Forestry

Download Applied Plant Virology by David G. A. Walkey (auth.) PDF

By David G. A. Walkey (auth.)

For the previous 20 years i've got labored as an utilized plant virologist, trying to determine and regulate virus illnesses in box vegetation. over the last ten years it's been my privilege to provide brief classes in plant virology to final-year scholars learning plant pathology, micro­ biology and common botany. during the interval i've been lecturing, it's been attainable to suggest a number of first-class 'library' books for extra studying in plant virology, yet there was no booklet overlaying utilized plant virology scholar may perhaps examine buying. With instructing specifications in brain this publication has been written to supply a concise creation to utilized plant virology in keeping with the reports i've got won engaged on virus illnesses, either in an utilized laboratory and within the box. The textual content concentrates on introducing the reader to features of plant virology that might be encountered on a daily basis by way of an utilized virologist attempting to determine viruses and strengthen keep an eye on measures for virus ailments of crop vegetation. even if a quick creation to virus constitution and its terminology is given within the starting bankruptcy of the e-book, no try is made to hide intimately the extra basic elements of virus constitution, biochemistry and replication. equally, the indicators brought on by person viruses should not defined, even if some of the sorts of indicators that plant viruses reason and that may be encountered through a pupil or learn employee are described.

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Sample text

R/1 : l. 5/21 : SIS: SIC1, Se. Name derived frotn southern bean mosaic. Group members have monopartite, ss-RNA genomes with isometric particles approximately 28 nm in diameter. They have a restricted host range and may be seed-transmitted. They are also transmitted by sap inocula tion and beetles (Sehgal, 1981). Other members of the group include blueberry shoestrang (204), cocksfoot mottle (23), ginger chloroticfieck (328), lucerne transient streak (224), riceyellow mottle (149), solanum nodiflorum mottle (318), sowbane mosaic (64), subterranean clover mottle (329), turnip rosette and velvet tobacco mottle viruses.

I vanowski, D. (1892). Ueber die mosaikkrankheit der tabakspftanze. Bull Acad Imp Sc St. ) 3,65-70. James, W. C. (1974). Assessment of plant diseases and losses. Ann Rev Phyto 12, 27-48. Jaspars, E. M. J. (1974). Plant viruses with a multipartite genome Adv Virus Res 19, 37-149. Kaper, J. M. and Tousignant, M. E. (1977). Cucumber mosaic virus associated RN A 5. I. Role of host plant and helper strain in determining amount of associated RN A 5 with virions. Viro180, 186-95. Kaper, J. M. and Waterworth, H.

1 Electron micrographs of various types of virus particles. (a) Beet stunt virus (closterovirus group), magnification bar = 100 nm; (b) tobacco rattle virus (tobravirus group), magnification bar = 100 nm; (e) cucumber mosaic virus (cucumovirus group), magnification bar = 40 nm; (d) tobacco ringspot virus (nepovirus group), magnification bar = 40 nm; (e) alfalfa mosaic virus, showing particles of different lengths, magnification bar = 35 nm; (f) turnip mosaic virus (potyvirus group), magnification bar = 100 nm; (g) lettuce necrotic yellows virus (rhabdovirus group), magnification bar = 100 nm; (h) African cassava virus (geminivirus group), magnification bar = 50 nm.

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