Articles
SURVEY ON DISEASES OF POMEGRANATE IN NORTHERN KARNATAKA, INDIA
Article number
890_71
Pages
509 – 511
Language
English
Abstract
Pomegranate (Punica granatum L.) is one of the important fruit crops in northern Karnataka.
To understand the disease situation in the region, a roving survey was conducted during Mriga and Hasta Bahar (August to January) of 2008-2009 in major pomegranate growing areas of north Karnataka viz., Bagalkot, Bijapur, Belgaum, Bellary, Gadag and Koppal districts.
Plantations of at least three years and above were selected for survey.
Five major and two minor diseases were observed, they were bacterial blight, wilt, anthracnose, Alternaria, root knot, scab and fruit rot.
Assessment of bacterial blight was made based on leaf infection, stem cankers and fruit infections.
Finally severity of the disease on a tree was calculated.
Bacterial blight appeared to be in severe form in all the pomegranate growing areas, which ranged from 0.67-94.80% of severity on a tree.
The disease was very severe in Bagalkot district with an average severity value of 74.08%. The least average severity (6.73%) was observed in Bellary district.
Wilt was noticed in a range of 0.1-33.3%. The higher percent wilt incidence of 7.59 was observed in Bellary district. anthracnose was recorded in the range of 15-25%, Alternaria 2-15%, root knot 2-15%, scab 1-5%, fruit rot 5-15% and Cercospora were also recorded in the range of 1-2%.
To understand the disease situation in the region, a roving survey was conducted during Mriga and Hasta Bahar (August to January) of 2008-2009 in major pomegranate growing areas of north Karnataka viz., Bagalkot, Bijapur, Belgaum, Bellary, Gadag and Koppal districts.
Plantations of at least three years and above were selected for survey.
Five major and two minor diseases were observed, they were bacterial blight, wilt, anthracnose, Alternaria, root knot, scab and fruit rot.
Assessment of bacterial blight was made based on leaf infection, stem cankers and fruit infections.
Finally severity of the disease on a tree was calculated.
Bacterial blight appeared to be in severe form in all the pomegranate growing areas, which ranged from 0.67-94.80% of severity on a tree.
The disease was very severe in Bagalkot district with an average severity value of 74.08%. The least average severity (6.73%) was observed in Bellary district.
Wilt was noticed in a range of 0.1-33.3%. The higher percent wilt incidence of 7.59 was observed in Bellary district. anthracnose was recorded in the range of 15-25%, Alternaria 2-15%, root knot 2-15%, scab 1-5%, fruit rot 5-15% and Cercospora were also recorded in the range of 1-2%.
Publication
Authors
V.I. Benagi, M.R. Ravi Kumar, S.B. Gowdar, Basvaraj B. Pawar
Keywords
Punica granatum, bacterial blight, wilt, anthracnose, Alternaria, root knot, scab, fruit rot
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