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Integrated Management of Bacterial Wilt of Ginger Incited by Ralstonia solanacearum


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1 Krishi Vigyan Kendra, Karauli (Rajasthan), India
     

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An experiment was conducted to find out the integrated management of Ralstonia solanacearum infecting ginger. Two antibiotics, two biocontrol agents, one phytoextract and one organic amendment and their combination were used. The average reduction in pre emergence seed rot and post emergence seedling mortality recorded with all the treatments tested were ranged from 16.50 to 80.39 per cent over untreated. However, significantly highest reduction in average preemergence seed rot and post- emergence seedling mortality was recorded with streptocycline + P. fluorescens (80.39%). This was followed by streptocycline + karanj cake (72.31%), streptocycline + T. viride (69.55%), streptocycline (58.68%), karanj cake + A. sativum (48.49%), P. fluorescens (44.94%), karanj cake (36.79%). Whereas, T. viride, A. sativum and gentamycin were found least effective with comparatively minimum reduction in average mortality, 26.94, 20.94 and 16.50 per cent, respectively. Of the treatments tested, significantly highest ischolar_main length (8.60 cm), shoot length (18.43 cm) and vigour index (2342.69) were recorded with streptocycline + P. fluorescens.

Keywords

Mortality, Ralstonia solanacearum, Zingiber officinale, Integrated Management.
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  • Integrated Management of Bacterial Wilt of Ginger Incited by Ralstonia solanacearum

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Authors

Roop Singh
Krishi Vigyan Kendra, Karauli (Rajasthan), India

Abstract


An experiment was conducted to find out the integrated management of Ralstonia solanacearum infecting ginger. Two antibiotics, two biocontrol agents, one phytoextract and one organic amendment and their combination were used. The average reduction in pre emergence seed rot and post emergence seedling mortality recorded with all the treatments tested were ranged from 16.50 to 80.39 per cent over untreated. However, significantly highest reduction in average preemergence seed rot and post- emergence seedling mortality was recorded with streptocycline + P. fluorescens (80.39%). This was followed by streptocycline + karanj cake (72.31%), streptocycline + T. viride (69.55%), streptocycline (58.68%), karanj cake + A. sativum (48.49%), P. fluorescens (44.94%), karanj cake (36.79%). Whereas, T. viride, A. sativum and gentamycin were found least effective with comparatively minimum reduction in average mortality, 26.94, 20.94 and 16.50 per cent, respectively. Of the treatments tested, significantly highest ischolar_main length (8.60 cm), shoot length (18.43 cm) and vigour index (2342.69) were recorded with streptocycline + P. fluorescens.

Keywords


Mortality, Ralstonia solanacearum, Zingiber officinale, Integrated Management.

References