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International Journal of Innovation and Applied Studies
ISSN: 2028-9324     CODEN: IJIABO     OCLC Number: 828807274     ZDB-ID: 2703985-7
 
 
Thursday 28 March 2024

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Effectivenss of fungicides in scald (Rhynchosporium secalis) control on wheat (Triticum aestivum (L.) Thell)


[ Efectividad de fungicidas en el control de escaldadura (Rhynchosporium secalis) en trigo (Triticum aestivum (L.) Thell) ]

Volume 29, Issue 4, July 2020, Pages 915–925

 Effectivenss of fungicides in scald (Rhynchosporium secalis) control on wheat (Triticum aestivum (L.) Thell)

Ricardo Hernández Pérez1, Teresa de J. Ramírez Pedraza2, and Daniel Perales Rosas3

1 Laboratorio de Agrodiagnóstico Fitolab S.A de C.V. Bugambilia No.9, Col. El Mirador de Puxtla, Cuautla, Morelos, C.P. 62 758, Mexico
2 Laboratorio de Agrodiagnóstico Fitolab S.A de C.V. Bugambilia No.9, Col. El Mirador de Puxtla, Cuautla, Morelos, C.P. 62 758, Mexico
3 Laboratorio de Agrodiagnóstico Fitolab S.A de C.V. Bugambilia No.9, Col. El Mirador de Puxtla, Cuautla, Morelos, C.P. 62 758, Mexico

Original language: French

Copyright © 2020 ISSR Journals. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract


The routine and excessive use of fungicides to control fungal diseases in the field, without perceiving the risks and vulnerability they cause, must be considered in modern agriculture. The objective was to evaluate the effectiveness of some fungicides for the control of scald (Rhynchosporium secalis) in wheat, evaluating their impact on yield. A completely randomized design was used, with five treatments and four repetitions. The fungicides applied by spraying were: picoxystrobin + cyproconazole, tebuconazole and pyraclostrobin. The incidence, severity, and biological effectiveness to control scald, finding the percentages according to formulas in each treatment. Number of seeds and the average weight of the grain per spike were evaluated. At four months, the average number of seeds per spike and the average weight of the grain were evaluated. The scald affected the culture from the early stages and with high inoculum pressure. The highest biological effectiveness was obtained with tebuconazole 500 mL ha-1, followed by (picoxystrobin + cyproconazole) 400 mL ha-1. Both in the average number of seeds per spike and in the average grain weight, the best result was when pyractrostrobin was applied, followed by picoxystrobin + cyproconazole. tebuconazole only favored the average grain weight. The results showed that use of fungicides was convenient to reduce the decrease in wheat production, always mixed with an adjuvant.

Author Keywords: Adjuvant, biology effectiveness, Tlaxcala cultivar, yield, pest.


How to Cite this Article


Ricardo Hernández Pérez, Teresa de J. Ramírez Pedraza, and Daniel Perales Rosas, “Effectivenss of fungicides in scald (Rhynchosporium secalis) control on wheat (Triticum aestivum (L.) Thell),” International Journal of Innovation and Applied Studies, vol. 29, no. 4, pp. 915–925, July 2020.