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The Effect Of Soil Factors On The Incidence Ad Severity Of Black Root Rot Of Burley Tobacco Caused By Thielaviopsis Basicola
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Book Synopsis The Effect of Soil Factors on the Incidence Ad Severity of Black Root Rot of Burley Tobacco, Caused by Thielaviopsis Basicola by : Julie Rae Meyer
Download or read book The Effect of Soil Factors on the Incidence Ad Severity of Black Root Rot of Burley Tobacco, Caused by Thielaviopsis Basicola written by Julie Rae Meyer and published by . This book was released on 1990 with total page 160 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Inoculum Pattern and Relationship Between Incidence of Black Root Rot of Tobacco and Inoculum Density of Thielaviopsis Basicola in Field Soil by : Christine Marie Rittenhouse
Download or read book Inoculum Pattern and Relationship Between Incidence of Black Root Rot of Tobacco and Inoculum Density of Thielaviopsis Basicola in Field Soil written by Christine Marie Rittenhouse and published by . This book was released on 1982 with total page 166 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Tobacco Abstracts written by and published by . This book was released on 1992 with total page 1288 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Epidemiology and Management of Root Diseases by : C.Lee Campbell
Download or read book Epidemiology and Management of Root Diseases written by C.Lee Campbell and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 361 pages. Available in PDF, EPUB and Kindle. Book excerpt: Root disease epidemics, because much of the activity takes place in soil and out of sight, pose special challenges to growers who seek to manage them and to scientists who study them. All relevant topics of root disease epidemics and their management are presented: The critical aspects of specific disease components including inoculum, host roots, mycorrhiza and the soil environment are explored. Challenges of disease assessment and the temporal and spatial aspects of epidemic development are considered, and approaches to root disease management including host resistance, chemical, biological and cultural management are discussed in detail. The book fulfills the needs of researchers, teachers, and practitioners of plant pathology.
Book Synopsis Inoculum Densities of Thielaviopsis Basicola in Tobacco Fields in Virginia, and the Relationship of Inoculum Density to the Severity of Black Root Rot and Growth of Tobacco by : Lawrence P. Specht
Download or read book Inoculum Densities of Thielaviopsis Basicola in Tobacco Fields in Virginia, and the Relationship of Inoculum Density to the Severity of Black Root Rot and Growth of Tobacco written by Lawrence P. Specht and published by . This book was released on 1985 with total page 282 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Environmentally Safe Approaches to Crop Disease Control by : Jack E. Rechcigl
Download or read book Environmentally Safe Approaches to Crop Disease Control written by Jack E. Rechcigl and published by CRC Press. This book was released on 2018-01-18 with total page 399 pages. Available in PDF, EPUB and Kindle. Book excerpt: The use of chemicals in agriculture and home gardens has become an area of concern due to improper use and negative environmental effects. Environmentally Safe Approaches to Crop Disease Control addresses alternative approaches for managing crop diseases. It gives a balanced overview of state-of-the-art environmentally safe approaches to crop disease control and discusses the latest trends.
Book Synopsis American Doctoral Dissertations by :
Download or read book American Doctoral Dissertations written by and published by . This book was released on 1989 with total page 760 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Effect of Soil Moisture and Soil Temperature on Black Shank Disease Development in Tobacco by : States M. McCarter
Download or read book Effect of Soil Moisture and Soil Temperature on Black Shank Disease Development in Tobacco written by States M. McCarter and published by . This book was released on 1966 with total page 18 pages. Available in PDF, EPUB and Kindle. Book excerpt: Phytophthora parasitica var. nicotianae, which causes black shank disease, infected susceptible (Burley 21) and resistant (Burley 11B) tobacco plants growing in soil with moisture levels ranging from 19 to nearly 100% of moisture-holding capacity (MHC). Most Burley 21 plants were killed at each of four moisture levels tested, although the disease developed slightly faster when moisture was high. Generally, Burley 11B and 37 (resistant) plants were diseased most severely when moisture was abundant, although a high incidence of the disease occurred in Burley 11B plants when moisture was 19% of MHC. The latter results suggest a relationship between moisture stress and disease severity. Burley 21 seedlings 2 1/2 inches high were killed between 16 and 30 C. Disease development accelerated with increasing temperature in this range. Burley 11B and 37 seedlings of the same age were killed at 28 to 30 C but not at 16 and 20 C, although infection occurred. In studies with older plants, Burley 21 plants in the 3- to 4-leaf and 7- to 8-leaf stages were killed at 24 and 31 C. Some Burley 11B and Burley 37 plants, inoculated in the 3- to 4-leaf stage, were killed at 24 and 31 C. When inoculated in the 7- to 8-leaf stage, some of these plants were killed at 31 but none was killed at 24 C. The optimum temperature for the growth of the fungus on oatmeal agar was 28 to 30 C. (Author).
Book Synopsis The Root-Rot of Tobacco Caused by Thielavia Basicola (Classic Reprint) by : William Williams Gilbert
Download or read book The Root-Rot of Tobacco Caused by Thielavia Basicola (Classic Reprint) written by William Williams Gilbert and published by Forgotten Books. This book was released on 2017-11-19 with total page 70 pages. Available in PDF, EPUB and Kindle. Book excerpt: Excerpt from The Root-Rot of Tobacco Caused by Thielavia Basicola E [feet on roots - In other cases, when conditions do not favor as severe an attack, the roots alone are directly invaded by the fungus and the plants are stunted. If one of the slightly diseased plantlets is very carefully taken up and the adhering soil washed away, it will be noted upon examination that the tips of a number of the rootlets present a brown or black appearance, according to the length of time the fungus has been working. The browning of the tissues is caused by the disintegration of the root by the fungus living in it parasitically and the black color by the subsequent production of Spores. The disease progresses up the roots, both taproot and laterals being attacked, until the entire root system is destroyed, and if such a plant is pulled all the roots break off and remain in the soil, the blackened base of the stem alone showing where the roots were attached. The end of the taproot is most commonly attacked first and then the laterals. (pl. III, fig. 8, B.) AS the root system thus becomes reduced, the plantlet usually puts out numerous lateral roots to take the place of those rendered useless by the disease. These serve to nourish the plantlet for a time, but eventually become diseased and decay. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
Download or read book The Plant Disease Reporter written by and published by . This book was released on 1967 with total page 114 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 1967 with total page 1172 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Effects of I̲l̲e̲x̲ Cultivars, Media and PH on the Incidence of Black Root Rot Caused by Isolates of Thielaviopsis B̲a̲s̲ic̲o̲l̲a̲ (Berk. & Br.) Ferraris by : Lorie Evelyn Merrill
Download or read book Effects of I̲l̲e̲x̲ Cultivars, Media and PH on the Incidence of Black Root Rot Caused by Isolates of Thielaviopsis B̲a̲s̲ic̲o̲l̲a̲ (Berk. & Br.) Ferraris written by Lorie Evelyn Merrill and published by . This book was released on 1982 with total page 104 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Dissertation Abstracts International by :
Download or read book Dissertation Abstracts International written by and published by . This book was released on 1990 with total page 796 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Methylbromide and Its Alternatives as Fumigants, 1979-May 1992 by : Charles N. Bebee
Download or read book Methylbromide and Its Alternatives as Fumigants, 1979-May 1992 written by Charles N. Bebee and published by . This book was released on 1992 with total page 208 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Bibliography of Agriculture written by and published by . This book was released on 1983 with total page 2330 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Bibliography of Agriculture written by and published by . This book was released on 1975 with total page 1922 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Research Branch Report by : Canada. Agriculture Canada. Research Branch
Download or read book Research Branch Report written by Canada. Agriculture Canada. Research Branch and published by . This book was released on 1982 with total page 430 pages. Available in PDF, EPUB and Kindle. Book excerpt:
