Browsing by Author "Johnson, J"
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Item Biology of Acanthopsyche minima Hmps. (psychidae) a pest of plantain(Kerala Agricultural University, 1974) Johnson, JItem Biology of Scymnus nubilus Muls. (Coccinellidae: Coleoptera) an insect predator(Kerala Agricultural University, 1972) Johnson, JItem Biology, of the bunchy top aphid Pentalonia nigronervosa Coq.(Aphididae, Hemiptera)(Kerala Agricultural University, Vellanikara, 1963) Johnson, JItem Control of Hymenia recurvalis (fabricius) on amaranthus(Kerala Agricultural University, Vellanikara, 1968) Johnson, JItem Duplachionaspis ivergens green (diaspidae : hemiptera)(Kerala Agricultural University, 1977) Rajan Asar, P A; Sreedharan, A; Johnson, JItem Relative toxicity of some synthetic organic insecticides to the banana aphid Pentalonia nigronervosa Coq.(Kerala Agricultural University, Vellanikara, 1964) Johnson, JItem Saissetia nigra (Nietn) a pest on cassava(Kerala Agricultural University, 1978) Rajan Asari, P A; Johnson, JItem Studies on a leaf feeding caterpillar of sweet potato, Brachmia Gonvolvuli Wlsm. (Gelechiidae: Lepidoptera)(Kerala Agricultural University, Vellanikara, 1968) Visalakshmi, J A; Johnson, J