Studies on Leaf Spot Disease of Croton - Codiaeum variegatum L. Blume

by Ewekeye, Tolulope
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Ewekeye, Tolulope Studies on Leaf Spot Disease of Croton - Codiaeum variegatum L. Blume
Ewekeye, Tolulope - Studies on Leaf Spot Disease of Croton - Codiaeum variegatum L. Blume

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Description

Six locations were surveyed for the incidence and severity of leaf spot disease of croton. Four different fungi; Rhizopus sp., Aspergillus niger, Fusarium sp. and Botryodiplodia theobromae were isolated from the diseased leaves. Fusarium sp. and B. theobromae were found to be causal pathogens of the leaf spot disease. Three Trichoderma species namely; T. viride, T. harzianum and T. longibrachianum were tested as potential antagonists of the causal organisms and were found to inhibit the growth of the pathogens when paired in-vitro. The pairing was done simultaneously, antagonist before pathogen and pathogen before antagonist. Statistical analysis of the result showed that the effect of the three antagonists is significant as well as the effect of the treatment(timing of inoculation). The effect of the pathogens on the antagonists is insignificant. The mode of antagonism was found to be by competition for space, antibiosis and mycoparasitism.

Contributors

Author:
Ewekeye, Tolulope

Further information

Media Type:
Softcover
Publisher:
LAP Lambert Academic Publishing
Biography Artist:
Tolulope Ewekeye holds a Masters of Science Degree in Plant Pathology (Mycology). His research interests center on Biological control and plant-pathogen interactions. He is a University Lecturer and a Researcher.
Language:
English
Number of Pages:
60

Master Data

Product Type:
Paperback book
Release date:
14 March 2012
Package Dimensions:
0.216 x 0.148 x 0.004 m; 0.114 kg
GTIN:
09783848431205
DUIN:
VVD75DAAM9V
£40.99
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