It is currently recognized as a complex of cryptic species with world wide distribution. Common ornamental and vegetable plants in florida that are excellent hosts include. Chapter 14 host plant resistance for the management of bemisia tabaci. Comparing host plant resistance, repellent mulches, and at. Adults and larvae feed by sucking from the phloem bundles of the leaves.
Impact of host plant species and whitefly species on feeding behavior of bemisia tabaci milan milenovic 1,2,3, everlyne nafula wosula 3, carmelo rapisarda 1 and james peter legg 3 1 dipartimento di agricoltura, alimentazione e ambiente, university of catania, catania, italy. Transcriptome analysis reveals a comprehensive insect. To evaluate resistance parameters and to identify plant material with high levels of resistance, we. Frontiers impact of host plant species and whitefly.
Host plant resistance has potential as an integrated pest management component for suppression of sweetpotato whitefly populations berlinger, 1986 and may provide a more biorational approach for reducing the impact of sweetpotato whitefly transmitted viruses and plant. A multicrop survey with emphasis on tomato gloria nombela and mariano muniz introduction control measures commonly used against insect pests in horticultural crops rely. Bemisia tabaci gennadius or bemisia argentifolii bellows. Significant damage is due simply to feeding by innumerable individuals, but the main threats posed by bemisia infestations are through the plant viruses they transmit and resistance to insecticides. Homoptera characterized with random dna markers 1yasodha perumal, 2murugan marimuthu, 1abida puthenpeedikal salim and 1balasubramanian ponnusamy 1department of plant molecular biology and biotechnology, centre for plant molecular biology. Host plants the tobacco whitefly, bemisia tabaci gennadius, is a notorious pest of many crops. Bemisia tabaci gennadius is one of the most important agricultural insect pests and has shown high invasiveness and genetic diversity globally. Aleyrodidae is among the 100 worst invasive species in the world.
A literature search revealed that hpr research with the bemisia tabaci b. The first nymphal instar is capable of limited movement and is called the crawler. Here, we aimed to identify macroevolution patterns in the relationships between generalists and their host plants that have the potential to promote diversification. Aleyrodidae in cotton race stocks for breeding improved cotton cultivars.
Recently, the expression of insecticidal proteins andor toxins or doublestranded dsrna homologous to b. The sweet potato cotton whitefly bemisia tabaci is a major agricultural pest in various fields and vegetable crops worldwide. Control measures commonly used against insect pests in horticultural crops rely mainly on the use of pesticides, but these products are often toxic to the environment and to nontarget species. Bacterial endosymbiont diversity among bemisia hemiptera. The mediterranean med group of bemisia tabaci commonly known as biotype q was detected in florida in 2005 in ornamental nurseries 20. This study also proved that resistance in tomato plants was successfully induced against. Aleyrodidae is a pest species complex that causes widespread damage to cassava, a staple food crop for millions of households in east africa. Aleyrodidae is a key pest in many agricultural crops, including vegetables, ornamentals and field crops. Identification and functional characterization of a novel.
The species of host plant did not influence the sex ratio of b. Host plant influence on susceptibility of bemisia tabaci. Baseline susceptibility and biochemical mechanism of. Soybean genotypes evaluated for resistance to bemisia tabaci biotype b with their genealogies and origins. Host plant resistance to cucurbit yellow stunting disorder virus and bemisia tabaci in melon. Leaf morphological characters can be a factor for intra. The b and q biotypes are the two most predominant and devastating biotypes prevalent across china. Survey of reproductive host plants of bemisia tabaci. In the current study, our survey data of the 3 host plant subpopulations derived from the same parental population of b. Choice and nonchoice assays revealed a cor relation between resistance to b. Dynamics of bemisia tabaci biotypes and insecticide resistance in fujian province in china during 20052014 skip to main content thank you for visiting. Evaluation of potential new sources of melon host plant resistance to the whitefly, bemisia tabaci. Photograph by james castner, university of florida. A literature search revealed that hpr research with the bemisia tabacib.
Bth is the active ingredient of the syngenta plant activator bion. Collection site, date, plant host and population ids are indicated. It causes direct feeding damage such as the silverleaf condition in squash. A proposal to sequence multiple genomes of bemisia tabaci authors. Feeding by immature bemisia, but not adults, has been associated with several developmental physiological disorders of plants. Bemisia tabaci med is characterized by the ability to develop high levels of resistance to pyriproxifen and some neonicotinoid insecticides 21,22.
The b biotype is more competitive than the q biotype under untreated conditions. Jan 22, 2019 whiteflies of the bemisia tabaci species complex are economically important pests of cassava. Bemisia tabaci gennadius feeds on more than 600 host plants and vectors over 111 plant virus species and is considered to be a major invasive species worldwide. Bionomics and management of a global pest pp 503532 cite as the whitefly genome white paper. The whitefly bemisia tabaci gennadius, 1889 is a major plant pest of horticultural crops from the families solanaceae, fabaceae and cucurbitaceae in neotropical areas. Host plant mediated population variations of cotton whitefly. Pdf resistance to bemisia tabaci in tomato wild relatives. Glycine max, silverleaf whitefly, host plant resistance, attractiveness, nonpreference. It has been reported on cultivated, as well as wild plants be longing to 63 botanical families mound and halsey, 1978. Airborne hostplant manipulation by whiteflies via an. Rnaimediated resistance to whitefly bemisia tabaci in. Dynamics of bemisia tabaci biotypes and insecticide. Aleyrodidae in cotton race stocks for breeding improved cotton cultivars by brandon wayne ripple get pdf 919 kb. Host plant leaves are removed using scissors to until three fully expanded leaves remain selected leaves should be of approximate same age.
Host plants influence susceptibility of whitefly bemisia. Therefore, the differences among them were considered as variants within the species. The whitefly, bemisia tabaci aleyrodidae interaction with. Host plants bemisia tabaci, host plants and geminiviruses. Control strategies for whitefly as a vector for cassava. Bemisia tabaci b has been a recurring pest in both the landscape and greenhouses in florida since the 1980s, but has. Aleyrodidae is one of the worlds top 100 invasive organisms found on over 900 host plants all around the world. Mar 31, 2016 transcriptome profile of 22 rna libraries from cotton plants infested with whiteflies at different time points. Bemisia tabaci has a wide host range, attacking and damaging plants of several botan ical families. Pdf bemisia tabaci is one of the most threatening pests in agriculture, particularly in. The exact origin of the med species of bemisia tabaci, and the reasons why it became such an important pest are still not fully known med species has been identified as a distinct member within the b. Engineering dual begomovirusbemisia tabaci resistance in.
Seq sequencing of the hr and zs cultivars following whitefly infestation for 0, 12, 24, and 48 h. Studies have shown that pubescent varieties are more preferred by b. Host plant resistance to whiteflies with emphasis on. It causes extensive damage by direct feeding on plants, reducing quality, secreting honeydew and transmitting plant viruses. Originally, bemisia tabaci had a narrow host range in the tropics and subtropics, feeding on cassava, cotton, sweetpotato, tobacco and tomato. The carmine spider mite tetranychus cinnabarinus, a cellcontent feeder, is equally an important economic pest. Temporal effects of a begomovirus infection and host plant. To cope with the potential risk associated to the use of chemical insecticides, host plant resistance to insects is. 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. We focused on the bemisia tabaci species complex containing more than 35 cryptic. It is considerable progress has been made in identification and utilization of crop germplasm for resistance to insect pests smith, 2005.
Using varieties of host plants with behavioral resistance antixenosis can also be an effective, economic and ecofriendly method for controlling pests. Each of these leaves is trimmed into a small rectangle 4 x 6cm approximately and the plants placed within the holding cage. Implications for breeding, field crops research on deepdyve, the largest online rental service for scholarly research with thousands of academic publications available at your fingertips. Dec 01, 2005 plant resistance to the b and q biotypes of sweetpotato whitefly, bemisa tabaci gennadius, induced by benzo1,2,3thiadiazole7carbothioic acidsmethyl ester bth or acibenzolarsmethyl in tomato marmande plants was evaluated in freechoice and nochoice assays under different conditions. Research survival of bemisia tabaci and activity of plant. It is known to feed on more than 900 plant species and vector over 100 plant damaging viruses oliveira et al. Resistance of melon cultivars to bemisia tabaci biotype b.
Choice and nonchoice assays revealed a correlation between resistance to b. Aleyrodidae interaction with geminivirusinfected host plants. Temporal effects of a begomovirus infection and host plant resistance on the preference and development of an insect vector, bemisia tabaci, and implications for epidemics. Comparing host plant resistance, repellent mulches, and at plant insecticides for management of bemisia tabaci meam1. Identification of host plant resistance to silverleaf.
But with the appearance of the silverleaf b biotype in the 1980s, the host range widened to more than 500 species, including many vegetables beans and other food legumes, including peanuts, capsicum. Wang z, yan h, yang y, wu y 2010 biotype and insecticide resistance status of the whitefly bemisia tabaci from china. Relative amount of symbionts in bemisia tabaci gennadius q. Records of both biotypes will aid in tracking populations that are developing pesticide resistance.
Insecticide resistance and its management in bemisia tabaci. Identification of whitefly resistance in tomato and hot pepper. Research morphological characterization of capsicum. Secondinstar whiteflies reared on cucumber, eggplant, tomato and bean plants for six generations were exposed to conidial suspensions of isaria fumosorosea isolate if1106. Host plant resistance to insect is a conventional approaches and phenomenon of interrelationship between host plants and affected by environmental factors. Aleyrodidae and tomato yellow leaf curl virus, journal of economic entomology, volume 112, issue 1, february 2019. We report the 615mb highquality genome sequence of b. Moreover, control of insects is difficult because many are polyphagous and develop insecticide resistance quickly. Dynamics of biotypes b and q of the whitefly bemisia tabaci. Entomopathogenic agents such as nematodes cuthbertson et al. In whitefly of the world, a systematic catalog of the aleyrodidae homoptera with host plant and natural enemy data. Frontiers impact of host plant species and whitefly species.
Host plant resistance to whiteflies, bemisia tabaci gennadius, biotype b. Cassava whitefly, bemisia tabaci gennadius hemiptera. To contribute to the knowledge on the biochemical mechanisms of host plant resistance to b. A resistance monitoring program conducted for the polyphagous whitefly, bemisia tabaci gennadius, in imperial valley, ca, usa generated a large set of lc 50 s for adults collected from broccoli, cantaloupe and cotton crops over a fouryear period. Host plant resistance is a major, often preventative measure for managing b. Bemisia tabaci damages plants through feeding and by inducing plant disorders such as silverleafing of squash and irregular ripening of tomato. A vial bioassay and, subsequently, a yellowsticky card bioassay produced similar temporal profiles of relative susceptibilities to the pyrethroid. Species in the complex cause direct feeding damage to cassava and are the vectors of multiple plant viruses.
Bemisia tabaci vigna green gram black gram host plant resistance bases of resistance. Dec 01, 20 read identification of host plant resistance to silverleaf whitefly in cotton. Insecticide resistance status in the whitefly, bemisia. A multicrop survey with emphasis on tomato by gloria nombela and mariano muniz get pdf 969 kb. Phylogenetic analysis of the mtcoi gene from bemisia tabaci populations collected in florida. Antibiosis and antixenosis resistance to oviposition by bemisia tabaci. To assess the global transcriptome profile of cotton in response to a phloem feeding insect i. Host plant resistance hpr to whiteflies is rare in cultivated crops. Accepted for publication 8 august 1985 abstract berlinger, m. Pdf host plant resistance for the management of bemisia. Whiteflies midflorida research and education center. The possible reasons for the change in the dynamics of b.
Host plant resistance to whiteflies, bemisia tabaci gennadius, biotype b, homoptera. Chapter 14 host plant resistance for the management of. Cucumis melo, aleyrodidae, silverleaf whitefly, host plant resistance, antixenosis, antibiosis. 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. Bemisia tabaci has a wide host range, attacking and damaging plants of several botanical families. In africa, they cause greatest damage through vectoring viruses responsible for cassava mosaic disease and cassava brown streak disease. Plant resistance to the b and q biotypes of sweetpotato whitefly, bemisa tabaci gennadius, induced by benzo1,2,3thiadiazole7carbothioic acidsmethyl ester bth or acibenzolarsmethyl in tomato marmande plants was evaluated in freechoice and nochoice assays under different conditions. Bemisia tabaci completed its development on 118 species of plants in 79 genera belonging to 28 families.
A literature search revealed that hpr research with the bemisia tabaci bemisia argentifolii complex has increased considerably in recent years, but largescale screening of a wide selection of genotypes is limited. Jan 23, 2017 the whitefly bemisia tabaci gennadius is an important agricultural insect pest worldwide. In 1978, twenty five species that were separated based on minor differences such as host plant were synonymized as gennadius. The exploration of host plant resistance and their biochemical mechanisms offers an excellent alternative to better understand factors affecting the interaction between. Clarklongterm population studies uncover the genome structure and genetic basis of xenobiotic 2 and host plant adaptation in the herbivore. Host plant influence on susceptibility of bemisia tabaci hemiptera. Identification and functional characterization of a novel acetylcoa carboxylase mutation associated with ketoenol resistance in bemisia tabaci. Dynamics of biotypes b and q of the whitefly bemisia.
Host plant resistance to bemisia tabaci sciencedirect. I resistance and resistance management monitoring changes in. A study was conducted to evaluate the use of reflective mulch and host plant resistance for the management of the sweetpotato whitefly, bemisia tabaci gennadius hemiptera. As one of the most important crop pests and virus vectors, b. Some biological features of cotton whitefly, bemisia tabaci. Benzothiadiazole induces local resistance to bemisia tabaci. Sweetpotato whitefly bemisia tabaci gennadius homoptera. Choice and non choice assays revealed a cor relation between resistance to b. Insectplant associations and their role in diversification are mostly studied in specialists. Direct and indirect effect of myzus persicae infestation. While these studies provide clear evidence that host plant origin can. Combining reflective mulch and host plant resistance for. Some of the recent work carried out on plant resistance to b. Host plant resistance to whiteflies, bemisia tabaci.
Bemisia tabaci has over 900 recorded host species with approximately 300 recorded species in florida. Benzothiadiazole induces local resistance to bemisia. Host plant mediated population variations of cotton whitefly bemisia tabaci gennadius aleyrodidae. Aleyrodidae in cotton race stocks for breeding improved cotton. Bemisia tabaci background bemisia tabaci gennadius hemiptera.
The draft genome of whitefly bemisia tabaci meam1, a global. The whitefly bemisia tabaci is an important pest of many economically important crops and the vector of begomoviruses family geminiviridae. 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. Adults and larvae feed by sucking from the phloem bundles. The whitefly bemisia tabaci and the mealybug phenacoccus solenopsis are common sapsucking pests, have broad host distributions, and can coexist on the same plant in the field.
Status and prospects conference paper pdf available july 20 with 141 reads how we measure reads. Oct 30, 2018 hugh a smith, curtis a nagle, charles m macvean, gary e vallad, edzard van santen, samuel f hutton, comparing host plant resistance, repellent mulches, and at plant insecticides for management of bemisia tabaci meam1 hemiptera. Detection of bemisia tabaci gennadius q biotype in. Whilst significant work has gone into developing virus resistant cassava cultivars, there has. The family asteraceae compositae included 23 host plant species 20% of the total belonging to 16 genera, while the family fabaceae leguminosae included 17 host plant species belonging to genera. Host plant resistance for the management of bemisia tabaci. Cuthbertson and walters, 2005 have also been shown to be important biological tools in the controleradication of b. Host plant resistance for the management of bemisia tabaci core. Abstractwe quantified the tritrophic effect of host plant on the susceptibility of the sweetpotato whitefly bemisia tabaci genn.
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