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 |
Laboratory experiments were carried out to study the effect of different colours of storing containers on the infestation of Sitophilus oryzae on stored rice grains during 2018-19. The results of the present investigation reveals that at 90 days after storage maximum grain infestation (%) was recorded in Mohanbhog (47.66%) followed by Seshphal (40.07%) while the lowest infestation was noted in Jhagarikartik (34.58%). When the effect of colour of the storage containers was considered, the black container showed the highest % of infested grains (48.86%) followed by blue (42.61%) and green (38.65%) container while the lowest grain infestation was recorded from the transparent container (32.96%) at 90 days after storage. Same trend was also noted at 30 and 60 days after storage. Likewise Mohanbhog again registered the highest weight loss percent with pooled mean values 34.98% at 90 DAS respectively which was followed by Seshphal (32.62%) and Jhagarikartik (30.94%) respectively. It also reveals that black coloured storage container registered the highest weight loss percent (40.70%) followed by blue coloured storage container (35.68%), green storage container (31.70%), whereas the least weight loss percentage was registered from the transparent storage container (23.31%) at 90 DAS. This trend was always observed at 30 and 60 days after storage of rice grains. When the germplasms and the coloured containers were considered together, the S. oryzae reared under Mohanbhog in black containers produced the highest population while the S. oryzae reared under in Jhagarikartik in transparent containers showed the lowest weevil population.
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