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Information Journal Paper

Title

Influence of non-edible oil-cakes and their composts on growth, yield and Alternaria leaf spot disease in chilli

Pages

  301-318

Abstract

 Purpose Raw and Composted Oil-cakes of neem, madhuca and simarouba were evaluated for their effect on plant growth, yield, and management of Alternaria tenuissima Leaf spot disease, and rhizosphere microorganisms in chilli crop. Method The Oil-cakes were Composted in simple pits containing a mixture (6: 1: 1) of individual oil-cake, soil and rice straw. Growth promotion and disease incidence were assessed in plants grown in soil amended with raw or Composted Oil-cakes of neem, madhuca and simarouba in pot and field. Rhizosphere microflora was also determined in all treatments. Results Raw Oil-cakes and their Composts increased plant growth and yield and considerably decreased disease incidence and severity of A. tenuissima Leaf spot in chilli grown in pot and field. The Composted Oil-cakes of simarouba were most effective in improving plant growth and yield and decreasing Leaf spot disease in chilli, followed by madhuca and neem oil-cake Compost. Fruit yield and vitamin C content were also high in simarouba Compost. All Composted Oil-cakes increased beneficial microbial population in the rhizosphere, including phosphate solubilizers, free-living N2 fixers and Trichoderma species. The Compost amendment decreased A. tenuissima population in the soil at the same time. Conclusion The growth promotion, yield increase and disease reduction in chilli were attributed to chemical compounds in Oil-cakes and stimulation of beneficial microbes in the rhizosphere by raw or Composted Oil-cakes. This study demonstrated that Composted non-edible Oil-cakes could be used for soil amendment in place of agrochemicals to increase productivity, manage soil-borne diseases and improve soil health.

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    APA: Copy

    VasudhaUdupa, a., Balakrishna, Gowda, & Shivanna, M.B.. (2022). Influence of non-edible oil-cakes and their composts on growth, yield and Alternaria leaf spot disease in chilli. INTERNATIONAL JOURNAL OF RECYCLING OF ORGANIC WASTE IN AGRICULTURE, 11(3), 301-318. SID. https://sid.ir/paper/1034433/en

    Vancouver: Copy

    VasudhaUdupa a., Balakrishna Gowda, Shivanna M.B.. Influence of non-edible oil-cakes and their composts on growth, yield and Alternaria leaf spot disease in chilli. INTERNATIONAL JOURNAL OF RECYCLING OF ORGANIC WASTE IN AGRICULTURE[Internet]. 2022;11(3):301-318. Available from: https://sid.ir/paper/1034433/en

    IEEE: Copy

    a. VasudhaUdupa, Gowda Balakrishna, and M.B. Shivanna, “Influence of non-edible oil-cakes and their composts on growth, yield and Alternaria leaf spot disease in chilli,” INTERNATIONAL JOURNAL OF RECYCLING OF ORGANIC WASTE IN AGRICULTURE, vol. 11, no. 3, pp. 301–318, 2022, [Online]. Available: https://sid.ir/paper/1034433/en

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