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Jonathan, E. I.
- Field Efficacy of Biocontrol Agents for the Management of Root Knot Nematode Meloidogyne incognita (Kofoid&White) Chitw. and Reniform Nematode Rotylenchulus reniformis (Linford&Oliviera) in Tomato
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PDF Views:114
Authors
Affiliations
1 Department of Nematology, Tamil Nadu Agricultural University, Coimbatore 641 003, Tamil Nadu, IN
2 Department of Plant Pathology, Tamil Nadu Agricultural University, Coimbatore 641 003, Tamil Nadu, IN
1 Department of Nematology, Tamil Nadu Agricultural University, Coimbatore 641 003, Tamil Nadu, IN
2 Department of Plant Pathology, Tamil Nadu Agricultural University, Coimbatore 641 003, Tamil Nadu, IN
Source
Journal of Biological Control, Vol 23, No 3 (2009), Pagination: 311-316Abstract
Two field experiments were conducted with tomato Hybrid 5005 at Kuttathottam and Theethipalayam villages of Coimbatore district to investigate the potential of two promising native isolates of plant growth promoting rhizobacteria (PGPR), viz., Pseudomonas fluorescens (Pfbv22) and Bacillus subtilis (Bbv57) for the management of ischolar_main knot nematode Meloidogyne incognita and reniform nematode Rotylenchulus reniformis in tomato. The biocontrol agents were compared with the standard chemical viz., carbofuran. Consortium application of P. fluorescens (Pfbv22) and B. subtilis (Bbv57) as seed treatment each @ 5 g kg-1 seeds and soil application (SA) @ 1.25 kg ha-1 significantly reduced the nematode infestation in soil and ischolar_main. The microbial consortium treatment also significantly enhanced the plant growth parameters such as plant height, shoot weight, ischolar_main length, ischolar_main weight and fruit yield.Keywords
Bacillus subtilis, Biological Control, Lycopersicon esculentum, Meloidogyne incognita, Pseudomonas fluorescens, Rotylenchulus reniformis.Full Text
References
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- Field Application of Pseudomonas fluorescens, Bacillus subtilis and Trichoderma viride for the Control of Meloidogyne incognita (kofoid and White) Chitwood on Sugarbeet
Abstract Views :310 |
PDF Views:152
Authors
Affiliations
1 Department of Nematology, Tamil Nadu Agricultural University, Coimbatore - 641003, Tamil Nadu, IN
1 Department of Nematology, Tamil Nadu Agricultural University, Coimbatore - 641003, Tamil Nadu, IN
Source
Journal of Biological Control, Vol 21, No 2 (2007), Pagination: 211-215Abstract
Field experiments were conducted to assess the efficacy of Pseudomonas fluorescens, Bacillus subtilis and Trichoderma viride against the ischolar_main knot nematode, Meloidogyne incognita (Kofoid and White) Chitwood infesting tropical sugarbeet cv. Indus. The biocontrol agents were applied at 2.5 kg/ha and compared with carbofuran (1 kg a. i./ha), There was a significant increase in the plant growth parameters and decrease in nematode population in all the treatments compared to control. Among the biocontrol agents tested, P. fluorescens recorded significantly higher growth parameters and lower nematode population and was as effective as carbofuran. Induction of defence enzymes, viz., peroxidase, polyphenol oxidase and phenylalanine ammonia lyase, was studied in all the treatments. Enzyme activity was significantly higher in P. fluorescens treated plants, followed by T. viride and B. subtilis.Keywords
Bacillus subtilis, Meloidogyne incognita, Pseudomonas fluorescens, Sugarbeet, Trichoderma viride.Full Text