2. Institutional Publications
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Item Reaction of popular varieties and cultures of rice at the nursery stage to brown spot helminthosporium oryzae under natural disease pressure(Kerala Agricultural University, 1976) James Mathew; John Abraham; Gopalan, NItem Occurrence of rice yellow dwarf in Kerala(Kerala Agricultural University, 1977) James Mathew; John AbrahamItem Leaf spot disease of Dioscorea alata Linn.(Kerala Agricultural University, 1980) Abraham, M; Karunakaran, P; James MathewItem Influence of age of plants on cassava bacterial blight incidence and development(Kerala Agricultural University, 1981) Mani T Cherian; James MathewItem Screening of betelvine cultivars for host resistance against leaf spot pathogn Xanthomonas Betlicola Patel, Kulkarni and Dhande(Kerala Agricultural University, 1981) Koshy Abraham; James MathewSeven cultivars of betelvine were screened for host resistance against the the leaf spot pathogen Xanthomonas betlicola. The study revealed that none of the cultivars were absolutely resistant to the disease, but the minimum disease severity was observed in the cultivar Tulasivettila. The minimum defoliation within 20 and 30 days after inoculation were observed in the cultivars Karilanchikarpuran and Tulasivettila.Item Mode of survival of Pseudomonas Solanacearum (Smith) Smith causing bacterial wilt of ginger (Zingiber Officinale Rose.)(Kerala Agricultural University, 1981) Indrasenan, G; Sreekumar, V; James Mathew; Mammen, M KItem Reaction of popular rice cultivars to bacterial leaf blight pathogen Xanthomonas Campestris pv. Oryzae(Kerala Agricultural University, 1982) Mary, C A; James MathewItem Reaction of different types of ginger to bacterial wilt caused by Pseudomonas solanacearum (Smith) Smith(Kerala Agricultural University, 1982) Indrasenan, G; Vasantha Kumar, K; James Mathew; Mammen, M KItem Control of bacterial leaf spot of betel vine(Kerala Agricultural University, 1982) Koshy Abraham; James MathewIn the in vitro screening of antibiotics, chloramphenicol, Terramycin, Streptomycin, Streptocycline and Agrimycin-100 have showed inhibitory effect to X. campestris pv. betf/cota. Among these, chloramphenicol at 500 ppm exerted maximum inhibitory effect. None of the antibiotics tested in in vivo gave absolute control of the disease. But minimum percentage index of disease status and maximum percentage survival of diseased leaves were observed in plants receiving Terramycin 500 ppm spray.Item On the physiological variation of xanthomonas campestris Pv.betlfcola (Patel, Kulkarni and Dhande) dye(Kerala Agricultural University, 1983) Koshy Abraham; James Mathew