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Thesis
1998
Department of Plant Pathology, College of Horticulture, Vellanikkara

An investigation on biochemical, biological and nutritional bases of resistance in solanaceous vegetables against bacterial wi1t incited by Ralstonia solanacearum (Smith) Yabuuchi et al., has been attempted. The pathogen R. solanacearumwas isolated from respecti ve hosts and characterised by various morphological, cultural, biochemical and physiological...

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Article
1983
Kerala Agricultural University

Studies using antibiotics on the control of bacterial leaf blight disease of rice at the College of Agriculture, Vellayani has shown that Penicillin at 500 ppm gavethe maximum inhibition to the growth of the bacterium in vitro. In in vivo Penicillin or Agrimycin-1 00 (250 ppm) post-inoculation sprays twice at eight days interval were equally effective in loweri...

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20_2_37-40_002-1628.pdf.jpg
Article
1982
Kerala Agricultural University

In 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 ...

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TH279.pdf.jpg
Thesis
1980
Department of Plant Pathology, College of Agriculture, Vellayani

The bacterial leaf blight of rice, incited by Xanthomonas oryzae (Syeda and Ishiyama) Dowson is one of the most serious disease of economic importance in India and several other rice growing countries of the world. This disease was first reported in India by Sreenivasan et. al. (1959) from Maharashtra and a serious epiphytetic was reported by Srivastava and Rao (19...

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TH278.pdf.jpg
Thesis
1980
Department of Plant Pathology, College of Agriculture, Vellayani

The bacterial wilt of gingerincited by psuedomonas solanacearum E.P. Smith probably the most serious of all the disease recorded on this crop was first reported from India in 1978. The symptoms of the disease include loss of turgidity of leaves , rolling and yellowing of the leaflets, cropping and wilting of the plant and rotting of the rhizome . No variations in s...

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35_1-2_10-15_0971-636.pdf.jpg
Article

Phytophthora capsici, the causal organism of Phytophthora foot rot disease in black pepper produces toxic metaholite(s) under in vitro conditions. Maximum accumulation of toxic metabolite(s) was observed in shake cultures of 15 days incubation in Ribeiro's medium. The symptoms induced by toxic metabolite(s) were quite typical to symptoms of natural and artificia...

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170706.pdf.jpg
Thesis
1994
Department of Plant Pathology, College of Horticulture, Vellanikkara

Bacterial wilt is one of the most destructive disease of ginger in Kerala. The pathogen was isolated from wilted ginger plant and its pathogenicity established. The isolate of bacterium was characterized and identified as Pseudomonas solanacearum (Smith) Smith based on its morphological, cultural, biochemical and physiological characters coupled with its pathogenic...

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