Biochemical changes induced by compost tea and seaweed formulation spray inhibiting Alternaria leaf blight of sunflower


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Biochemical changes induced by compost tea and seaweed formulation spray inhibiting Alternaria leaf blight of sunflower

Authors

  • M SHADAB University of Agricultural Sciences, GKVK, Bengaluru-560 065
  • K KHATIB University of Agricultural Sciences, GKVK, Bengaluru-560 065
  • K KARUNA University of Agricultural Sciences, GKVK, Bengaluru-560 065
  • C P MANJULA University of Agricultural Sciences, GKVK, Bengaluru-560 065
  • DATTATREYA University of Agricultural Sciences, GKVK, Bengaluru-560 065

https://doi.org/10.56739/jor.v37iSpecialissue.141065

Keywords:

Alternaria, Flavonoids, Compost tea, Peroxidase, Phenolics, Superoxide dismutase

Abstract

Compost tea and seaweed extract were tested against Alternaria blight of sunflower. Foliar spray of compost tea
(1:10) @ 30, 45 DAS and propiconazole @ 1 ml/l at 60 DAS was effective in controlling the Alternaria blight of
sunflower with least disease severity which was on par with foliar spray of seaweed formulation at 30, 45 DAS and propiconazole at 60 DAS. The defense enzymes such as superoxide dismutase, peroxidase, secondary metabolites such as phenolics and flavonoids increased in foliar spray of compost tea and also in propiconazole treated plants.

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References

Balasubramanyam N and Kolte S J 1980. Effect of Alternaria blight on yield components, oil content and seed quality of

sunflower. Indian Journal of Agricultural Sciences, 50: 701-706.

Haggag W M and Saber M S M 2007. Suppression of early blight on tomato and purple blight on onion by foliar sprays

of aerated and non-aerated compost teas. Journal of Food, Agriculture and Environment, 5(2): 302-309.

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Submitted

2023-08-18

Published

2020-03-12

How to Cite

M SHADAB, K KHATIB, K KARUNA, C P MANJULA, & DATTATREYA. (2020). Biochemical changes induced by compost tea and seaweed formulation spray inhibiting Alternaria leaf blight of sunflower: Biochemical changes induced by compost tea and seaweed formulation spray inhibiting Alternaria leaf blight of sunflower. Journal of Oilseeds Research, 37(Specialissue). https://doi.org/10.56739/jor.v37iSpecialissue.141065