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Sunday, July 19, 2020 | History

2 edition of Virus yellows of sugar beet found in the catalog.

Virus yellows of sugar beet

Agricultural Development and Advisory Service.

Virus yellows of sugar beet

by Agricultural Development and Advisory Service.

  • 53 Want to read
  • 28 Currently reading

Published by Ministry of Agriculture, Fisheries and Food in Pinner .
Written in English


Edition Notes

Previous ed., 1979.

Statementedited by Plant Pathology Department, MAFF/ADAS.
SeriesLeaflet; 323
ContributionsGreat Britain. Ministry of Agriculture, Fisheries and Food. Plant Pathology Department., Broom"s Barn Experimental Station.
ID Numbers
Open LibraryOL14196766M

Compendium of Beet Diseases and Pests, Second Edition is a complete revision of the first edition and is updated and expanded to provide current and relevant beet (Beta vulgaris L.) production problems in one comprehensive revision was authored by 28 scientists affiliated with 14 different institutions or organizations, and contains nearly images throughout, approximately 80% ?iProductCode=   The effect of beet yellows virus on the yield of sugar beet was tested in the presence and absence of various fertilizers and farmyard manure. In general the manorial treatments increased the root and sugar yields of both infected and healthy plants, but the losses caused by infection increased proportionally as the mean yields ://

  Effects of Virus Yellows on Sugar Beet with a Consideration of some of the Factors Involved in Changes Produced by the Disease c. "v. B ENNETT, CHARLES PRICE, AND J. S. M cFARLANE' 2. In troduction. Virus yellows is a major disease of sugar beet in Europe, and losses in Fenland farmer and NFU Sugar board chairman Michael Sly says the emergency approval of Biscaya pesticide will help combat a high risk of virus yellows this ://

The transmission of sugar-beet yellows virus by mechanical inoculation. KASSANIS B. Ann Appl Biol, 36(2), 01 Jun Cited by: 1 article | PMID: YELLOWS VIRUSES IN SUGAR BEET AND MANGOLD SEED CROPS. RIBBANDS CR. Nature, , 01 Feb Cited by: 0   Recently, Clinch and Loughnane have published a paper 2 on this disease with the title "Seed Transmission of Virus Yellows of Sugar Beet and the Existence of


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Virus yellows of sugar beet by Agricultural Development and Advisory Service. Download PDF EPUB FB2

The spread of beet yellows and beet mosaic viruses in the sugar-beet root crop. Field observations of the virus diseases of sugar beet and their vectors Myzus persicae Sulz. and Aphis fabae Koch. Annals of Applied Biology - AAB. 38 (4), pp.

Sugar beet varieties resistant to virus yellows could be available to growers within three years – helping to secure the viability of the crop without neonicotinoid seed :// /breakthrough-in-sugar-beet-battle-against-virus-yellows.

SUGAR‐BEET YELLOWS VIRUS SUGAR‐BEET YELLOWS VIRUS Watson, M. (With P a e 1 1 and lts 12) Curly top, the most serious disease of sugar beet, does not occur in Britain. Sugar-beet yellows is, however, present and is underestimated as a potential danger to sugar :// These properties agree with those of the American virus.

Experiments using different aphid numbers feeding for constant times suggested that susceptibility of sugar beet to infection varies and this may account for some of the delay in infecting healthy plants. YNV was accompanied in beet by a second virus, yellow‐net mild yellows (YNMYV).

Until this year, neonicotinoid seed treatments protected 99% of UK sugar beet against virus yellows – which can cause yield losses of up to 49%. But Virus yellows of sugar beet book have been banned over concerns they harm pollinators. In a quest for an alternative approach, the £m project to breed virus-resistant sugar beet varieties began in   *source: British Sugar Virus Yellows Forecast for Factory Area Option Virus yellows (%) on Sowing Dates of Intended use of insecticide treated seed* Mean Temperature (Jan/Feb) 15 March 30 March 15 April Bury No Pest Control - ºC + Pest Control % Cantley No Pest Control - ºC The efficacy of the neonicotinoid pesticide, clothianidin against Myzus persicae and two yellowing viruses (beet mild yellowing virus and beet yellows virus) infecting sugarbeet cultivars Impulse and Helix was determined in a field experiment conducted in UK duringand and compared to that of imidacloprid.

Clothianidin, applied to pelleted sugarbeet seeds at 30, 45, 60 and 90 g The virus yellows threat will be earlier and much greater this year than last, according to the British Beet Research Organisation’s forecast. It predicts that the mild winter means % of /pests/tips-on-using-teppeki-to-control-virus-yellows-in-beet.

Beet Western Yellow Virus. Beet Western Yellows Virus (BWYV) is a very common virus disease of sugar beet. It causes yield losses in all areas that beet crops are grown. Different strains of the virus have varying host range and cause different levels of disease severity.

The time of infection effects the levels of sugar yield About this book. Compendium of Beet Diseases and Pests, Second Edition is a complete revision of the first edition and is updated and expanded to provide current and relevant beet (Beta vulgaris L.) production problems in one comprehensive volume.

This revision was authored by 28 scientists affiliated with 14 different institutions or organizations, and contains nearly images throughout pests & diseases The main focus of the study group Pests & Diseases is the crop protection of sugar beet, with the aim to improve productivity and to minimise an environmental impact.

This group covers all areas of phytopathology, virology, zoology and germplasm and pathogen :// Neonicotinoid seed treatments to control aphids and virus yellows in sugar beet.

Proceedings 1st Joint IIRB-ASSBT Congress, San Antonio, 26 February-1 March pp. Trapped in One was sugar beet yellows virus (SBYV) and produced vein‐etch and yellowing symptoms on beet seedlings in the glasshouse; the other produced yellowing but no etch.

These two viruses were apparently unrelated, so that sugar beet tolerant to one of them would not necessarily be tolerant to the other. The second virus, called ‘sugar beet mild Introduction Beet yellows virus (BYV) is the type member of the genus members of this group are characterized as aphid-transmitted viruses with flexuous, filamentous particles.

At least species in 15 families are experimentally susceptible to BYV (Duffus, ; Peters, ) and most potential host species occur in the Amaranthaceae, Aizoaceae, Caryophyllaceae or ?dsid= Virus yellows is an important disease affecting yield in sugar beet in the UK.

Myzus persicae (Sulzer) is the most effective and efficient aphid vector of the three viruses causing the disease Experiments have shown that, as in the yearstwo yellowing viruses, beet yellows virus (SBYV) and sugar-beet mild yellowing virus (SBMYV), were present in commercial sugar-beet crops in Yellowing diseases of sugar beet have recently been reported from Australia by L.

Stubbs (Plant Diseases Conference (Duplicated Report) Australian Agricultural Council, Melbourne, ) and from the United States [see above, p. ], but whether they are identical with beet yellows virus disease in Europe [C.M.I, map No. ; R.A.M., 33, p. ; next abstract and above, p. ] is as yet Aranzazu Moreno, Alberto Fereres, in Advances in Virus Research, B Nucleic acid components.

The particles contain a single molecule of positive-sense RNA with a genome-linked protein (VPg) and no polyA tail in 3′ or tRNA-like structure (Veidt et al., ).The Beet western yellows virus (BWYV) genome (accession number NC_) contains six :// than sugar beet 13 Symptoms on weeds and other host plants 15 Economic importance of Conclusionsyellows.

19 Damage to the sugar beet root crop 19 Damage to the sugar beet seed crop 22 Damage to the table beet and spinach 24 Secondary effects of yellows 25 Transmission of the yellows virus. 26 Transmission by insects 26 COVID Resources. Reliable information about the coronavirus (COVID) is available from the World Health Organization (current situation, international travel).Numerous and frequently-updated resource results are available from this ’s WebJunction has pulled together information and resources to assist library staff as they consider how to handle coronavirus.

Beet yellows disease is responsible for severe yield losses in sugar beet, estimated at 2 to 5 per cent for every week plants are infected (Duffus, ; Bar-Joseph et al., ). The virus is not seed-borne and does not spread by ?dpvno=  N2 - Using the enzyme-linked immunosorbent assay (ELISA) beet yellows virus (BYV) could be detected reliably in the leaves of sugar beet and Tetragonia expansa Pall.

and in the roots of sugar beet. Specifio γ-globulin of BYV antiserum was coupled 1. The incidence of virus yellows diseases in sugar beet crops in eastern England during –96 was analysed in relation to numbers of migrating Myzus persicae, the principal vector.

2. A non‐line