2. Institutional Publications
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Item On the control of Liothrips karnyi (Bagnall) pepper leaf gall trips(Kerala Agricultural University, 1976) Nair, M R G K; Christudas, S PItem Toxicity of insecticides against populations OE Amrasca Biguttula biguttula (Ishida) infesting bittergourd from four districts of Kerala(Kerala Agricultural University, 1994) Sabitha, R; Sosamma Jacob; Rao, D SA study was undertaken to assess the relative toxicity of five insecticides against different populations of Amrasca Iriguttula bigiittula collected from four districts of Kerala. Variations were observed in the toxicity of insecticides against different populations.Item Dissipation ok quinalphos and monocrotophos residues in cardamom Capsules(Kerala Agricultural University, 1998) Thomas Biju Mathew; Visalakshi, A; Naseema Beevi, S; Rajan Asari, P A; Rajagopal, BThe paper describes the results of a field experiment conducted in the Cardamom Research Station, Pampadumpara, to study the dissipation of two insecticides used for controlling cardamom thrips and to fix their waiting periods. The results showed that the residues of quinalphos reached below the tolerance limit of 0.25 ppm within 23 to 24 days in fresh cardamom and within 20 to 21 days in cured cardamom. The corresponding periods for monocrotophos did not differ between fresh and cured cardamom (22 to 23 days) because of the systemic nature of the residues.