Variability among Alternaria brassicae and host-pathogen interaction: in Brassica juncea- A. brassicae system

Goyal, Poonam, Mathur, A. P., Chattopadhyay, C.

ISBN 10: 3659196487 / ISBN 13: 9783659196485

Published by LAP LAMBERT Academic Publishing, 2012

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Bibliographic Details

• Title: Variability among Alternaria brassicae and host-pathogen interaction: in Brassica juncea- A. brassicae system
• Publisher: LAP LAMBERT Academic Publishing
• Publication Date: 2012
• Language: English
• ISBN 10: 3659196487
• ISBN 13: 9783659196485
• Binding: Paperback
• Condition: Like New
• Book Type: book

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Synopsis

Analysis of morphological and cultural variability among thirteen isolates of Alternaria brassicae provides information about morphological variation and favorable cultural conditions in vitro when such situations become available under cropping environment, which could result in severe infection of Alternaria blight due to isolates existing in different geographical regions of India. This also reflected the adaptation of the respective isolates to the ambient conditions in the different cropping areas, where the disease occurs in varied proportions in different years, which may have also induced the available cultural variability. This work discusses the possible disease scenario in view of global warming and climate change. Although genetic variability could be found by RAPD, no genetic variability could be located among A. brassicae isolates by ITS-AFLP. So, variability did exist at genomic level but not in the highly conserved region of the genome and pathogenic variability also existed among isolates of A. brassicae from different parts of India where oilseed Brassicas are grown and this information may help in easier development of Alternaria blight resistant Brassica.

About the Author

Dr. P. Goyal, Ph.D. in Botany in 2010, worked as aSenior Research Fellow under Project “Transgenicsin Crops (Brassica Functional Genomics)”.Dr. A.P. Mathur is Associate Professor of Botany in MSJ Government College, Bharatpur.Dr C. Chattopadhyay is Head of Division of Crop Protection at the Indian Institute of Pulses Research (ICAR), Kanpur.