Browsing by Author "Devasahayam, S."
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Item Biological Control of Pests of Coconut(2000) Pillai, G.B.; Antony, J.; Mohan, K.S.; Mariamma Daniel; Devasahayam, S.; Sathiamma, B.; Dangar, T.K.; Ramachandran, C.P.; Abraham, V.A.; Bhat, S.K.; Sreekumar, K.R.; Sukumaran, A.S.; Chandrika Mohan; Murali Gopal; Sosamma, V.K.; Gulsar Banu, J.Item Chemical control of palm mite Raoiella indica Hirst on arecanut(2007-02-08) Devasahayam, S.; Radhakrishnan Nair, C.P.The palm mite, Raoiella indica Hirst is a common and widespread pest of arecanut in India attaining serious proportions especially during the hot summer months. A field trial was conducted at Central Plantation Crops Research Institute, Regional Station, Vittal, Karnataka to evaluate the efficacy of four pesticides viz., dicofol. dimethoate, formothion and phosphamidon at 0.05% and 0.025% concentration in controlling the population of the pest. It was found that dicofol 0.05%. dimethoata 005Yo and 0.025%, formothion 0.05% and phosphamidon 0-05% gave significant control of the mite population.Item The economic viability of three insecticides in the control of pollu beetle (Longitarsus nigripennis Mots.) in black pepper(2007-02-08) Balakrishnan, R.; Prem Kumar, T.; Devasahayam, S.A suitable choice of insecticides for different levels of infestation by pollu beetle (Longitarsus nigripennis Mots.) in black pepper has been worked out based on a multilocation trial involving three insecticides namely, endosulfan, quinalphos and methyl parathion.Item Insect pest management in arecanut(2007-02) Devasahayam, S.; Radhakrishnan Nair, C.P.Item Insect Pests of Black Pepper Piper Nigrum L. in India(2007-02) Devasahayam, S.; Prem Kumar, T.; Abdulla Koya, K.M.The information available on distribution, nature and extent of damage, life history, seasonal abundance, natural enemies and control measures of various insect pests infesting black pepper Piper nigrum L. in India has been reviewed.Item Pests of Arecanut and their Control(2007-02) Radhakrishnan Nair, C.P.; Devasahayam, S.Item Record of Wax Scale Ceroplastes Floridensis Comstock (Homoptera: Coccidae) Infesting Clove Seedlings In Kerala, India(1989) Vidyasagar, P.S.P.V.; Abdulla Koya, K.M.; Devasahayam, S.; Prem Kumar, T.Ceroplastes fioridensis Comstock (Hemoptera : Coccidae) has been recordef for the first time infesting clove seedlings in Kerala, IndiaItem Sexing Live Adults of the Pollu Beetle Longitarsus Nigripennis Mots. (Chrysomelidae: Coleoptera)(1988) Vidyasagar, P.S.P.V.; Devasahayam, S.; Abdulla Koya, K.M.Item The Tea Mosquito Bug Helopeltis Antoniisignoret On Cashew In India(1986) Radhakrishnan Nair, C.P.; Devasahayam, S.The tea mosquito bug Helopeltis antonii Signoret is the most serious pest of cashew in India. The information available on its distribution, nature and extent of damage, biology, seasonal abundance, natural enemies, alternate host plants and control measures with particular reference to India are discussed in this review.