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    • Dept. of Plant Pathology
    • Masters Thesis
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    •   HSTUL IR
    • Faculty of Agriculture
    • Dept. of Plant Pathology
    • Masters Thesis
    • View Item
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    STUDY ON INCIDENCE OF SEED-BORNE DISEASES OF WHEAT AND THEIR MANAGEMENT

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    NILANJONA GHOSH Student No. 1605381 Session: 2016-2017 (1.250Mb)
    Date
    2017-12
    Author
    GHOSH, NILANJONA
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    URI
    http://localhost:8080/xmlui/handle/123456789/1514
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    • Masters Thesis
    Abstract
    Wheat is attacked by several fungal pathogens, many of them are seed-borne. The experiment was conducted in the laboratory of department of plant pathology laboratory in Hajee Mohammad Danesh Science and Technology University, Dinajpur to evaluate the incidence of seed borne fungal diseases in addition to the identification of fungi associated with collected wheat seed and the management of the seed-borne fungal pathogen of wheat. Six variety viz. BARI gom 25, BARI gom 26, BARI gom 27, BARI gom 28, BARI gom 29 and BARI gom 30 of three regional station namely Jamalpur, Rajshahi, Dinajpur of BARI were collected. The incidence of black point was highest in BARI gom 26 (18.59%) followed by BARI gom 30 (16.91%), BARI gom 28 (12.37%), BARI gom 27 (10.72%), BARI gom 29 (9.933%) and BARI gom 25 (9.189%). The incidence of black point was recorded highest in Dinajpur region. Bipolaris sp., Alternaria sp., Curvularia sp., Fusarium sp., Aspergillus sp., Penicillium sp., Epicoccum sp., Nigrospora sp., Rhizopus sp., Phoma sp. were detected from the collected variety of wheat from aforesaid location. Bipolaris sp. was predominant among all the fungi, which was responsible for black point disease of wheat. Germination test was done to evaluate the percent seed germination and seedling growth. Highest percent seed germination was recorded in BARI gom 30 (81.44%) and better seedling growth was also recorded in BARI gom 30 (shoot length was 21.29 cm and root length was 7.156 cm). Several seed treating agents such as Provax 200 WP, Bendazim 50 WP, Bingo 75 WG and 10% Brine solution was used to find out their effect on seed-borne fungi on wheat seed. Provax 200 WP showed potential effect in suppression of fungal pathogens associated with wheat and better seedling growth compared to others.

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