VARIATION IN Colletotrichum capsici (Syd.) Butler and Bisby
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Date
1989
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ACHARYA N.G. RANGA AGRICULTURAL UNIVERSITY, RAJENDRANAGAR, HYDERABAD.
Abstract
Colletotrichum capsici isolated from affected parts
of turmeric and chilli collected from Chinthalapudi area of
Guntur district in A.P. was studied with regard to their
morphological characters and isozymes.
A marked demarcation observed in phialoconidial length
of twq isolates but a slight variation observed with
reference to colony characters. Maximum genetic similarity
observed at 21 days growth period in anionic system and 7
days growth period in cationic system.
The anodal esterase showed maximum interaction
variance which inturn is useful in differentiating the two
isolates. Polyphenoloxidase, peroxidase followed by esterase
and catalase showed maximum diversity at one stage or other,
suggesting that the isolates are of different genetic nature.
Turmeric isolate showed higher concentration of copper
and iron than chilli isolate.
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Keywords
VARIATION, Colletotrichum, capsici, Butler, Bisby