Download or read book Peronospora Tabacina Adam the Organism Causing Blue Mold downy Mildew Disease of Tobacco written by Edward Eastman Clayton and published by . This book was released on 1943 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Peronospora Tabacina Adam the Organism Causing Blue Mold downy Mildew Disease of Tobacco written by John Albert Stevenson and published by . This book was released on 1943 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Blue Mold of Tobacco written by W. E. McKeen and published by American Phytopathological Society. This book was released on 1989 with total page 312 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is a comprehensive treatment of blue mold and the blue mold pathogen, Peronospora hyoscyami.
Download or read book Population Biology and Detection of the Tobacco Blue Mold Pathogen Peronospora Tabacina written by and published by . This book was released on 2004 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Peronospora tabacina Adam. is the causal agent of blue mold or downy mildew of tobacco. The pathogen is a fungus-like organism and is a member of the Oomycota. P. tabacina is an obligate parasite restricted to the genus Nicotiana spp. Identification of the pathogen is difficult since symptoms and signs generally occur 6-12 days post inoculation. The spread of the pathogen occurs through aerial long distance dispersal of inoculum and severe epidemics occur yearly in tobacco growing areas of the world. One objective of this work was to develop a real-time Taq Man assay for the detection and quantification of P. tabacina. Optimization of the assay was established at a final concentration of 450nM of primers and 125nM of probe. The assay was useful for detection of the pathogen down to a lower limit of 1fg of DNA. The pathogen could be detected after 4 days post inoculation. The real-time PCR assay was useful for the specific detection of P. tabacina in field samples, artificially inoculated leaves, roots, and systemically infected tobacco seedlings and could be used as a tool for regulatory agencies interested in the detection of the pathogen. A second objective was to examine the genetic structure of the pathogen in North America, Central America, the Caribbean and Europe and determine the direction of migration of the pathogen. The intergenic spacer Igs2 region of the nuclear ribosomal DNA (rDNA) and the Ras-related protein (Ypt1) gene, and the mitochondrial cytochrome c oxidase subunit 2 (cox2 gene) were used. Populations of P. tabacina were characterized by high nuclear diversity, low population division and a possible mixed sexual and asexual reproductive system. Large population size, the mechanism of dispersal, mutation rate and genetic diversity indicate that this pathogen is a high evolutionary risk plant pathogen. An isolation with migration (IM) model was used to study genetic diversity in the U.S./Central America and the Caribbean (CCAM) and the European su.
Download or read book Blue Mold downy Mildew Disease of Tobacco written by Edward E. Clayton and published by . This book was released on 1939 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Blue Mold downy Mildew Disease of Tobacco written by Edward E. Clayton and published by . This book was released on 1938 with total page 16 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book A Study of Blue Mould Peronospora Tabacina Adam of Tobacco in Victoria written by Richard Gordon Paddick and published by . This book was released on 1970 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book MOHO AZUL DEL TABACO Peronospora tabacina Adam una bibliograpfia parcialmente anotada written by and published by Bib. Orton IICA / CATIE. This book was released on with total page 130 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book The Plant Disease Reporter written by and published by . This book was released on 1957 with total page 334 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book The Plant Disease Bulletin written by and published by . This book was released on 1957 with total page 348 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Moho azul del tabaco Personospora tabacina Adam Una bibliograf a parcialmente anotada written by Carmen Martin de Acun̄a and published by IICA Biblioteca Venezuela. This book was released on 1982 with total page 130 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Tobacco Diseases and Decays written by Frederick Adolph Wolf and published by . This book was released on 1957 with total page 442 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Technical Bulletin written by and published by . This book was released on 1979 with total page 132 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Experimental and Conceptual Plant Pathology written by R. S. Singh and published by CRC Press. This book was released on 1988 with total page 352 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Phytopathology written by and published by . This book was released on 1959 with total page 996 pages. Available in PDF, EPUB and Kindle. Book excerpt: Some issues accompanied by lists of members of the society.
Download or read book Pesticides Documentation Bulletin written by and published by . This book was released on 1965 with total page 1210 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book The Nature of Disease in Plants written by Robert P. Scheffer and published by Cambridge University Press. This book was released on 1997-01-28 with total page 342 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is about how plants get diseases, from the origins and evolution of parasites to how the great plant epidemics developed. The basic premise of the book is that the conditions favouring disease are inherent in agriculture and that diseases become destructive because of human activities. It also deals with how people have dealt with plant diseases in history. Included in the book are the natural histories of some of the most damaging plant diseases, worldwide, with discussions of why each became destructive. Diseases are grouped according to the most significant factors in the development of epidemics: in every case this is due to a human factor. Discussion of each model disease proceeds from observable facts to more complex concepts; thus, the reader with little knowledge of plant pathology should find the book easily understandable.
