Identification of partial resistant genotypes of Indian mustard against Alternaria brassicicola under late sown condition in Bihar
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Authors
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Matlooba Naseem
Department of Plant Pathology, Bihar Agricultural University, Sabour, Bhagalpur 813210, India
Author
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Chanda Kushwaha
Department of Plant Pathology, Bihar Agricultural University, Sabour, Bhagalpur 813210, India
Author
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Abhijeet Ghatak
Department of Plant Pathology, Bihar Agricultural University, Sabour, Bhagalpur 813210, India
Author
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JN Srivastava
Department of Plant Pathology, Bihar Agricultural University, Sabour, Bhagalpur 813210, India
Author
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Chandan Kishore
Department of Plant Breeding and Genetics, Bihar Agricultural University, Sabour, Bhagalpur 813210, India
Author
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Saurabh Bharti
Department of Plant Pathology, Bihar Agricultural University, Sabour, Bhagalpur 813210, India
Author
Keywords:
Alternaria blight, AUDPC, mustard genotypes, partial resistant, PDIAbstract
The present investigation was undertaken to identify the partial resistant sources to Alternaria blight (Alternaria
brassicicola) in Indian mustard under late sown environmental conditions. Fifteen genotypes of Indian mustard were
evaluated in split plot design under artificial inoculation at four different dates of sowing during Rabi season, 2019-20
(12th Nov, 19th Nov, 26th Nov and 3rd Dec). The data obtained from study show the significant effect of date of sowing on
percent disease index and area under disease progress curve (AUDPC) under late sown condition due to early onset of
diseases at early growth stages coupled with warmer environmental condition. Among different genotypes of Indian
mustard, BRRM-101, BRRM-102, BRRM-103, BRRM-104, BRRM-106 line shows less percent disease index as well as
area under the disease progress curve.
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