Browsing Chemistry by Author "Abeywickrama, K."

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Bioactivity of leaf volatiles of Azadirachta indica A. Juss. and Murraya koenigii Spreng. against Sitophilus oryzae L.(Coleoptera: Curculionidae)

Paranagama, P.A.; Abeysekera, K.H.T.; Nugaliyadde, L.; Abeywickrama, K. (National Science Foundation of Sri Lanka., 2002)

Repellent activity, fumigant and contact toxicities of leaf volatiles of Azadirachta indica A. Juss. and Murraya koengii Spreng. were evaluated against Sitophilus oryzae L. In the dual choice repellency test with A indica ...
Fungicidal activity of essential oils of Cinnamomum zeylanicum (L.) and Syzygium aromaticum (L.) Merr et LM Perry against crown rot and anthracnose pathogens isolated from banana

Ranasinghe, L.; Jayawardena, B.; Abeywickrama, K. (Blackwell Science Ltd., 2002)

Aims: To develop a post-harvest treatment system against post-harvest fungal pathogens of banana using natural products. Methods and Results:Colletotrichum musae was isolated and identified as the causative agent responsible ...
Physicochemical changes of stored cowpea, Vigna unguiculata, treated with selected essential oils to control cowpea bruchid, Callosobruchus maculatus (F.)

Rubasinghege, G.R.S.; Paranagama, P.; Abeywickrama, K. (Journal of Food, Agriculture & Environment., 2006)

Cowpea (Vigna unguiculata) seeds were treated with essential oils of C. citratus,C. nardus, C. zeylanicum, M. minutum and a standard pesticide (pirimiphos methyl) as fumigant toxicants. At the end of the four month storage ...

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