Metodos fisicos y agronomicos,metodos quimicos,metodos biologicos,etc. Aleyrodidae is a serious pest of tomato and cotton, worldwide. Aleyrodidae biotype b on tomato and cotton host plants khan ia, wan fh abstract bemisia tabaci gennadius homoptera. Danos causados por bemisia tabaci en cultivos en invernadero.
Review article biological control of bemisia tabaci using. Life history of bemisia tabaci gennadius homoptera. 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. Genetic diversity of bemisia tabaci 219 table i host plants, sites where whitefly populations were collected, b. Presentation mode open print download current view. 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. Vermutlich stammt bemisia tabaci ursprunglich aus einer tropischen oder subtropischen gegend, wahrscheinlich aus pakistan. The ratio between these and fertilised eggs changes with various conditions, ashasbeen shown by several workers who conducted sexratio counts under field conditions. Among the most important plant viruses to be transmitted by b.
Pdf biology of cotton whitefly, bemisia tabaci hemiptera. Bemisia tabaci, being arrhenotokous, is capable of laying unfertilised eggs, but these will develop into males only. In 1986, bemisia tabaci gennadius was found attacking an array or ornamental plants in florida greenhouses. Several species of parasitoid wasps have also proven to be effective biological control agents. Recently, the expression of insecticidal proteins andor toxins or doublestranded dsrna homologous to b. The sweetpotato whitefly bemisia tabaci is one of the more pestiferous of the group. Crop protection 25 2006 574584 concentration and management of bemisia tabaci in cantaloupe as a trap crop for cotton s. The contribution of conservation biological control to integrated control of bemisia tabaci in cottonq steven e. The contribution of conservation biological control to. Pm30771 vegetable plants for planting under protected conditions inspection of places. Silverleaf whitefly, bemisia tabaci predators such as lacewing larvae, lady beetles and larvae, mites, and spiders naturally control silverleaf whitefly populations. Page designed through the cooperative efforts of interagency itis teams.
The darker the color the closer they are to hatching. Whiteflies have long been considered a major pest of ornamental crops. Scientists in florida soon realized that this species. Phytoseiid predators as potential biological control agents. Pdf studies on biology of cotton whitefly, bemisia tabaci were carried out under screen house conditions on cotton variety h1117 and. Hosted by the usgs core science analytics and synthesis. Most reports of natural fungal infections of bemisia spp. Aleyrodes inconspicua quaintance, aleyrodes tabaci gennadius, bemisia neobemisia hibisci visnya, bemisia neobemisia rhodesiaensis visnya, bemisia achyranthes singh, bemisia bahiana bondar, bemisia costalimai bondar, bemisia emiliae corbett, bemisia goldingi corbett, bemisia gossypiperda misra and lamba, bemisia gossypiperda var. The whitefly, bemisia tabaci, is one of the most prolific pests of vegetables and ornamentals throughout the world. Bemisia tabaci indemne bemisia tabaci infectieuse tylcv. Soon similar outbreaks were reported from other states 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.
Bemisia tabaci, aphis gossypii, liriomyza huidobrensis. Resistance of melon cultivars to bemisia tabaci biotype b. Ellsworthb a usdaars, aridland agricultural research center, 21881 north cardon lane, maricopa, az 858, usa. Bemisia tabaci photos university of florida, institute of. There has been some confusion when referring to the different whitefly species andor biotypes of bemisia. Silverleaf whitefly, formerly known as bemsia argentifolii, is now officially recognized as the b biotype. 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. If you need help or a copy of the original photo please contact.
In hawaii, it was first found at pearl city, oahu in october 1982. This pest was first described as aleyrodes tabaci from tobacco in greece in 1889. Biological control of bemisia tabaci with fungi sciencedirect. The whitefly bemisia tabaci is an important pest of many economically important crops and the vector of begomoviruses family geminiviridae. Bemisia tabaci bemitadocuments eppo global database. Using an isogenic colony of whitefly developed at usdaars in charleston, sc, over 6,000 haploid male individuals were collected and used for genomic dna extraction. Bemisia tabaci background bemisia tabaci gennadius hemiptera.
1274 147 1183 409 946 989 694 187 1599 1588 475 23 1535 1081 333 849 106 469 1203 953 1601 1378 1347 1145 1292 113 73 1011 1197 880 1499 1213 110 1272 692 1099 764 714 1278 768 340 198 822 1102 201 41 1412