For example, cotton leaf curl multan virus clcumuv is an important monopartite begomovirus and infects many plant species including cotton and n. Control measures of cotton leaf curl virus technology times. Cotton leaf curl is a destructive disease of cotton and several other malvaceous plant species that is transmitted by b. While this virus is aphid transmitted, intensive insecticide programs directed at controlling this. Later on it was reported from tanzania in 19262 and from sudan in 19343. Department of agriculture usda agricultural research service ars scientists are now available for use in safeguarding u. Cotton leaf curl disease clcud outbreaks caused by clcud associated. With the exception of the whiteflytransmitted cotton leaf crumple virus in california and arizona, virus incited diseases have not previously caused significant losses in the southeastern united states cotton production region. They went from thousands of possible proteins down to two likely targets for the virus that causes cotton leaf curl disease. Nov 01, 2011 more than 15 young farmers of the district have been able to reap a good harvest from the american cotton crop which had been affected badly by a cotton leaf curl virus in early stages of. Cotton leaf curl virus clcuv is a serious pathogen causing leaf curl disease and affecting the cotton production in major growing areas. Cotton leaf curl virus disease clcud is caused by a suite of whiteflytransmitted begomovirus species and strains, resulting in extensive losses annually in india and pakistan. Seed dress imidachloprid 10 g kg seeds followed by seedling dip with same solution 0. Chilli leaf curl virus management chilcv disease is the most destructive virus disease in terms of incidence and yield loss.
Tomato plant flavonoids increase whitefly resistance and. Cotton leaf curl virus is a single stranded dna virus. Effect of cotton leaf curl virus infected plants on the. Cotton leaf curl viral disease complex caused by cotton leaf. Efforts to control this disease using host plant resistance remained. By exploiting biotechnological tools broad spectrum resistance can. Pymetrozine interferes with transmission of tomato yellow leaf curl virus by the whitefly bemisia tabaci. Leaves of infected cotton curl upward and bear leaf like enations on the underside along with vein thickening. In 1997, tomato yellow leafcurl begomovirus was discovered in florida, usa. It has some alternate hosts where it survives these alternate hosts are. Genetics and genomics of cotton leaf curl disease, its viral causal.
Identification and application of biocontrol agents. It was initially reported in 1967 in multan district as a minor disease to g. Management of white fly become more important after the introduction of clcv in the country. It has some alternate hosts where it survives these alternate hosts are tomato, tobacco, lehli, dhatura, okra, china rose etc. The present study describes the association of a distinct begomovirus species and a. Losses are difficult to assess, but estimates range up to 20% when infection occurs early in the growing season andor with highly susceptible cultivars. Usda research yields cotton resistant to top 20 ag threat. Jun 12, 2019 pappu and his team tested ai software on cotton plants, since scientists are familiar with that plants proteins. This disease is difficult to control owing to the occurrence of several virulent viral strains or related species rahman et al. Cotton leaf curl disease clcud after its first epidemic in 1912 in nigeria, has. Cotton leaf curl virus disease is one of the major threats for cotton production and has emerged as a serious disease of cotton in north india.
Development of cotton leaf curl virus resistant transgenic. Transcript mapping of cotton leaf curl burewala virus and its. Cotton leaf curl virus clcuv is the most serious disease of cotton in almost all cottongrowing areas of the country. Management of cotton crop under high cotton leaf curl virus. Towards the end of the epidemic phase, clcud almost entirely disappeared from cotton as resistant cotton varieties, developed by.
Cotton leaf curl virus clcv data in table 4 shows disease affected up 90% of observed plants 8 was in 1997 and 100% 6 was in 1998. More than 15 young farmers of the district have been able to reap a good harvest from the american cotton crop which had been affected badly by a cotton leaf curl virus in early stages of. Review article an overview of cotton leaf curl virus disease. Prediction of cotton leaf curl virus disease and its. Geminiviral diseases of cotton 127 cotton leaf curl disease a phylogenetic tree based on complete nucleotide sequences of all cotton begomoviruses is shown in figure 3. Tomato yellow leaf curl virus tylcv, a begomovirus genus begomovirus is the causal agent of tomato yellow leaf curl disease tylcd, which causes severe damage to tomato solanum lycopersicum crops throughout tropical and subtropical regions of the world. In this study, a small interfering rna sirna construct was designed to target the ac1 gene of. A group of whitefly transmitted ssdna viruses with ssdna satellites, causing leaf curl disease of cotton, vegetables, and ornamentals contents july 28, 20 page executive summary and contributors 1 i.
An overview of cotton leaf curl virus disease, persistant. Pdf the begomoviruses family geminiviridae associated with cotton leaf curl disease clcud pose a major threat to cotton productivity in southeast. Introduction cotton leaf curl, a viral disease of cotton, was reported for the first time in 1912 from nigeria1. Diversity, mutation and recombination analysis of cotton leaf curl. C lcuv belongs to genus begomovirus of geminiviridae family and is. Mar 30, 2014 cotton leaf curl virus clcuv geminiviridae. Cotton leaf curl disease clcud, caused by cotton leaf curl viruses clcuvs, is among the most devastating diseases in cotton.
Cotton family malvaceae, genus gossypium is one of the most important crops in china. This epidemic phase was associated with the presence of multiple begomovirus species, the most common of which were cotton leaf curl multan virus and cotton leaf curl kokhran virus clcukov mansoor et al. The article contribution program provides opportunity to the students to showcase their talent and their understanding in science communication. An overview of cotton leaf curl virus disease clcud a serious threat to cotton productivity amjad farooq 1, jehanzeb farooq, abid mahmood 1, amir shakeel 2, abdul rehman 3, asia batool 4, muhammad riaz 1, muhammad tasdiq hussain shahid 1 and saira mehboob 4. Nigeria in 1912 pakistan is 5th biggest cotton producer country. Exploration of cotton leaf curl virus resistance genes and. Cotton leaf curl virus clcuv belongs to the begomovirus genus and. Control volunteer potatoes and pluck out any plants that appear to be infected. Across pakistan, clcud is currently associated with a single begomovirus cotton leaf curl burewala virus clcubuv and the cottonspecific betasatellite cotton leaf curl multan betasatellite clcumub, both of which have recombinant origins. Begomovirus, the causative agent of leaf curl disease in cotton plants gossypium hirsutum, is exclusively transmitted by whitefly species bemisia tabaci gennadius hemiptera. Pdf cotton leaf curl virus disease a principle cause of decline in. Cotton leaf curl disease clcud, caused by whitefly bemisiatabaci. Cotton leaf curl virus clcuv is the most serious disease of cotton in almost all cotton growing areas of the country.
Pdf cotton leaf curl virus clcuv disease in pakistan. In this study, we used rga and est homologues of r genes to reveal their expression pattern in cotton leaf curl virus clcuvresistant and. Cotton leaf curl virus is a member of begomovirus and family geminiviridae. To thwart potato leafroll virus, use only certified disease free seed tubers. Although, the adoption of resistance varieties helped in control of the disease, it also. All t1 plants showed 6070% resistance as compared to control. It is transmitted by viruliferous whitefly bemisia.
Cotton leaf curl multan virus c4 protein suppresses both. Rebound of cotton leaf curl multan virus and its exclusive detection. The experiment, part of the present investigation, were conducted at the plant protection research station at qaha, kaliobia, egypt during the fall seasons of 2007 and 2008 to deal with the effect of intercropping tomato with cucumber, squash and common bean on the behavior of the cotton whitefly b. Rnainterference rnai is a proven technology used for knockdown of gene expression in higher organisms and viruses. Recovery plan cotton leaf curl disease caused by a. In october 2008 and july 2009, some cotton plants were found to develop upward leaf curl symptoms accompanied by thickening and often thick dark greening of leaf veins, leafy enations and stunting in a field of the suburb of nanning city, guangxi, china figs. Nov 21, 2017 cotton leaf curl disease clcud, caused by cotton leaf curl viruses clcuvs, is among the most devastating diseases in cotton. Clcumuv can cause leaf curl disease, a devastating disease of cotton when it is associated with a betasatellite dna. Okra leaf curl cameroon virus as of 2015 after ictv. Cotton leaf curl viral disease complex caused by cotton leaf curl virus complex begomovirus, geminiviridae. Engineer complete resistance to cotton leaf curl multan. Leaf curl virus disease of cotton is caused by a complex of whiteflytransmitted geminiviruses circular, singlestranded dna viruses, referred to as cotton leaf curl virus clcuv complex, and one of several associated dna satellites that contribute to helper virus virulence. Functional characterization of a strong bidirectional.
The most popular potato varieties do not have any resistance to potato leafroll virus, but there are other cultivars that. Hollyhock leaf crumple virus as of 2015 after ictv. The cotton leaf curl disease is most damaging when cotton plants. Raj s k, khan m s, snehi s k, srivastava s, singh h b, 2006. Cotton leaf curl burewala virus clcubuv is a whiteflytransmitted monopartite begomovirus and has recombinant genome composed of sequences derived from clcumuv and cotton leaf curl kokhran virus clcukov that were associated with cotton leaf curl disease clcud during 1990s 2426. Among these diseases, cotton leaf curl virus disease clcuvd is one of the. In pakistan, cotton leaf curl virus clcv was observed near multan in 19674. Development of cotton leaf curl virus resistant transgenic cotton. Occurrence of cotton leaf curl virus in the main cotton belt of punjab and its impact on yield losses during 20042005. Molecular insight into cotton leaf curl geminivirus disease. Functional characterization of a bidirectional plant promoter. We do not use these to store personal information about you.
Yield response of cotton to foliar nitrogen as influenced by sink strength, petiole maskovetz, n. Biotechnology can also help in controlling this disease through transcriptional gene silencing. Four dnaa variants among pakistani isolates of cotton leaf curl virus and their affinities to dnaa of geminivirus isolates from okra. Cotton leaf curl virus has been responsible for yield loss in all affected cottongrowing areas in africa since its discovery. Pappu and his team tested ai software on cotton plants, since scientists are familiar with that plants proteins.
Cotton leaf curl virus how is cotton leaf curl virus. C1 protein induces autophagy by disrupting the interaction of autophagyrelated protein 3 with glyceraldehyde 3phosphate dehydrogenases asigul ismayila, meng yanga, yakupjan haxima, yunjing wanga, jinlin lia, lu hana, yan wanga, xiyin zhenga, xiang weia, ugrappa nagalakshmib, yiguo hongc, linda hanleybowdoind, yule liua,e. Protecting cotton crop from sucking pests in the early. Surprisingly, clcubuv lacks c2, one of the genes present in all previously characterized begomoviruses. While the widely cultivated cotton species gossypium hirsutum is. Identification and application of biocontrol agents against. Dominance of recombinant cotton leaf curl multanrajasthan virus.
Cotton leaf curl virus has been responsible for yield loss in all affected cotton growing areas in africa since its discovery. It is difficult to control this disease due to occurrence of virulent viral strains or. Clcuv transmission occurs in sriganganagar rajasthan, an area endemic with cotton leaf curl disease. The most popular potato varieties do not have any resistance to potato leafroll virus, but there are other cultivars that do not develop the necrosis on the actual tubers. Development of cotton leaf curl virus clcuv diagnostic. Control measures of cotton leaf curl virus, a major threat to cotton s future november 27, 2017 november 8, 2018 editorial 0 comments threat cotton leaf curl disease is among the most destroying viral catastrophe that causes tremendous loss to cotton yield particularly in pakistan during the past 20 years. Taxonomy navigation begomovirus all lower taxonomy nodes 7 common name isynonym. Prediction of cotton leaf curl virus disease and its management through resistant germplasm and bioproducts. In india, chilli has been reported to be infected by several begomoviruses, namely chilli leaf curl virus chilcv, tomato leaf curl new delhi virus tolcndv and tomato leaf curl joydebpur virus khan et al. C1 gene in antisense orientation gene driven by cauliflower mosaic virus35s promoter and nos nopaline synthase terminator and mediated by agrobacterium tumefaciens. Continuing to use this website means you agree to our use of cookies. Blast, a new generation of protein data base search programs.
The whitefly has also been shown to transmit almost 60 other viral plant diseases. Biotechnology to help cure cotton leaf curl virus submitted by thelabworldgroup on sat, 11102012 06. Cotton not only provides fiber to textile industry but its seed is used as an important source of edible oil. The present epidemic of cotton leaf curl disease clcud originated in the punjab region near the city of multan and was first reported in 1985, although it was noted in this region as early as 1967. Cotton leaf curl viruses clcuv are a number of plant pathogenic virus species of the family geminiviridae in asia and africa the major disease of cotton is caused by the cotton leaf curl geminivirus clcuv. Among the various members of begomovirus species, cotton leaf curl multan virus clcumuv is the most devastating virus responsible for huge cotton production losses in the northernwestern india subcontinent since the 1980s. Cotton leaf curl virus clcuv is a serious pathogen causing leaf curl disease and. Introduction of tomato yellow leaf curl virus in florida and implications for the spread of this and other geminiviruses of tomato. Aug 26, 2019 this epidemic phase was associated with the presence of multiple begomovirus species, the most common of which were cotton leaf curl multan virus and cotton leaf curl kokhran virus clcukov mansoor et al.
Cotton leaf curl virus need not to be afraid of youtube. Diagnosis, monitoring and transmission characteristics of cotton leaf. Before sowing apply 25 gram carbofuran granules to the nursery. Chilli leaf curl palampur virus is a distinct begomovirus.
Pdf molecular and serological studies for detection and. Leaf curl, yellow leaf curl hosts tomato, pepper, eggplant, okra, tobacco, beans, cotton, cucurbits, citrus, and other crops as secondary hosts affected plant stages seedling and vegetative stages affected plant parts whole plant symptoms infected plant has stunted young leaves and shoots. New insecticides for management of tomato yellow leaf curl, a. Cotton is one of the most important crops of pakistan, accounting for over 60% of foreign exchange earnings. Occurrence of cotton leaf curl virus in the main cotton belt of punjab and. Oct 21, 2014 introduction of tomato yellow leaf curl virus in florida and implications for the spread of this and other geminiviruses of tomato.
Tomato yellow leaf curl virus tylcv is a tomato solanum lycopersicuminfecting plant virus transmitted by whitefly bemisia tabaci 1,2. Spray 10% of sorghum leaf extract to 15 to 20 day old seedling and at flowering. Genetics and genomics of cotton leaf curl disease, its. This is the worst viral disease transmitted by the whitefly, bemisia argentifolii. General information about cotton leaf curl gezira virus clcugv this website uses cookies our website uses cookies to ensure that we give you the best possible online experience. In 1997, tomato yellow leaf curl begomovirus was discovered in florida, usa. Gossypium hirsutum important cash crop of pakistan. Cotton leaf curl burewala virus clcubuv is a whiteflytransmitted monopartite begomovirus that infects cotton and has a recombinant genome composed of sequences derived from the cotton leaf curl multan virus clcumuv and cotton leaf curl kokhran virus clcukov 2325. Transcriptomics reveals multiple resistance mechanisms. In this study, we used rga and est homologues of r genes to reveal their expression pattern in cotton leaf curl virus clcuvresistant and susceptible cotton genotypes.
55 1263 223 416 764 325 1013 1328 681 568 24 1334 923 139 1042 796 726 411 820 1267 31 123 528 1358 1281 714 949 349 89 114 706 391 1016 908 871 568 459 859 746 1218 623 1410