Biological Control of Narrow Brown Leaf Spot and Leaf Smut Disease in Paddy Crops by Some Antagonistic Fungi

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Basobi Mukherjee
Basobi Mukherjee
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N.Uma Maheswari
N.Uma Maheswari

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Biological Control of Narrow Brown Leaf Spot and Leaf Smut Disease in Paddy Crops by Some Antagonistic Fungi

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Abstract

Rice is one of the most important crops worldwide. Fungal diseases in rice plants are raising concerns both in the field of research and production. Therefore, there is a definite requirement to find their control measures. In this study, an attempt was made to address the raised concerns by biologically controlling two of the least discussed diseases of the rice plants. An experiment to test potential of soil fungi as antagonists after treatment against the isolated fungal pathogens, Cercospora janseana and Entyloma oryzae was performed. In the present study, isolation of fungal plant pathogens were done from the infected plant collected from the rice field in Cauvery-Delta zone. The infected leaves were surface sterilized. Next, the efficiency of fungal isolates (ten) against Cercospora janseana and Entyloma oryzae were tested using dual culture method under in-vitro conditions. The culture filtrate test was performed to observe the maximum zone of inhibition at a particular concentration by the ten antagonistic fungi. Chemical fungicides like Carbendazim and Mancozeb were also tested using disc diffusion method. This test helped in comparison of the effects of biological control agents (antagonistic fungi) and chemical control agents (chemical fungicides). Results revealed that Trichoderma viride was found to be most effective as a biological control agent in all the tests when compared to other fungal species.

References

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Funding

No external funding was declared for this work.

Conflict of Interest

The authors declare no conflict of interest.

Ethical Approval

No ethics committee approval was required for this article type.

Data Availability

Not applicable for this article.

How to Cite This Article

Basobi Mukherjee. 2018. \u201cBiological Control of Narrow Brown Leaf Spot and Leaf Smut Disease in Paddy Crops by Some Antagonistic Fungi\u201d. Global Journal of Medical Research - K: Interdisciplinary GJMR-K Volume 18 (GJMR Volume 18 Issue K2): .

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Journal Specifications

Crossref Journal DOI 10.17406/gjmra

Print ISSN 0975-5888

e-ISSN 2249-4618

Keywords
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GJMR-K Classification: NLMC Code: QW 4
Version of record

v1.2

Issue date

April 30, 2018

Language
en
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Published Article

Rice is one of the most important crops worldwide. Fungal diseases in rice plants are raising concerns both in the field of research and production. Therefore, there is a definite requirement to find their control measures. In this study, an attempt was made to address the raised concerns by biologically controlling two of the least discussed diseases of the rice plants. An experiment to test potential of soil fungi as antagonists after treatment against the isolated fungal pathogens, Cercospora janseana and Entyloma oryzae was performed. In the present study, isolation of fungal plant pathogens were done from the infected plant collected from the rice field in Cauvery-Delta zone. The infected leaves were surface sterilized. Next, the efficiency of fungal isolates (ten) against Cercospora janseana and Entyloma oryzae were tested using dual culture method under in-vitro conditions. The culture filtrate test was performed to observe the maximum zone of inhibition at a particular concentration by the ten antagonistic fungi. Chemical fungicides like Carbendazim and Mancozeb were also tested using disc diffusion method. This test helped in comparison of the effects of biological control agents (antagonistic fungi) and chemical control agents (chemical fungicides). Results revealed that Trichoderma viride was found to be most effective as a biological control agent in all the tests when compared to other fungal species.

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Biological Control of Narrow Brown Leaf Spot and Leaf Smut Disease in Paddy Crops by Some Antagonistic Fungi

Basobi Mukherjee
Basobi Mukherjee
N.Uma Maheswari
N.Uma Maheswari

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