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Management of bacterial canker disease through antagonists

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Title Management of bacterial canker disease through antagonists
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Creator R. Kishun
D. Mishra
R. A. Ram
A. K. Verma
 
Subject Xanthomonas campestris pv mangiferaeindicae, antagonist, MBCD, management
 
Description Not Available
Experiment was conducted to find out the potent antagonist isolated from various sources for management of mango bacterial canker disease (MBCD) caused by Xanthomonas campestris pv. Mangiferaeindicae (Xcmi). Calotropis sp, Lantana sp., and Ricinus communis leaf based organic liquid pesticides along with one commercial preparation (NPV) were evaluated Xcmi in vitro and showed inhibitory ( + ) effect. Further 16 bacterial isolate isolated from these organic pesticides of which 5 were found inhibitory ( + ) against Xcmi. Apart from these in vitro evaluated bacterial antagonists, LSF-8 (mango fruit surface), Bc (mango phyllopane), BDB-1, BDB- 2 and BDB -3 (leaf based organic pesticides)found effective in vitro earlier were tested under field condition for the management of MBCD. These host bacterium (xcmi). All the five antagonists and antibiotic, Streptocycline were applied pre, post and simultaneous (mixed) sprays with host bacterium (Xcmi). All the 5 antagonist and antibiotics were found significantly superior over control (63.63-74.35%) in reducing MBCD (0.00-58.82%) in all the 3 years of testing. Among the 3 methods, post application of antagonists followed by mix ones was found best in checking the disease with disease incidence ranging from 0.00 to 26 per cent. In a preliminary trial, all the 5 antagonists and antibiotics were also found significantly superior over control (58.92%) in reducing MBCD (22.39-35.10%) at its hot spot. The result of present investigation clearly indicates that the antagonistic bacterial organisms exist in different environment which could be purified and exploited in bio-control of MBCD, an important disease of mango.
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Date 2021-08-10T09:46:00Z
2021-08-10T09:46:00Z
2006-01-01
 
Type Article
 
Identifier R. Kishun, D. Mishra, R. A. Ram and A. K. Verma (2006). Management of bacterial canker disease through antagonists. Journal Eco-friendly Agriculture 1 (1): 54-56.
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http://krishi.icar.gov.in/jspui/handle/123456789/54233
 
Language English
 
Relation Not Available;
 
Publisher Doctor's Agriculture and Horticultural Development Society