Applied and Natural Science Foundation
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Journal of Applied and Natural Science
An International Journal | Print ISSN: 0974-9411 | Online ISSN: 2231-5209
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Abstract
Journal of Applied and Natural Science 7 (2): 1012-1015 (2015)
Bioefficacy of Bacillus subtilis against root knot nematode Meloidogyne incognita (Kofoid and White) Chitwood in tomato
Subhalaxmi Roy1 Arun Rathod2* Aniruddha Pramanik3
1Department of Agricultural Entomology OUAT Bhubneshwar-751003, (Odisha), INDIA
2*Department of Agricultural Entomology BCKV, Mohanpur-741252, (West Bengal), INDIA
3AICRP on Plant Parasitic Nematodes, Directorate of Research BCKV, Kalyani-741235, (West Bengal), INDIA
*Corresponding author. E-mail: aryan11187@gmail.com
Abstract : An investigation was conducted for the management of root knot nematode Meloidogyne incognita (Kofoid and White) Chitwood infesting tomato through the application of bio-control agent like Bacillus subtilis, Trichoderma harzianum and Pseudomonas fluorescens. Experiment result revealed that minimum no. of galls/25seedlings (17.50) and maximum seedling height (27.6cm) were observed in Bacillus subtilis @50g/m2 in nursery bed + B. subtilis@ 5kg along with 2.5 tons of FYM/ ha. The highest weight/25seedlings (69.50g) was noticed in the B. subtilis@50g/m2 in nursery bed + B. subtilis2.5kg along with 2.5 tons of FYM/ha. The highest growth of the plant at 45 DAT (49.2cm) and at harvest (81.2cm) and maximum fresh (711.3g) and dry weight (265g) was found in B. subtilis @50g/m2 in nursery bed + B. subtilis 2.5kg along with 2.5 tons of FYM/ha. B. subtilis @50g/m2 in nursery bed + B. subtilis 2.5kg along with 2.5 tons of FYM/ha exhibited lowest gall index (1.2/plant) and highest reduction of nematode population and provided highest yield of tomato fruits (335.75q/ha).

Keywords :Bacillus subtilis, Meloidogyne incognita, Tomato
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