alexa In vitro Characterization of Trichoderma viride for Abiotic Stress Tolerance and Field Evaluation against Root Rot Disease in Vigna mungo L. Leo Daniel

Journal of Agricultural Science and Food Research
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Research Article

In vitro Characterization of Trichoderma viride for Abiotic Stress Tolerance and Field Evaluation against Root Rot Disease in Vigna mungo L. Leo Daniel

Leo Daniel Amalraj E*, Praveen Kumar G, Suseelendra Desai and Mir Hassan Ahmed SK

Division of Crop Sciences, Central Research Institute for Dryland Agriculture, Santoshnagar, Hyderabad-500059, Andhra Pradesh, India

*Corresponding Author:
Dr. Leo Daniel Amalraj E
Division of Crop Sciences
Central Research Institute for Dryland Agriculture
Santoshnagar, Hyderabad-500059, Andhra Pradesh, India
E-mail: [email protected]

Received date: September 07, 2011; Accepted date: October 12, 2011; Published date: October 28, 2011

Citation: Leo Daniel AE, Praveen Kumar G, Desai S, Mir Hassan ASK (2011) In vitro Characterization of Trichoderma viride for Abiotic Stress Tolerance and Field Evaluation against Root Rot Disease in Vigna mungo L. J Biofertil Biopestici 2:111. doi:10.4172/2155-6202.1000111

Copyright: © 2011 Leo Daniel AE, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

Abstract

Soil-borne phytopathogenic fungi pose serious threats to yield of several crops. Biological control is an ecofriendly approach in the effective management of crop diseases. Trichoderma viride is an important soil-borne fungus, which play an important role in antagonism by secretion of different hydrolytic enzymes. Black gram is an important pulse crop world-wide and its yield is severely affected by Macrophomina root rot. Abiotic stresses greatly influence the performance of biocontrol agents. T. viride was evaluated for its In vitro abiotic stress tolerance ability and its field bioefficacy against root rot disease in blackgram. Growth of T. viride decreased with increasing in salinity, temperature and drought. T. viride effectively inhibited the growth of R. solani (45%) and M. phaseolina (40%) under In vitro conditions. T. viride was compatible with 0.25% mancozeb, 1.0% copper oxy chloride and metalaxyl. Among three doses, plants treated with 6 g.kg-1 of T. viride showed highest yield of 1375 kg.ha-1 and lowest root rot incidence of 14.77% which were statistically on par with 4 g.kg-1 T. viride treated plants. To conclude, this study identified an abiotic stress tolerant T. viride for effective management of root rot disease and enhanced yield of Vigna mungo when applied as seed dresser at a concentration of 4g kg-1 under field conditions.

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