Indian Forester

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Collar Rot in Azadirachta indica and its Control


     

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During surveillance of nursery diseases a seedling disease causing collar rot in Azadirachta indica caused by Fusarium semitectum was recorded for the first time from Satyanarain nursery at Dehra Dun causing 3 to 66 per cent mortality in 2 to 3 months old seedlings. Pathogenicity of fungus was tested and effect of different fungicides was tested on the growth of the pathogen in vitro. Ziram and Bavistin were found most effective in checking the pathogen.
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Kamla Uniyal


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  • Collar Rot in Azadirachta indica and its Control

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Abstract


During surveillance of nursery diseases a seedling disease causing collar rot in Azadirachta indica caused by Fusarium semitectum was recorded for the first time from Satyanarain nursery at Dehra Dun causing 3 to 66 per cent mortality in 2 to 3 months old seedlings. Pathogenicity of fungus was tested and effect of different fungicides was tested on the growth of the pathogen in vitro. Ziram and Bavistin were found most effective in checking the pathogen.