Bookcover of A Biological Comparison of Discula destructiva Isolates
Booktitle:

A Biological Comparison of Discula destructiva Isolates

From Four Geographic Areas

LAP LAMBERT Academic Publishing (2010-09-15 )

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ISBN-13:

978-3-8383-3343-4

ISBN-10:
3838333438
EAN:
9783838333434
Book language:
English
Blurb/Shorttext:
Since dogwood anthracnose is a relatively recent disease on eastern flowering dogwood, this paper addresses questions concerning isolate variability of the fungal pathogen. In order to answer these questions, leaf and twig isolates from Discula destructive, the causal agent of dogwood anthracnose, were taken from four geographic locations in West Virginia and Pennsylvania. Morphological variation was determined by measuring isolate diameter and concentric zonation patterns in culture. When isolates were paired, vegetative compatibility was determined by the presence or absence of a barrage on solid media. The presence of double-stranded RNA in the tissues of the fungal pathogen, has been associated with decreased virulence. Using gel-electrophoresis, the banding pattern of these nucleic acids were visualized. A final assay using dogwood leaves employed inoculation of the pathogen to determine whether the different isolates were able to invade dogwood tissue and to what extent infection occured.
Publishing house:
LAP LAMBERT Academic Publishing
Website:
https://www.lap-publishing.com/
By (author) :
Patricia Gundrum
Number of pages:
96
Published on:
2010-09-15
Stock:
Available
Category:
Botany
Price:
49.00 €
Keywords:
Cornus florida, dogwood anthracnose, isolate variability

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