctuidae) were determined in this study. It is a polyphagous pest of about 27 host species belonging to 25 genera of 14 families including cultivated crops, vegetables, weeds, fruits and ornamental plants, ... High reproductive rate, rapid damage potential and extensive host range have contributed towards the economic status of the pest. 10 0 obj /FontName /Times#20New#20Roman,Bold Spodoptera litura, otherwise known as the tobacco cutworm or cotton leafworm, is a nocturnal moth in the family Noctuidae. populations of insect pests on the various lines and cultivars. Integration of ecological and physiological/molecular approaches are imperative to encounter pathogen attack in order to enhance crop yield. The effect of various flavonoids, lectins and phenyl β‐ D ‐glucoside on larval survival, weights and the activities of digestive (total serine protease and trypsin) and detoxifying (esterase and glutathione‐S‐transferase) enzymes of Spodoptera litura larvae at 7 days after treatment was studied through diet incorporation assay. This system was recorded as having the highest build-up of natural enemies, which resulted in a reduction of insect pests and also the highest cauliflower head weight. Inap-propriate application of chemical insecticide … In 2019, current study was conducted to check the toxicity of Bacillus thuringiensis on 2nd larval instars under laboratory conditions by using different hosts. Case Study - Controlling Spodoptera litura ARI. The aMD simulations required extra parameters Edihed, αdihed, Etotal and αtotal, as provided in Equation 1: Edihed = Vavg_dihed + a1 × Nres, αdihed = a2 × Nres/5 Etotal = Vavg_total + b1 × Natoms, αtotal = b2 × Natoms, ... Spodoptera litura (Fabricius, 1775) (Lepidoptera: Noctuidae), commonly known as tobacco caterpillar, is an economically important polyphagous pest widely distributed all over India, South Asia, Southeast Asia, Australia and Pacific islands (Divya 2016). Endophytic fungal secondary metabolites are considered as an effective and environmentally friendly alternative to synthetic chemicals for integrated pest management. … ... (Lepidoptera: Noctuidae), is global agricultural pest. Pheromone traps are used to monitor male adults, but the catch peaks do not always predict leaf damage in soybean fields. The results indicated that 100% mortality was recorded on cabbage after 72 hours of treatment. The toxicity of the most commonly used insecticides of organochlorine, organophosphate, pyrethroid, and carbamate groups were investigated against Spodoptera litura (F.) (Lepidoptera: Noctuidae) populations collected for three consecutive years (2004-2006). In addition, antibiotic quality of A. sojae metabolite tested against five selective bacteria. The following key is designed to help separate middle to late instar S. litura and S. littoralis from other Old World species of Spodoptera included in the revision by Pogue (2002).. Data on mandible morphology was taken from Brown and Dewhurst (1975) (African Paired wise comparisons of the log LC50s of insecticides tested for all the populations showed correlations among several insecticides, suggesting a cross-resistance mechanism. Bulletin OEPP/EPPO Bulletin, 34:257-270. Infestation with S. litura significantly decreased plant growth and yield. botrytis L. is a cole crop belongs to the family Cruciferae. determined in order to provide a single index of pest/natural enemy populations. From the present results, we conclude that PGPR can promote growth and yield of tomatoes under attack and help the host plant to combat infestation via modulation in IAA, SA, ABA and other secondary metabolites. or. Create a free account to download. Identification notes for Spodoptera litura and Spodoptera littoralis (Lepidoptera: Noctuidae) and some native Spodoptera moths. The bioassay results showed that A. sojae metabolite affects third and fourth instar larvae of S. litura. tortuosa) was bioassayed for the autumnal moth (Epirrita autumnata) by rearing larvae on birch leaves in a laboratory and measuring their growth, consumption rate, approximate digestibility, efficiency of conversion of ingested food and efficiency of conversion of digested food. As for the S. litura it was not significant differences at LC 50 (96 hr) of various amount treated in all treatments. It is an indigenous pest of a variety of crops in South Asia and was found to cause 26–100% yield loss in groundnut (Dhir et al., 1992). Spodoptera litura is an important agricultural pest distributed of global importance. Larvae develop through six instars in 15-23 days at 25-26 °C. The results indicated that the application of A. indica extracts and synthetic IGRs (buprofezin & triflumuron) significantly caused the S. litura mortality throughout the experimental period. In this study, different parts of medicinal plant Plectranthus amboinicus (Oregano) were selected to isolate twenty-three fungal endophytes. In an outbreak phase, this insect can completely defoliate large area of crops causing the reduction in yield. /FontWeight 700 Field populations of Spodoptera litura from Pakistan were evaluated for their resistance to conventional insecticidal chemistries viz. SlitCSP3 structure has six α-helices arranged as a prism and a hydrophobic binding pocket predominated by leucine and isoleucine. There is a considerable scope for increased attention to the role of natural enemies as component of integrated pest management programmes of S. litura. Multiple regression models showed 90-98% (R 2) interaction between the population of P. xylostella and weather parameters. 1 Peneliti Proteksi Balai Penelitian Tanaman Kacang- kacangan dan Umbi-umbian, Kotak Pos 66 Malang 65101, Telp. It is highly polyphagous, able to feed on many families of plants, including important crops such as cotton, beans, tobacco, vegetables, and rice (Dhir et al., 1992;Qin et al., 2004;Zhou, 2009; ... Rao et al. Oriental leafworm Spodoptera litura. When these same products were tested against a susceptible laboratory population (Lab-PK), emamectin and indoxacarb were significantly more toxic than other compounds tested. The tobacco cutworm, Spodoptera litura (Fabricius) (Lepidoptera: Noctuidae) is well-known as a notorious cosmopolitan pest insect with extensive host range of economically important crops such as mallorca cabbage, Brassica balearica L. (Brassicales: Brassicaceae), maize, Zea mays L., rice, Oryza sativa L. [1]. Host plant survey for two years from three different locations in cotton belt revealed 27 plant species as host plants of S. litura belonging to 25 genera of 14 families including cultivated crops, vegetables, weeds, fruits and ornamental plants. ARTICLE HISTORY. Heavy resistance to all conventional. © 2008-2021 ResearchGate GmbH. This suggests that a bioactive ingredient withaferin A, found in the parts of the medicinal plant, Withania somnifera interferes with the neuroendo-crine system of the insects resulting into disruption of moulting and metamorphosis. F. Telur berbentuk hampir bulat dengan bagian datar melekat pada daun (kadang tersusun 2 lapis), warna coklat kekuningkuningan, berkelompok - (masing-masing berisi 25 – 500 butir) tertutup bulu seperti beludru Percent Relative Humidity showed a positively significant (p<0.05) relationship (r =0.79 and 0.67) with population dynamics whereas a negative correlation ((r =-0.98 and-0.46) was recorded with total rainfall but was statistically significant in 2012 and non-significant in 2013. From Physiology to Evolution, Integrated Pest Management of Vegetable and Fruit Crops. Free PDF. << The results showed that the gut bacterial diversity of S. litura reared on taro leaves or an artificial diet, were similar at the phylum level, as both were mainly composed of Proteobacteria, but differed significantly at the order level. Download PDF Package. Thus, delayed mating with multiple partners can disrupt the mating and reproductive potential of S. litura. Spodoptera litura & Spodoptera littoralis •Geographical origin important but host less so •Both highly polyphagous on many plant families: ornamentals, fruit and vegetables. Spodoptera litura is a notorious leaf feeding insect pest of more than one hundred plants around the Asia-Pacific region. (1993) reported S. litura as a polyphagous pest that has about 150 host species. For a chlorocyclodiene and pyrethroids tested, the resistance ratios compared with Lab-PK were in the range of 10- to 92-fold for endosulfan, 5- to 111-fold for cypermethrin, 2- to 98-fold for deltamethrin, and 7- to 86-fold for beta-cyfluthrin. %PDF-1.5 S. litura can cause severe economic loss of crops like cotton, cabbage and okra. Different methods are adopted to control this notorious insect pest throughout the globe but biological control is one of them that proved best against it. botrytis belongs to the famous Brassica oleracea family. Additionally, significant amounts of indole-3-acetic acid (IAA), salicylic acid (SA) and abscisic acid (ABA) were detected in the leaf samples. The FTIR peaks of A. sojae crude extract shows the major peaks that corresponding to N-H, C-H, and O-H stretching and minor peaks are C-H bend (meta) and acetylenic C-H bend. Laboratory bioassays were conducted to compare the effects of the leaf extract of Acalypha indica L. (Euphorbiaceae) with synthetic insect growth regulators (IGRs) triflumuron and buprofezin against Spodoptera litura (F.). Table 1 Plants parts examined for leaf worm, Moth catch on a light trap with their main act, Figure 1 Calendar of some major host plant, cotton belt of Multan, Pakistan during 2006, Occurrence of insecticide resistance in field, against pyrethroids and organophosphates, Agricultural Insect Pests of the Tropics and, Lee, K. P., D. Raubenheimer, S. T. Behmer and, (1993) World review of the natural enemies, Loon. Such practices can create the following problems: (1) selection of resistance in population, (2) destruction of beneficial species, (3) resurgence of treated populations, (4) outbreak of secondary pests, (5) residues in foods and environment and (6) hazard to human and environment (Luckmann and Metcalf, 1994). The eggs hatch in about 4 days in warm conditions, or up to 11- 12 days in winter. •Outbreaks of Spodoptera litura in Yunlin in 2006. Results revealed that hexane, chloroform and ethyl acetate extracts of C. The maximum mortality of first instar larvae was The predators were subsequently released on cabbage plants that were infested with healthy S. FTIR analysis supports the presence of functional groups in accordance with GCMS data as dominating compound. Siklus Hidup Ulat Grayak (Spodoptera litura, F) dan Tingkat Serangan pada Beberapa Varietas Unggul Kedelai di Sulawesi Selatan Abdul Fattah dan Asriyanti Ilyas Balai Pengkajian Teknologi Pertanian Sulawesi Selatan Jl.Perintis Kemerdekaan Km 17,5.Makassar,Telepon : (0411) 556 449 E-mail : abdulfattah911@ymail.com Abstrak Introduction Cauliflower, Brassica oleracea L. var. and fruit derived from dried fruits of Piper longum L. Crop borer, Earias vitella (Fab.) /AvgWidth 427 Spodoptera litura can be identified by the shape of the structures on the inner surface of the valve. It was recorded from 154 plant species including field crops, vegetables, ornamentals, weeds, bushes and trees. In, Intercropping is one of the important components of habitat management based on the principle of reducing insect pests by increasing the diversity of an ecosystem. Proceedings of the National Academy of Sciences, India - Section B: Biological Sciences. 2013. endobj Early maximum, locations revealed that first larval infestation. To control these insect pests, most of the growers relied only on the use of insecticides and they applied on the schedules or calendar spraying without any considerations whether the pests are present in the field or damage occurs or not. Relationship between host plants and toxicity of Bacillus thuringiensis formulation against common cutworm, Spodoptera litura. Short shoots (within branches) accounted for more of the variance than branches (within trees/ramets) in most of the traits. Steps for dissection of male Spodoptera moths (Lepidoptera: Noctuidae) and notes on distinguishing S. litura and S. littoralis from native Spodoptera species. S. littoralis is found widely in Africa, Mediterranean Europe and Middle Eastern countries.It is a highly polyphagous organism that is a pest of many cultivated plants and crops. Second instar larva of S. litura were used for the bioassays. Compared with the effect on female fecundity, the delayed mating with multiple partners had a greater effect on the male mate contribution to fecundity. Mean insect numbers, percent damage and natural enemy counts across sampling intervals were. Some plant extracts have been used as a mixture to control insect pests and improve productivity. For organophosphates and carbamates, resistance ratios were in the range of 3- to 169-fold for profenofos, 18- to 421-fold for chlorpyrifos, 3- to 160-fold for quinalphos, 6- to 126-fold for phoxim, 7- to 463-fold for triazophos, and 10- to 389-fold for methomyl and 16- to 200-fold for thiodicarb. For spinosad, resistance ratio compared with Lab-PK were in the range of 7–122-fold, 3–95-fold for indoxacarb, 4–186-fold for abamectin, 2–77-fold for emamectin and 13–224-fold for fipronil. 8 0 obj Introduction and Distribution: Spodoptera litura is also known as the Oriental leafworm moth, Cluster caterpillar, Cotton leafworm, Tobacco cutworm, Tropical armyworm, Taro caterpillar, Tobacco budworm, Rice cutworm, and Cotton Cutworm. Delayed mating is an effective strategy that can decrease the fecundity of a pest by reducing the time that females have to mate. The most probable reason for low toxicity of these insecticides could also be the development of multiple resistance mechanisms; however, further studies are required to establish these mechanisms. fermentations and Stemona curtisii Hook f. ethanol extracts on the Common cutworm, Spodoptera litura (F) and Diamondback moth, Plutella xylostella (L), the insect pests of cauliflower, Brassica oleracea L. var. Sole reliance on insecticides has created problems for controlling insect and maintaining environment. PDF. The maximum attack rate (0.546 ± 0.058 h−1) and lowest handling time (0.189 ± 0.004 h) were exhibited by the females at 30 and 35 °C, respectively, whereas these parameters were inferior for early instars. DOCX. 10: 43–52 (2005). (5) Brambila, J. The present study aimed to evaluate the effects of two plant growth promoting rhizobacteria (Bacillus endophyticus and Pseudomonas aeruginosa) on the plant physiology and production of the secondary metabolites in tomato plants infested with Spodoptera litura (Fabricius) (Lepidoptera: Noctuidae). To this date, S. litura has infected about 290 plant species, belonging to 99 families [3, ... Spodoptera litura (Lepidoptera: Noctuidae) is an extensively distributed, economically important agricultural pest in tropical areas, Insecticide resistance monitoring and evolution More than 100 species of host plants are reported, many of which are of economic importance (EPPO/CABI, 1997, Robinson et al., 2010). Its common names reference two of the most frequent host plants of the moth. Effectiveness of Non Tai Yak (Stemona spp. The treatments also caused abnorrmal growth in larval, pupal, and adult stages. Female longevity was more as compared to male. We predicted the three-dimensional structure of SlitCSP3 and subsequently performed an accelerated molecular dynamics (aMD) simulation of the best-modeled structure. Most of these belong to the families Malvaceae, Solanaceae, Asteraceae, Euphorbiaceae, Amaranthaceae and Cucurbitaceae. This moth is found in Asia, with some specific problematic pest population reports occurring in Cambodia, Hong Kong, India, the Pacific islands, … 9 0 obj Institute 9 and continues with …. Thus intensified search for alternative strategies of pest control is necessary. There is an intriguing possibility that SlitCSP3 can perceive food-derived chemical signals and modulate insect feeding behavior. Economical damage was observed on cotton, brinjal, okra, tomato, sesame, sunflower and China rose with plant death in severe conditions. This paper. The active ingredient, witha-ferin A from W. somnifera may be safely and judiciously employed for the control of S. litura under field conditions along with other bio-rational approaches for insect pest management programs. >> PM 7/124 (1) Spodoptera littoralis, S. litura, S. frugiperda, S. eridania 411 ª 2015 OEPP/EPPO, Bulletin OEPP/EPPO Bulletin 45, 410–444 transported or stored in cool conditions. Spodoptera litura (Fabricius) (Lepidoptera: Noctuidae) is a major pest of several economically important crops with worldwide distribution. (2010) and. It contains most of the minerals and vitamins necessary for human diet. All the larvae and adult insect survivors on the transgenic lines were weaker and significantly smaller compared to the non-transformed plants. An increased level of protein, proline and sugar contents and enhanced activity of superoxide dismutase (SOD) was noticed in infected tomato plants associated with PGPR. Toxicity of Bacillus thuringiensis against second instar larvae of Spodoptera litura on different host plants, Plant characters of brinjal genotypes in relation to incidence of jassid Amrasca biguttula biguttula (Ishida), Temperature-Dependent Functional Response of Harmonia axyridis (Coleoptera: Coccinellidae) on the Eggs of Spodoptera litura (Lepidoptera: Noctuidae) in Laboratory, Molecular Modeling of Chemosensory Protein 3 from Spodoptera litura and Its Binding Property with Plant Defensive Metabolites, Archives of Phytopathology and Plant Protection ISSN: (Print) ( A steroidal lactone, withaferin A acts as a potential insect growth regulator against polyphagous pest, Spodoptera litura (Lepidoptera: Noctuidae), Characterization of Spodoptera litura Gut Bacteria and Their Role in Feeding and Growth of the Host, COMPARATIVE BIOACTIVITY OF PLANT EXTRACTS AND SYNTHETIC INSECT GROWTH REGULATORS AGAINST Spodoptera litura (F.) (LEPIDOPTERA: NOCTUIDAE), PGPR Modulation of Secondary Metabolites in Tomato Infested with Spodoptera litura, Selection and characterization of extracellular enzyme production by an endophytic fungi Aspergillus sojae and its bio-efficacy analysis against cotton leaf worm, Spodoptera litura, Delayed Mating with Multiple Partners Decreases Indexes of Mating in Female and Male Spodoptera litura (Lepidoptera: Noctuidae), Occurence of insecticide resistance in field populations of Spodoptera litura (Lepidoptera: Noctuidae) in Pakistan, Resistance to selected organochlorin, organophosphate, carbamates and pyrethroid insecticides in Spodoptera litura (Lepidoptera: Noctuidae) from Pakistan, Host Plants of Cotton Mealybug (Phenacoccus solenopsis): A New Menace to Cotton Agroecosystem of Punjab, Pakistan, Evidence for field evolved resistance to newer insecticides in Spodoptera litura (Lepidoptera: Noctuidae) from Pakistan, Herbivores: Their Interactions With Secondary Plant Metabolites, World Review of the Natural Enemies and Diseases of Spodoptera Litura (F.) (Lepidoptera: Noctuidae), Within-tree variability of mountain birch leaves causes variation in performance for Epirrita autumnata larvae, Plant Chemistry and Host Range in Insect Herbivores, Insect-Plant Biology. Earias vitella ( Fab. a pest by reducing the time that females have to mate ( R 2 Sullivan... Cutworm ( S. litura significantly decreased the number of matings in both sexes and the male contribution reproduction... To enhance crop yield Piper longum L. crop borer, Earias vitella ( Fab. between host.! Pos 66 Malang 65101, Telp fungi and its metabolite as an effective and friendly. In designing novel pest-management strategies matings and the mating success of both sexes mgÁmL À1 against freshly moulted sixth larvae! Crops in the development of CSP-based advanced biosensors, fruits and ornamental plants:! 6 to 7 branching stage were infested with S. litura, S. litura the role of enemies... 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