Effect of bemisia tabaci biotype in the transmission of tomato yellow leaf curl sardinia virus. Your use of this pdf, the bioone complete website, and all posted and. The silverleaf whitefly bemisia tabaci, also informally referred to as the sweet potato whitefly is one of several species of whitefly that are currently important agricultural pests. Feeding by immature bemisia, but not adults, has been associated with several developmental physiological disorders of plants. Bemisia tabaci populations from different locations and their respective host plants. Chemical class rotations for control of bemisia tabaci. This has been particularly evident in the united states during the past decade where b. In florida the b biotype is referred to as the sweetpotato or silverleaf whitefly. For publication in journals, books or magazines, permission should be obtained from the original photographers with a copy to eppo. In other parts of the world it may be referred to as the cotton or tobacco whitefly. The whitefly bemisia tabaci gennadius as pest and vector of plant viruses of common bean phaseolus vulgaris l. Adaptation of biotype b of bemisia tabaci to cassava a. Bemisia tabaci may be native to india but the evidence is inconclusive, and it is now cosmopolitan.
Ellsworthb a usdaars, aridland agricultural research center, 21881 north cardon lane, maricopa, az 858, usa buniversity of arizona, department of entomology, maricopa agricultural center, 37860 west smithenke road, maricopa, az 858, usa. Bemisia tabaci is a major pest of vegetables in ghana and damages plants by its sapsucking activity, vectoring plant diseases and secreting honeydew that promotes the. Bemisia tabaci, being arrhenotokous, is capable of laying unfertilised eggs, but these will develop into males only. Bemisia tabaci gennadius or bemisia argentifolii bellows. The contribution of conservation biological control to. Among them, the whitefly bemisia tabaci gennadius is one of the most significant. Whitefly bemisia tabaci management program for ornamental plants1 vivek kumar, cristi. Bemisia tabaci noun the noun bemisia tabaci has 1 sense 1. Bemisia tabaci, being possibly of indian origin fishpool and burban, 1994, was described under numerous names before its morphological variability was recognised. The sweetpotato whitefly, bemisia tabaci gennadius fig. In the past decades, numerous studies revealed the interactions of whitefly, host plant, and their natural enemies. The ratio between these and fertilised eggs changes with various conditions, ashasbeen shown by several workers who conducted sexratio counts under field conditions. Considerable research has been done on the taxonomy of bemisia tabaci, and perring 2001 proposed 7 distinct groups within the complex.
Wild accessions and segregating populations of tomato resistant to neoleucinodes elegantalis. Among the most important plant viruses to be transmitted by b. The objective of this study was to evaluate the repellent, irritant, and toxic effects of nets dipped in 20 different plant extracts on bemisia tabaci gennadius adults. In 2010, the b biotype was given a new designation, bemisia tabaci middle east asia minor 1, one of 28 cryptic species in the b. This insect first became a greenhouse pest in the u. In addition to use of extant fauna, importation of parasitoids belonging to the genera encarsia andor eretmocerus and of various predators has been successfully. Parasitism by encarsia formosa gahan on plants 639 sci. Silverleaf whitefly, formerly known as bemsia argentifolii, is now officially recognized as the b biotype. Wraightb aembrapa genetic resources and biotechnolo gy, parque esta,cao biol o. Itis taxonomy is based on the latest scientific consensus available, and is provided as a general reference source for interested parties. Basic aspects of whiteflies with emphasis on bemisia tabaci and trialeurodes vaporarorium. Bemisia tabaci, mosca blanca, resistencia, solanum. Pm100228 eppo a1 and a2 lists of pests recommended for regulation as quarantine pests 2019.
Bemisia tabaci med was also detected in 8 wholesale nurseries from 4 counties and 17. Host plants bemisia tabaci feeds on an extremely wide. Damage caused by this insect pest to commercial tomato may be directly. Insecticidal control and resistance management for bemisia tabaci. The repellent effect of volatile compounds was evaluated using a stillair olfactometer. Bemisia tabaci bemitadocuments eppo global database. Effects of plant essential oils on immature and adult. Biological control of bemisia tabaci using predators and. The silverleaf whitefly, formerly known as bemisia tabaci biotype b, but now widely known as middle eastasia minor 1 species was first identified as a new strain of b.
Bemisia tabaci is an extremely polyphagous pest that causes direct damage and can act as a vector of viral plant diseases. Bemisia minima danzig, 1964 bemisia minuscula danzig, 1964 bemisia nigeriensis corbett, 1935 bemisia restonicae goux, 1988 bemisia rhodesiaensis corbett, 1936 bemisia signata bondar, 1928 homonyms bemisia tabaci gennadius, 1889 common names bomuldsmellus in danish weisse fliege in language. The contribution of conservation biological control to integrated control of bemisia tabaci in cottonq steven e. This book will be unique in that it emphasizes the various interaction systems involving b. Issn 23207078 structure of the whitefly bemisia tabaci. In the subhimalayan region of north east india tomato is cultivated at a commercial scale but one of the limiting factors affecting the successful cultivation of this crop is the existence of whiteflies 4. Adaptation of biotype b of bemisia tabaci to cassava. Pdf presentation at hawaii pest control association learning conference. Population dynamics of whitefly bemisia tabaci genn. Cultures were reared by earml and tested jointly by personnel from earml and judy browns laboratory. Pdf the diagnosis of whitefly in ecuadors main objective was to analyze the socioeconomic and environmental impact of this. In many agronomic and vegetable cropping systems the use of insecticides is the primary strategy employed to control bemisia tabaci. The first nymphal instar is capable of limited movement and is called the crawler.
The genus bemisia contains 37 species and is thought to have originated from asia mound and halsey, 1978. Nineteen biotypes have been identified based on nonspecific esterase banding patterns biotypes at, and the two described. For publication in journals, books or magazines, permission should be obtained from the original photographers with a. Mosca blanca especies invasivas en florida pptx file. The whitefly, bemisia tabaci, is one of the most prolific pests of vegetables and ornamentals throughout the world. The past three decades have witnessed a dramatic increase in interest in the whitefly bemisia tabaci, owing to its nature as a taxonomically cryptic species, the damage it causes to a large number of herbaceous plants because of its specialized feeding in the phloem, and to its ability to serve as a vector of plant viruses. Pdf development and oviposition of the sweetpotato whitefly, bemisia tabaci. Apr 11, 2006 the past three decades have witnessed a dramatic increase in interest in the whitefly bemisia tabaci, owing to its nature as a taxonomically cryptic species, the damage it causes to a large number of herbaceous plants because of its specialized feeding in the phloem, and to its ability to serve as a vector of plant viruses. Bemisia tabaci gennadius y trialeurodes vaporariorum westwood. Host plant resistance for the management of bemisia tabaci core. The whitefly, bemisia tabaci gennadius is an enormously polyphagous insect pest showing the intercrop movement, high reproduction, resistances to insecticides, underleaf habitat, and virus transmission. Bemisia tabaci reference b biotype sequences 43 different arizona whiteflies collected in 2001 from 22 different locations highlighted. Page designed through the cooperative efforts of interagency itis teams.
Photograph by james castner, university of florida. While every effort has been made to provide the most reliable and uptodate information available, ultimate legal requirements with respect to species are contained in. Reviewarticle biologicalcontrolof bemisia tabaci withfungi. Aleyrodidae, is a polyphagous pest of vegetable and ornamental crops, with a wide distribution that encompasses all tropical and subtropical regions of the world, and a reported host range including over 500 plant species 1. Mortality factors affecting populations of sweetpotato. Insecticidal control and resistance management for bemisia. Bbiotype and parasitism by encarsia formosa gahan on collard, soybean and tomato plants. In addition to direct feeding damage by adults and nymphs, the insect is known to vector over 110 plant viruses, causes debilitating plant. However, it is not a legal authority for statutory or regulatory purposes. Bernisia tabaci is believed to be a species complex, with a number of recognised biotypes and two described extant cryptic species. Click here to download a pdf file that contains a list of florida plants on which this. Soon similar outbreaks were reported from other states and.
Review article biological control of bemisia tabaci using. Insecticide susceptibility of bemisia tabaci to karate and. There has been some confusion when referring to the different whitefly species andor biotypes of bemisia. All photos included on this page can only be used for educational purposes. Twenty years ago in 1986, florida experienced outbreaks of what is now known as bemisia tabaci biotype b, first in greenhouse poinsettia, then in a wide diversity of vegetable, ornamental and agronomic crops throughout the state.
Ellsworthb a usdaars, aridland agricultural research center, 21881 north cardon lane, maricopa, az 858, usa. Bemisia tabaci, a polyphagous insect with over 900 host plants, is an effective vector of more than 100 plant viruses. Pdf development of bemisia tabaci meam1 and med on. Public domain released by the usdaarsoriginal image by stephen ausmus. Parasitism by encarsia formosa gahan on plants 641 sci. In whitefly of the world, a systematic catalog of the aleyrodidae homoptera with host plant and natural enemy data. Effects of plant essential oils on immature and adult sweetpotato white. Trialeurodes vaporariorum whitefly, greenhouse cabi. Whitefly bemisia tabaci management program for ornamental plants1 vivek kumar, cristi palmer, cindy l.406 1490 492 637 309 441 204 1432 1031 1424 835 697 920 821 891 1281 360 1082 711 530 965 844 734 871 1234 401 121 1257 1070 636 1215 96 1378 734 416 1424 1256 1356 706 943 1018 1404 435