First report ofTobacco streak virusin sunflower (Helianthus annuus), cotton (Gossypium hirsutum), chickpea (Cicer arietinum) and mung bean (Vigna radiata) in Australia

Sharman, Murray; Thomas, J. E.; Persley, D. M.

doi:10.1071/dn08012

Cited by 31 publications

(26 citation statements)

References 4 publications

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“…We have previously illustrated symptoms on sunflower (isolate-1973), mung bean (isolate-2027), cotton (isolate-2120) and chickpea (isolate-1979) (Sharman et al, 2008), and further images of TSV symptoms on a range of crop and weed hosts are shown in Fig. 1a-i. The strain-specific MP-PCRs for each RNA segment worked very well for identification of TSV strains from a wide range of hosts (Table 1).…”

Section: Multiplex Rt-pcrs For Rna Segments and Host-range Studiesmentioning

confidence: 91%

“…c Partial or complete genome sequence has been derived for these isolates (Sharman et al, 2008(Sharman et al, , 2009Sharman & Thomas, 2013). a Primers and conditions for RNA-3 MP-PCR described by Sharman & Thomas (2013).…”

Section: Rna Segment-specific Multiplex Rt-pcrs For Tsv Strainsmentioning

confidence: 99%

“…TSV has been reported as the causal agent for major disease outbreaks in sunflower and mung bean in Australia (Sharman et al, 2008), in oilseed and pulse crops in India (Prasada Rao et al, 2000;Reddy et al, 2002) and in soybean in Brazil (Almeida et al, 2005) and the USA (Rabedeaux et al, 2005). In Australia and India, parthenium weed (Parthenium hysterophorus) is the major alternative host of TSV strains that are closely associated with disease Ann Appl Biol 167 (2015) 197-207 © 2015 The State of Queensland through the Department of Agriculture and Fisheries outbreaks in nearby crops (Prasada Rao et al, 2003;Sharman et al, 2009).…”

Section: Introductionmentioning

confidence: 99%

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Natural host range, thrips and seed transmission of distinctTobacco streak virusstrains in Queensland, Australia

2015

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Diseases caused by Tobacco streak virus (TSV) have resulted in significant crop losses in sunflower and mung bean crops in Australia. Two genetically distinct strains from central Queensland, TSV-parthenium and TSV-crownbeard, have been previously described. They share only 81% total-genome nucleotide sequence identity and have distinct major alternative hosts, Parthenium hysterophorus (parthenium) and Verbesina encelioides (crownbeard). We developed and used strain-specific multiplex Polymerase chain reactions (PCRs) for the three RNA segments of TSV-parthenium and TSV-crownbeard to accurately characterise the strains naturally infecting 41 hosts species. Hosts included species from 11 plant families, including 12 species endemic to Australia. Results from field surveys and inoculation tests indicate that parthenium is a poor host of TSV-crownbeard. By contrast, crownbeard was both a natural host of, and experimentally infected by TSV-parthenium but this infection combination resulted in non-viable seed. These differences appear to be an effective biological barrier that largely restricts these two TSV strains to their respective major alternative hosts. TSV-crownbeard was seed transmitted from naturally infected crownbeard at a rate of between 5% and 50% and was closely associated with the geographical distribution of crownbeard in central Queensland. TSV-parthenium and TSV-crownbeard were also seed transmitted in experimentally infected ageratum (Ageratum houstonianum) at rates of up to 40% and 27%, respectively. The related subgroup 1 ilarvirus, Ageratum latent virus, was also seed transmitted at a rate of 18% in ageratum which is its major alternative host. Thrips species Frankliniella schultzei and Microcephalothrips abdominalis were commonly found in flowers of TSV-affected crops and nearby weed hosts. Both species readily transmitted TSV-parthenium and TSV-crownbeard. The results are discussed in terms of how two genetically and biologically distinct TSV strains have similar life cycle strategies in the same environment.

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Section: Multiplex Rt-pcrs For Rna Segments and Host-range Studiesmentioning

confidence: 91%

Section: Rna Segment-specific Multiplex Rt-pcrs For Tsv Strainsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Natural host range, thrips and seed transmission of distinctTobacco streak virusstrains in Queensland, Australia

2015

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“…In the similar manner, natural infection of TSV has been reported from other countries: horticultural crops: Black raspberry (Rubus occidentalis) [18], crane berry (Vaccinium macrocarpon) [17], dahlia (Dahlia variabilis) [24]; agricultural crops: Solanaceous crops: pepper (Capsicum spp.) [14], tobacco (Nicotiana tabacum) [11], Potato (Solanum tuberosum) [30], tomato (S. lycopersicum) [8], Legume crops: soybean (G. max) [13], cowpea (V. unguiculata), white clover (Melilotus alba) [19], groundnut (A. hypogaea) [7], Other crops: sunflower (H. annuus) [9,31], cotton (G. hirsutum) [35]. So far, experimental host range of TSV was reported by authors from different countries [8,12,19,25].…”

Section: Introductionmentioning

confidence: 99%

New Experimental Hosts of Tobacco streak virus and Absence of True Seed Transmission in Leguminous Hosts

Vemana

Jain

2010

Indian J. Virol.

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Of 70 plant species tested, 50 species were susceptible to Tobacco streak virus (TSV) on sap inoculation. Both localized (necrotic and chlorotic spots) and systemic (necrotic spots, axillary shoot proliferation, stunting, total necrosis and wilt) symptoms are observed by majority of plant species. Eleven new experimental hosts were identified viz., Amaranthus blitum var. oleracea (Chaulai sag), Celosia cristata (Cocks comb), Beta vulgaris var. bengalensis (Palak/Indian spinach), Calendula officinalis (Pot marigold), Chrysanthemum indicum, Cosmos sulphurens (Yellow cosmos), Citrullus lunatus (Watermelon), Lagenaria siceraria (Bottle gourd), Coriandrum sativum (Coriander), Hibiscus subderiffa var. subderiffa (Roselle) and Portulaca oleraceae (Little hogweed). Detected groundnut seed infection with TSV for the first time by Direct antigen coated immunosorbent assay (DAC-ELISA) using whole seed. The seed infection ranged from 18.9 to 28.9% among the seeds collected from naturally infected and sap inoculated groundnut varieties (JL 24, TMV 2, Prasuna, Kadiri 6, Kadiri 9, Anantha and Kadiri 7 Bold) belonging to spanish and virginia types. Further, TSV was detected both in pod shell and seed testa and none of the samples showed the presence of TSV either in cotyledon or embryo. Grow-out and bio-assay tests proved the absence of seed transmission in groundnut and other legume crops. Hence, TSV isolate was not a true seed transmission case under Indian conditions in legumes.

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“…TSV was first reported in Australia in 1971 and has subsequently been reported on tobacco, strawberry, dahlia and various weed species, mostly from south-eastern Qld (Greber et al 1991). More recently, TSV has been reported infecting sunflower, cotton, mung bean and chickpea Qld (Sharman et al 2008). Typical symptoms of TSV on beans are shown in Figure 3.…”

Section: Pest Detailsmentioning

confidence: 98%

A Photo-Based Key of Thrips (Thysanoptera) Associated with Horticultural Crops in Florida

Cluever

Smith

2017

Florida Entomologist

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First report ofTobacco streak virusin sunflower (Helianthus annuus), cotton (Gossypium hirsutum), chickpea (Cicer arietinum) and mung bean (Vigna radiata) in Australia

Abstract: Tobacco streak virus (genus Ilarvirus) is recorded on sunflower (Helianthus annuus), cotton (Gossypium hirsutum), chickpea (Cicer arietinum) and mung bean (Vigna radiata) in Australia for the first time. (a) (c) CSIRO PUBLISHING www.publish.csiro.au/journals/apdn

Cited by 31 publications

References 4 publications

Natural host range, thrips and seed transmission of distinctTobacco streak virusstrains in Queensland, Australia

Natural host range, thrips and seed transmission of distinctTobacco streak virusstrains in Queensland, Australia

New Experimental Hosts of Tobacco streak virus and Absence of True Seed Transmission in Leguminous Hosts

A Photo-Based Key of Thrips (Thysanoptera) Associated with Horticultural Crops in Florida

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