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Plant Pathology Journal
  Year: 2015 | Volume: 14 | Issue: 4 | Page No.: 175-181
DOI: 10.3923/ppj.2015.175.181
Inducing Resistance against Leaf Rust Disease of Wheat by some Microelements and Tilt Fungicide
Somaya Tohamey and Seham A. Ebrahim

Abstract:
Three nutritional elements, i.e., boron at rate 0.1, manganese and zinc at rate 4 g L–1 as well as tilt fungicide 2.5 m L–1, were applied as a foliar spray to evaluate their capabilities to induce resistance against leaf rust disease of wheat caused by Puccinia triticina in greenhouse and field experiments during 2014/2015 growing season in Itay El-Baroud and Kafr El-hamam, Egypt. In greenhouse under artificial inoculation, a significant reduction in rust disease incidence and severity was found because of spraying wheat plants with tilt, boron, zinc and manganese, respectively, compared to untreated infected control. Same trend of results recorded in the field experiments conducted under natural infection at two locations, i.e., Itay El-Baroud and Kafr El-hamam. Tested treatments improved spike weight, grain weight spike and 1000 grain weight, over the control. Boron, zinc and manganese application increased activity of enzymes i.e., peroxidase and poly phenoloxidase and concentration of total phenols. Such increases in enzymatic activities and concentration of total phenols may be responsible for controlling leaf rust disease in wheat.
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How to cite this article:

Somaya Tohamey and Seham A. Ebrahim, 2015. Inducing Resistance against Leaf Rust Disease of Wheat by some Microelements and Tilt Fungicide. Plant Pathology Journal, 14: 175-181.

DOI: 10.3923/ppj.2015.175.181

URL: https://scialert.net/abstract/?doi=ppj.2015.175.181

 
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