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Article

Comparative Management Studies on Banded Leaf and Sheath Blight of Maize Caused by Rhizoctonia Solani F.SP. Sasakii

1Maize Research Station, Tamil Nadu Agricultural University, Vagarai-624613

2Directorate of student’s Welfare, Tamil Nadu Agricultural University, Coimbatore-641003


Applied Ecology and Environmental Sciences. 2021, Vol. 9 No. 1, 53-57
DOI: 10.12691/aees-9-1-7
Copyright © 2020 Science and Education Publishing

Cite this paper:
Radhajeyalakshmi Raju, Sethuraman Kandhasamy, Lakshmi Narayanan Subramanian, Arivudai Nambi Marisamy. Comparative Management Studies on Banded Leaf and Sheath Blight of Maize Caused by Rhizoctonia Solani F.SP. Sasakii. Applied Ecology and Environmental Sciences. 2021; 9(1):53-57. doi: 10.12691/aees-9-1-7.

Correspondence to: Radhajeyalakshmi  Raju, Maize Research Station, Tamil Nadu Agricultural University, Vagarai-624613. Email: radhajeyalakshmi@hotmail.com

Abstract

Bioassay of biocontrol agents and fungicides against Maize Banded Leaf and Sheath Blight caused by Rhizoctonia solani showed inhibition. Among the biocontrol agents, Bacillus subtilis and among the fungicides Hexaconazole was found to be effective under field conditions with the percent disease incidence of 2.25% and 3.00% respectively over control 10.45%. Seed treatment (4g/kg) and soil application (2.5kg/ha) of Bacillus subtilis recorded 78.46% reduction in sheath blight incidence and highest grain yield of 6.7t/ha. Foliar spraying of Hexaconazole (0.2%) showed 71.30% reduction and grain yield of 6.4t/ha. Hence, seed treatment and soil application of Bacillus subtilis is considered to be effective against BLSB under field condition. Seed treatment and soil application of Bacillus subtilis, Foliar spraying of Hexaconazole may be recommended for Banded Leaf and Sheath Blight of Maize.

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