EFFICACY OF SOME PLANT PRODUCTS AGAINST PULSE BEETLE, Callosobruchus chinensis (COLEOPTERA; BRUCHIDAE) ON STORED GREEN GRAM SEED

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dc.contributor.advisorGoswami, M. M.
dc.contributor.authorHANSEPI, JIRKA
dc.date.accessioned2023-03-18T10:37:03Z
dc.date.available2023-03-18T10:37:03Z
dc.date.issued2017-07
dc.description.abstractAn experiment was conducted during 2016-17 in the laboratory of National Seed Project (crops), Assam Agricultural University, Jorhat to evaluate the efficacy of some plant products against pulsebeetle, Callosobruchuschinensisand their effects on seed viability and seedling vigour in green gram seed under laboratory storage conditions. Greengram seeds are infested by various storage pest among which Callosobruchuschinensis is the most important and common of all bruchid pest in India. Although, synthetic pesticides are effective in controlling the pest, environment and health hazards of these chemicals are of increasing concern. The study assessed efficacy ofnine botanical products namely Neem seed kernel powder, Basil leaf powder, Black pepper powder, Sweet flag rhizome powder, Turmeric powder, Ginger powder, Sesamum oil, Groundnut oil, Mustard oil were used in the experiment with malathion 5% dustas check. The different observations viz., per cent germination, seedling vigour index, per cent moisture content, per cent insect infestationwere evaluated at 0, 15, 30, 60, 120 and 180 days after treatment of the seeds stored in porous HDPE bags. The results revealed that most of the treatments were significantly superior to untreated check. The treated check i.e.malathion 5% dust(per cent germination; 93.33, seedling vigour index; 1404.60, per cent infestation; nil, per cent moisture content; 11.94) @ 2.5g per kgwas found to be the best treatment followed by sweet flag rhizome powder (per cent germination; 91.33, seedling vigour index; 1355.06, per cent infestation; 0.75, per cent moisture content; 11.99), vegetable oils such as mustard oil, groundnut oil, sesamum oiland black pepper powder after six months of storage. For evaluation of insecticidal activity of different plant products against pulse beetle,Callosobruchuschinensis in green gram seeds stored in glass jars, the different observations viz., per cent infestation, per cent weight loss, per cent germination, seedling vigour index were evaluated at 15, 30, 60 and 120 days after the release of insects. Here, also malathion 5% dust (per cent germination, 93.66), (seedling vigour index, 1528.96), (per cent infestation, nil), (per cent weight loss, 0.09)@ 2.5g per kg was found to be the best treatment as no infestation was recorded upto 120 days. The results were in conformity with the seeds stored in HDPE bag in case of other plant products. The present findings revealed that sweet flag rhizome powder, vegetable oils and black pepper powder can be used as an alternative to chemical insecticides against pulse beetle, Callosobruchuschinensis in stored green gram seed.en_US
dc.identifier.urihttps://krishikosh.egranth.ac.in/handle/1/5810195463
dc.language.isoEnglishen_US
dc.publisherAAU, Jorhaten_US
dc.subPlant Breedingen_US
dc.themeEFFICACY OF SOME PLANT PRODUCTS AGAINST PULSE BEETLE, Callosobruchus chinensis (COLEOPTERA; BRUCHIDAE) ON STORED GREEN GRAM SEEDen_US
dc.these.typeM.Scen_US
dc.titleEFFICACY OF SOME PLANT PRODUCTS AGAINST PULSE BEETLE, Callosobruchus chinensis (COLEOPTERA; BRUCHIDAE) ON STORED GREEN GRAM SEEDen_US
dc.typeThesisen_US
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