Insecticides from the organophosphate op and pyrethroid py chemical families, have respectively, been in use for 50 and 30 years in west africa, mainly against agricultural pests, but also against vectors of human disease. Although it damages the crop by sucking the cell sap, inviting sooty mould on its honey dews and. The selection pressure, with practically the same molecules year after year mainly on cotton, has caused insecticide resistance in pest. Insecticide resistance and its management in bemisia tabaci species.
Transcriptional response of atpbinding cassette abc. It has attained this status partly through the development of insecticide resistance resulting from over. Asia minor 1 meam1, previously known as b biotype, is a major agricultural pest with a. Insecticide resistance in bemisia tabaci biotype q hemiptera. Insecticide resistance in bemisia tabaci homoptera. Insecticide resistance status of bemisia tabaci meam1. Field evaluation of different insecticide use strategies. The sweetpotato whitefly, bemisia tabaci gennadius middle east asia minor 1 meam1 hemiptera.
Bemisia tabaci background bemisia tabaci gennadius hemiptera. Insecticides are most often used to manage the spwf and tylcv. Insecticide resistance and control failure likelihood of the whitefly. Until 1986, the primary pest species was the greenhouse whitefly ghwf, trialeurodes vaporariorum westwood. Resistance to insecticides in the tylcv vector, bemisia tabaci. Pdf insecticidal control and resistance management for. Aleyrodidae, is one of most destructive insect pests of agriculture and horticulture worldwide. Insecticide resistance in bemisia tabaci gennadius. Whitefly strains were collected in early and late seasons mainly in three locations in northern, central, and southern. Key words systemic uptake bioassay, insecticide resistance, desert environment, host plant losses in agricultural production because of infestations of bemisia tabaci gennadius have increased the past 25 yr as virulent biotypes have been spread worldwide. Scientists in florida soon realized that this species. The sweet potato cotton whitefly bemisia tabaci is a major agricultural pest in various fields and vegetable crops worldwide.
Bulletin of entomological research 2002 92, 449460 doi. Pyrethroid and organophosphate resistance in the tobacco. Dynamics of biotypes b and q of the whitefly bemisia tabaci and its impact on insecticide resistance. Aleyrodidae is among the 100 worst invasive species in the world. Bemisia tabaci gennadius, commonly known as silverleaf whitefly, is a polyphagous pest and one of the most notorious invasive arthropods worldwide. The whitefly, bemisia tabaci, is one of the most prolific pests of vegetables and ornamentals throughout the world. Insecticidal control and resistance management for bemisia tabaci article pdf available in crop protection 209. Assessment of crossresistance potential to neonicotinoid. In 1986, bemisia tabaci gennadius was found attacking an array or ornamental plants in florida greenhouses. Esterase from insecticide susceptible native non bbiotype b.
Aleyrodidae from china article pdf available in crop protection 295. Susceptibility of these populations was varied with asiaii7 being the most susceptible, while asiai and asiaii1 populations were showing. It is known to feed on more than 900 plant species and vector over 100 plantdamaging viruses oliveira et al. Insecticide resistance in bemisia tabaci gennadius homoptera. Discriminating doses of 10 mgl for pyriproxyfen and 300 mgl for both. Insecticide resistance in the cotton whitefly bemisia tabaci genn. Insecticide resistance in the sweetpotato whitefly, bemisia tabaci homoptera. Resistancemanagement strategies implemented on cotton in israel, and subsequently in southwestern usa, have nonetheless so far succeeded in arresting the resistance treadmill in b. These polyphagous, highly efficient vectors of plant viruses present an intractable problem as they frequently carry a diverse suite of insecticide resistance mechanisms. Insecticide resistance status of bemisia tabaci meam1 hemiptera. Pdf insecticide resistance and its management in bemisia.
B biotype, is considered a major pest of cotton in pakistan. Such is the case of the putative whitefly species middle east. Pdf insecticide resistance in bemisia tabaci biotype q. Insecticide resistance in bemisia tabaci from cyprus. Insecticide resistance status in the whitefly, bemisia. Abstract a comprehensive study on the bemisia tabaci biotype b resistance to neonicotinoid insecticides imidacloprid, acetamiprid and thiamethoxam, and pyrethroid bifenthrin was conducted in cyprus. The implications of insecticide resistance management of b.
In bemisia tabaci, abc transporter subfamily g expression was significantly upregulated after exposure to imidacloprid 21. Irm insecticide resistance management isem immunosorbent electron microscopy kda kilodalton nbt nitro blue tetrazolium ncbi national center for biotechnology information nir near infrared. Host plant influence on susceptibility of bemisia tabaci. Aleyrodidae is a global agricultural pest that causes severe economic damage worldwide. Neonicotinoid insecticide resistance among populations of bemisia.
The present study is a summary of the current level of the insecticide resistance to selected organophosphates, pyrethroids, and neonicotinoids in seven indian field populations of bemisia tabaci genetic groups asiai, asiaii1, and asiaii7. The repeated use of the same active ingredients and application of excessive doses of insecticides within a given cropping season has led to the development of insecticide resistance in b. Regional distribution, insecticide resistance, and. The initial characterization of variant forms of b. Aleyrodidae which occurs in various parts of the world, has developed a high degree of resistance against several chemical classes of insecticide, including organophosphates, carbamates, pyrethroids, insect growth regulators and chlorinated hydrocarbons. The present study is a summary of the current level of the insecticide resistance to selected organophosphates, pyrethroids, and neonicotinoids in seven indian field populations of bemisia tabaci. Wed like to understand how you use our websites in order to improve them. Insilico docking studies on insecticide resistance acetylcholinesterase ache gene in aphis gossypii and bemisia tabaci ijirst volume 1 issue 6 016. Insecticide resistance and control failure likelihood of the whitefly bemisia tabaci. Dynamics of resistance to the neonicotinoids acetamiprid. Dispersion of invasive biotypes of the tobacco whitefly, bemisia tabaci, has led to protracted crop protection constraints in numerous countries over recent decades. There has been some confusion when referring to the different whitefly species andor biotypes of bemisia. Asia minor 1 meam1, previously known as b biotype, is a major agricultural pest with a reputation for developing resistance to insecticides.
Analysis of insecticide resistance in the whitefly. Monitoring insecticide resistance in biotype b of bemisia tabaci hemiptera. The tobacco whitefly, bemisia tabaci, is now a major world pest, causing extensive damage to both field and glasshouse crops. Photograph by james castner, university of florida. The dynamics of resistance in the sweetpotato whitefly, bemisia tabaci gennadius, to the neonicotinoids acetamiprid and thiamethoxam was studied extensively in cotton fields in israel during the cottongrowing seasons 19992003. Challenges with managing insecticide resistance in. Pdf insecticide resistance and its management in bemisia tabaci. Aleyrodidae populations from crete emmanouil roditakis.
On the basis of lc 50 adults and nymphs of the barakat block population sudan gezira board evolved resistance. The whitefly, bemisia tabaci aleyrodidae interaction with. Host plant influence on susceptibility of bemisia tabaci hemiptera. Nikos e roditakis and anastasia tsagkarakou plant protection institute of heraklio, national agricultural research foundation, 71003 heraklio, greece abstract. Pdf insecticide resistance in bemisia tabaci from cyprus. The evolutionary dynamics of insecticide resistance in the. Whiteflies have long been considered a major pest of ornamental crops. Aleyrodidae volume 85 issue 2 matthew cahill, frank j. Pdf a comprehensive study on the bemisia tabaci biotype b resistance to neonicotinoid insecticides imidacloprid, acetamiprid and. The activities of enzymes involved in metabolic detoxification and the. Pdf insecticide resistance in bemisia tabaci gennadius. Bemisia tabaci debilitates plants through removal of sap and contaminates crops by producing honeydew, a substrate for sooty mold. A survey for resistance in the cotton whitefly, bemisia tabaci genn. Bemisia tabaci gennadius or bemisia argentifolii bellows.
Esterase mediated sequestration of buprofezin is proposed as a mechanism of resistance to buprofezin in b. Insecticide resistance in bemisia tabaci from cyprus article pdf available in insect science 181. Plant pathology of the punjab agricultural university, ludhiana, is a bonafide research work carried out by harjit singh l2014a40. Insecticide resistance in bemisia tabaci biotype q. Hemiptera aleyrodidae is one of the major pests of cotton, soybean, tomato, pepper, eggplant and many. Silverleaf whitefly, formerly known as bemsia argentifolii, is now officially recognized as the b biotype. The tobacco whitefly, bemisia tabaci gennadius homoptera. Monitoring insecticide resistance and diagnostics of. The toxicity data of six commonly used insecticides against b.
This is the first report of a resistance mechanism to buprofezin in b. We report the 615mb highquality genome sequence of b. Bemisia tabaci was first identified as a new pest species in 1889 in greece 10 and is now recognized to comprise multiple genetic groups, also known as biotypes 11. Status of insecticide resistance in bemisia tabaci. The draft genome of whitefly bemisia tabaci meam1, a. As one of the most important crop pests and virus vectors, b. Bemisia tabaci gennadius, the sweet potato whitefly. It causes extensive damage by direct feeding on plants, reducing quality, secreting honeydew and transmitting plant viruses. Discriminating doses of 10 mgl for pyriproxyfen and 300 mgl for both diafenthiuron and.
Biotype b of the sweetpotato whitefly spwf, bemisia tabaci gennadius also known as the silverleaf whitefly, b. Certificate i this is to certify that the thesis entitled, status of insecticide resistance in bemisia tabaci gennadius on bt cotton submitted for the degree of master of science, in the subject of entomology minor subject. Proceedings of an international conference, brighton, uk, 1821 november 1996. Resistance in the cotton whitefly, bemisia tabaci genn. Bemisia tabaci, insecticide resistance, endosulfan, imidacloprid, acetamiprid, diafentthiuron. Insecticide resistance and its management in bemisia. Bemisia tabaci is one of notorious agricultural insect pests in china, and the strategies of management largely depend on application of insecticides.
Bemisia tabaci is among the most destructive of the vectors. Monitoring insecticide resistance in biotype b of bemisia. Insilico docking studies on insecticide resistance. Culicidae could compromise the sustainability of malaria vector control strategies in west africa. Insecticide resistance status in the whitefly, bemisia tabaci genetic.
Pdf the sweet potato cotton whitefly bemisia tabaci is a major agricultural pest in various fields and vegetable crops worldwide. The first nymphal instar is capable of limited movement and is called the crawler. Dynamics of bemisia tabaci biotypes and insecticide. Pyrethroid and organophosphate resistance in the tobacco whitefly bemisia tabaci homoptera. In order to assess levels of resistance in field populations of b.
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