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Vol. 6, Issue 11 (2017)

Development of a new chitin based bio-formulation of Pseudomonas fluorescens and a natural insecticide (Vitex trifolia) against Indian Tomato Leaf Curl Virus (iTLCV) and its whitefly vector

Author(s):
Vasanthi VJ, Samiyappan R and Vetrivel T
Abstract:

The present study focused on different methods of application of talc based powder formulation of Pseudomonas fluorescens strains and strain mixtures with chitin to seed, soil and foliage or as a seedling dip followed by two foliar sprays of 2% leaf extract of Vitex trifolia (Natural insecticide), which significantly reduced whitefly vector nymphs and adults and also reduced the incidence of iTLCV in tomato plants both in glasshouse and field conditions. Further there was an increase in growth promotion in PGPR tomato plants. DAS ELISA tests showed low concentration of viral antigen in PGPR treated tomato leaves and also in nymphs and adult whiteflies. An ecofriendly approach to manage the viral disease and optimization of tomato yield has been initiated.
Pages: 574-578  |  491 Views  6 Downloads
How to cite this article:
Vasanthi VJ, Samiyappan R, Vetrivel T. Development of a new chitin based bio-formulation of Pseudomonas fluorescens and a natural insecticide (Vitex trifolia) against Indian Tomato Leaf Curl Virus (iTLCV) and its whitefly vector. Pharma Innovation 2017;6(11):574-578.
The Pharma Innovation Journal