Browsing by Author "Prem Kumar, T."
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Item The arecanut palm(2007-02-08) Bavappa, K.V.A.; Nair, M.K.; Prem Kumar, T.Item Aspergillus flavus Link., A Fungal Parasite on the Leaf-Eating Caterpillar, Lymantria obfuscata Walk.(1974-09) Radhakrishnan Nair, R.; Prem Kumar, T.Item Association of dipteran maggots in rhizome rot of ginger(2007-02-08) Prem Kumar, T.; Sarma, Y.R.; Gautam, S.S.S.A constant association of two dipteran maggots, Eumerus sp. and Mimegralla sp. was noticed with Pythium infected rhizomes and occasionally with the bacterial wilt (Pseudomonas solanacearum) affected rhizomes also. Positive Pythium isolations were obtained in 1.02% of maggots of Mimegralla sp. collected from the field. From infected rhizomes, 42% showed Pythium alone and 58% showed Pythium and maggots and never maggots alone. Both the species were capable of subterranean movement. A crude ginger extract had an attractant effect on the maggots.Item Caterpillar and beetle pests of cocoa (Theobroma cacao L.) in India(2007-02-08) Prem Kumar, T.; Radhakrishnan Nair, C.P.Item Chemical control of shoot borer Dichocrocis punctiferalis Guen. on ginger Zingiber officinale Rose(2007-02-08) Abdulla Koya, K.M.; Prem Kumar, T.; Gautam, S.S.S.Item Chemical control of the arecanut white grub Leucopholis burmeisteri Brenske(2007-02-08) Prem Kumar, T.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 Effect of Meloidogyne incognita population on black pepper(2007-02-08) Koshy, P.K.; Premachandran, D.; Sosamma, V.K.; Prem Kumar, T.Meloidogyne incognita was found to be pathogenic to black pepper causing stunting and yellowing of the plants and reduction in root and shoot weights. Reduced growth of plants and intensity of galling was correlated with the increase in initial nematode population. An initial nematode inoculum level of 10 larvae per plant caused severe damage over a period of one year.Item Effect of Meloidogyne incognita population on black pepper(1979) Koshy, P.K.; Premachandran, D.; Sosamma, V.K.; Prem Kumar, T.Meloidogyne incognita was found to be pathogenic to black pepper causing stunting and yellowing of the plants and reduction in root and shoot weights. Reduced growth of plants and intensity of galling was correlated with the increase in initial nematode population. An initial nematode inoculum level of 10 larvae per plant caused severe damage over a period of one year.Item Effects of some antifeedants on the caterpillars of Pericallia ricini F. (Arctiidae, Lepidoptera) a pest of cacao(2007-02-08) Prem Kumar, T.Triphenyl tin acetate, triphenyl tin chloride, and AC 24055 were tested on Periaillia ricini (or assessing rheir efficacy as antifeedants at five concentrations ranging from 0-0125% to 0-2%. Triphenyl tin acetate at 0-2% and 0-1% ami Q-2% triphenyl tin chloride were most effective in checking the leaf consumption by catetpiilars protecting the leaf and causing maximum mortality of caterpillars. The chemical AC 24055 was least effective for all the factors scudied.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 Journal of Plantation Crops : Volume 18 (Supplement) : Proceedings of the Eighth Symposium on Plantation Crops (Placrosym VIII, 1988)(2007-02) Prem Kumar, T.; Sarma, Y.R.; Ravindran, P.N.; Madhusoodanan, K.J.Item National Cashew Symposium(CPCRI, 1979-03-15) Prem Kumar, T.; Hali, R.; Nair, M.K.Item Occurrence of Lymantria obfuscata Walker, the Indian Gypsy Moth, as a Pest of Cacao in South India(1974-05) Prem Kumar, T.Item Pests of Arecanut(2007-02) Mariamma Daniel; Prem Kumar, T.Damage to the arecanut palm due to pests results from feeding on seedlings, roots, stem, foliage, and inflorescence. About 90 insect and non-insect pests have been recorded including storage pests from India. The work done on them except the storage pests is reviewed here.Item Proceedings of the 8th symposium on plantation crops(1988) Prem Kumar, T.; Sarma, Y.R.; Ravindran, P.N.; Madhusoodanan, K.J.Item Record of Three New Pests on Cashew: Popillia complanata Newm., Pingasa ruginaria Gn., and Estigmene lactinea C.(1975) Sreeramulu, C.; Prem Kumar, T.; Mariamma Daniel; Sathiamma, B.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 Seasonal Fluctuation of Population and Habits of the Adults of Longitarsus nigripennis Mots, on Black Pepper(1985) Prem Kumar, T.; Nair, M.R.G.K.Item Sex Ratio Of Red Palm Weevil Rhynchophorus Ferrugineus Oliv., Captured From Date Plantations Of Saudi Arabia Using Pheromone (Ferrolure) Traps(1999) Abraham, V.A.; Faliero, J.R.; Prem Kumar, T.; Mohmood Abdulla Al Shuaibi