Varietal Screening of Wheat against Blast Disease

Main Article Content

Mahmuda Akter Bhuiyan
A. H. M. Mahfuzul Haque
Md. Monirul Islam
Gazi Tamiz Uddin

Abstract

The study was conducted to evaluate the effects of different wheat varieties against blast disease and to observe the status of seed health of collected wheat varieties. The study was carried out under experimental field and laboratory condition at the Plant Pathology and Seed Science Department, Sylhet Agricultural University, Sylhet during October to March (2016-2017). The seeds collected from the Regional Agricultural Research Station, Jessore including ten different varieties, viz., BARI Gom19, BARI Gom22, BARI Gom23, BARI Gom24, BARI Gom25, BARI Gom26, BARI Gom27, BARI Gom28, BARI Gom29, BARI Gom30 were used in both laboratory and field conditions. In the laboratory, different fungal pathogens like Fusarium oxysporum, Bipolaris sorokiniana, Aspergillus sp., Alternaria sp., Rhizophus sp., Curvularia sp. and Magnaporthe oryzae Triticum were detected using a standard blotter method. In the field, it was found that BARI Gom28 was moderately resistant against blast. It had the lowest disease incidence (21.66%), lowest severity (30%) and also highest result in term of grain yield (5.5 t ha-1). The highest blast disease incidence (66.67%), highest severities (78.33%) and lowest grain yield (1.6 t ha-1) were found in BARI Gom26.

Keywords:
Wheat, blast disease, ten varieties, seed borne pathogen, seed health status

Article Details

How to Cite
Bhuiyan, M., Haque, A. H. M., Islam, M., & Uddin, G. (2019). Varietal Screening of Wheat against Blast Disease. Asian Journal of Research in Crop Science, 4(2), 1-12. https://doi.org/10.9734/ajrcs/2019/v4i230069
Section
Original Research Article

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