National Academy of Agricultural Sciences (NAAS)
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PRINT ISSN : 2319-7692
Online ISSN : 2319-7706 Issues : 12 per year Publisher : Excellent Publishers Email : editorijcmas@gmail.com / submit@ijcmas.com Editor-in-chief: Dr.M.Prakash Index Copernicus ICV 2018: 95.39 NAAS RATING 2020: 5.38 |
This work was conducted in banana producing area of Bihar during 2016-17 to 2018-19. In Bihar, banana production mainly categorised into two zone viz. Vaishali belt and Koshi belt. Vaishali belt mainly comprise tall group of banana cultivar whereas Kosi belt rich with dwarf Cavendish group of banana cultivars and this dwarf Cavendish group of cultivars were resistant against Panama wilt till 2015.But due to introduction of new race i.e. race 4 strain B2 of Fusarium oxysporum f. sp. cubense. Now it become susceptible and produce peculiar symptom of Panama wilt disease. In this way aroving survey was made on the external symptom expression and find out percent wilt index (0-5). Maximum percent wilt index was recorded in cultivar Malbhog (AAB) from 36-40% to 30-34% during 2016-17 to 2018-19 in Samastipur districts and minimum percent wilt index was found in cultivars Alpan (AAB) from 21-23% to 16-17% during 2016-17 to 2018-19 in Darbhanga district of Vaishali belt. In Koshi belt, maximum percent wilt index was recorded in cultivar Grand Naine (AAA) from 23-25% to 28-34% during 2016-17 to 2018-19 of Bhagalpur district and minimum per cent wilt index was found in cultivar Basrai (AAA) from 9-11% to 14-18% during 2016-17 to 2018-19 of Kishanganj district.
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