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Evaluation of Different Fungicides Efficacy Against Net Blotch (Pyrenophorateres) and Leaf Rust (Pucciniahordei) Diseases of Barley, South-Eastern Ethiopia
European Journal of Biophysics
Volume 8, Issue 2, December 2020, Pages: 35-42
Received: Jul. 27, 2020; Accepted: Aug. 8, 2020; Published: Sep. 28, 2020
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Authors
Tamene Mideksa, Oromia Agricultural Research Institute, Sinana Agricultural Research Center, Bale-Robe, Oromia, Ethiopia
Zerihun Eshetu, Oromia Agricultural Research Institute, Sinana Agricultural Research Center, Bale-Robe, Oromia, Ethiopia
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Abstract
Barley (Hordeum vulgare L.) is one of the most important staple food crops in the highlands of Ethiopia. However, the production and productivity of barley are constrained by various a biotic and biotic stresses. Among the biotic stresses, barley net blotch and leaf rust are the most destructive diseases of barley. The field experiment was conducted at three locations (Sinana, Robe and Goba) for two consecutive years (2017 and 2018) crop growing seasons. The objective of this study was to evaluate the effectiveness of different fungicides for the management of barley net blotch and leaf rust diseases. Treatments were composed of one highly susceptible barley variety (Guta) to major barley diseases and seven systemic foliar fungicides (Tilt250EC (PropiconazoleEC), RexDuo (Epoxiconazole+Thiophanatemethyl), AmistarXtra280SC (Azoxystrodin+Cyproconazole), OperaMax (F500 (85G/L)) (Pyraclostrobin+Epoxiconazole), Natura250EC (Tebuconazole250EC), Nativo300SC (Tebuconazole50%+Trifloxystrobin75WG), Artea330EC (Propiconazole+Cyproconazole) and untreated plot (control) were arranged in a randomized complete block design with three replications. The present study revealed that Tilt 250 EC and Artea 330 EC fungicides provided significant grain yield increment over untreated plot (control) across the three sites. The highest grain yield obtained from plots treated by Tilt 250 EC (2778.9 kgha-1) and Artea 330 EC (2538.9 kgha-1), which was 40% and 35% higher than the untreated control, respectively. The most effective among all tested fungicides, Artea 330 EC and Tilt 250 EC applied at the rate of 0.5 litre per hectare which reached 98.63% and 94.54% efficacy in controlling barley rust disease, respectively. Likewise, Tilt 250 EC and Artea 330 EC also relatively reduced net blotch disease severity to the lowest level. Likely, Tilt 250 EC and Artea 330 EC revealed that 11.4 quintal ha-1 and 9 quintal ha-1 yield advantage over untreated plot (control). The highest net benefit obtained from the application of Tilt 250 EC followed by Artea 330 EC fungicides as compared to the untreated plot. The application of Tilt 250 EC and Artea 330 EC fungicides gave maximum economic profitability with an attractive acceptable return to control leaf rust and a net blotch of barley. One time application of Tilt 250 EC and Artea 330 EC fungicides is the most effective in controlling barley leaf rust and net blotch diseases at the time of disease appearance.
Keywords
Barley, Fungicide, Variety, Severity, Net Blotch, Leaf Rust
To cite this article
Tamene Mideksa, Zerihun Eshetu, Evaluation of Different Fungicides Efficacy Against Net Blotch (Pyrenophorateres) and Leaf Rust (Pucciniahordei) Diseases of Barley, South-Eastern Ethiopia, European Journal of Biophysics. Vol. 8, No. 2, 2020, pp. 35-42. doi: 10.11648/j.ejb.20200802.14
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Copyright © 2020 Authors retain the copyright of this article.
This article is an open access article distributed under the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/) which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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