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Molecular and Cultural Characterisation of Alternaria brassicae Infecting Cauliflower in Uttar Pradesh, India

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Title Molecular and Cultural Characterisation of Alternaria brassicae Infecting Cauliflower in Uttar Pradesh, India
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Creator Sujoy Saha, Ruchi Garg, V. Venkataravanappa, P. K. Mishra, A. B. Rai and R. P. Singh
 
Subject Characterization Alternaria brassicae Cauliflower
 
Description Not Available
The Alternaria blight or leaf blight (Alternaria
brassicae) causes severe damage to cauliflower at curd
formation and seed setting stage. Roving survey revealed
that the disease incidence on cauliflower in different
farmer’s fields ranged from 10 to 40 % with an average
incidence of 20 % in Uttar Pradesh. Twenty-three (23)
isolates of A. brassicae were collected from different cultivars
in Uttar Pradesh and characterized for cultural,
morphological, pathogenic and molecular variations. Based
on the pathogenicity, isolates of A. brassicae were rated as
virulent or less virulent based on the percentage disease
incidence on cv. Hajipur local. Most of the isolates showed
smooth mycelial growth with circular, irregular margin and
without concentric zonation. The colony colour is white,
dark brown to light brown and pinkish in white. Significant
morphological variations in conidial length, conidial width,
and number of horizontal septa were observed in all the
isolates. The maximum length of conidia ranged from 150
to 122 lm with 8 to 9 transverse and 2 vertical septation.
Not Available
 
Date 2021-07-27T06:24:03Z
2021-07-27T06:24:03Z
2014-11-24
 
Type Research Paper
 
Identifier Sujoy Saha, Ruchi Garg, V. Venkataravanappa, P. K. Mishra, A. B. Rai and R. P. Singh(2014) Molecular and Cultural Characterisation of Alternaria brassicae Infecting Cauliflower in Uttar Pradesh, India Proc. Natl. Acad. Sci., India, Sect. B Biol. Sci
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http://krishi.icar.gov.in/jspui/handle/123456789/50231
 
Language English
 
Relation Not Available;
 
Publisher Published Online 08 January 2015