Normal view MARC view ISBD view

Effects of Fusarium culmorum and waterstress on durumwheat in Tunisia

By: Chekali, S.
Contributor(s): Gargouri, S [coaut.] | Nasraoui, B [coaut.] | Nicol, J.M [coaut.] | Paulitz, T [coaut.] | Rezgui, M [coaut.].
Material type: materialTypeLabelArticlePublisher: 2011ISSN: No (Revista en electrónico); 0261-2194.Subject(s): Durumwheat | Fusarium crown and foot rot | Fusariumculmorum | Triticum durum | waterstress In: Crop Protection v. 30, no. 6, p. 718-725Summary: The effects of waterstress on Fusarium foot and root rot in durumwheat were investigated in growth chamber, greenhouse and field tests in Tunisia. In the seedling stage, emergence of six durumwheat cultivars in the growth chamber was significantly reduced by inoculation with Fusariumculmorum and waterstress (P<0.0001), with more disease under drier conditions. Additionally, the tiller number per mature plant, the 1000 grain weight and disease severity in mature stage were reduced by inoculation in greenhouse studies. In a field test, inoculation with F. culmorum significantly reduced the yield (P<0.001), by more than 17% for Om Rabiaa and 38% for Karim, the two cultivars tested. Yield was also significantly affected by precipitation and irrigation levels. The severity of the disease, estimated by the percentage of white heads, was separately affected by the cultivar (P<0.001) and inoculation (P = 0.0004). Percentage of white heads was 1.5 and 2 × higher in inoculated plants than non-inoculated for Om Rabiaa and Karim cultivars, respectively. Disease severity was highest in treatments with the greatest waterstress. This is the first detailed study of waterstress and F. culmorum on durumwheat in Tunisia, and indicates that cultivar resistance and irrigation management may be important in the management of Fusarium foot rot.Collection: CIMMYT Staff Publications Collection
Tags from this library: No tags from this library for this title. Log in to add tags.
    average rating: 0.0 (0 votes)
Item type Current location Collection Call number Status Date due Barcode Item holds
Article CIMMYT Knowledge Center: John Woolston Library

Lic. Jose Juan Caballero Flores

 

CIMMYT Staff Publications Collection CIS-6666 (Browse shelf) Available
Total holds: 0

Peer-review: Yes - Open Access: Yes|http://science.thomsonreuters.com/cgi-bin/jrnlst/jlresults.cgi?PC=MASTER&ISSN=0261-2194

The effects of waterstress on Fusarium foot and root rot in durumwheat were investigated in growth chamber, greenhouse and field tests in Tunisia. In the seedling stage, emergence of six durumwheat cultivars in the growth chamber was significantly reduced by inoculation with Fusariumculmorum and waterstress (P<0.0001), with more disease under drier conditions. Additionally, the tiller number per mature plant, the 1000 grain weight and disease severity in mature stage were reduced by inoculation in greenhouse studies. In a field test, inoculation with F. culmorum significantly reduced the yield (P<0.001), by more than 17% for Om Rabiaa and 38% for Karim, the two cultivars tested. Yield was also significantly affected by precipitation and irrigation levels. The severity of the disease, estimated by the percentage of white heads, was separately affected by the cultivar (P<0.001) and inoculation (P = 0.0004). Percentage of white heads was 1.5 and 2 × higher in inoculated plants than non-inoculated for Om Rabiaa and Karim cultivars, respectively. Disease severity was highest in treatments with the greatest waterstress. This is the first detailed study of waterstress and F. culmorum on durumwheat in Tunisia, and indicates that cultivar resistance and irrigation management may be important in the management of Fusarium foot rot.

Global Wheat Program

English

Elsevier

Lucia Segura

INT2410

CIMMYT Staff Publications Collection

There are no comments for this item.

Log in to your account to post a comment.
baner

International Maize and Wheat Improvement Center (CIMMYT) © Copyright 2015. Carretera México-Veracruz. Km. 45, El Batán, Texcoco, México, C.P. 56237.
Monday –Friday 9:00 am. 17:00 pm. If you have any question, please contact us at CIMMYT-Knowledge-Center@cgiar.org

Centro Internacional de Mejoramiento de Maíz y Trigo (CIMMYT) © Copyright 2015. Carretera México-Veracruz. Km. 45, El Batán, Texcoco, México, C.P. 56237.
Lunes –Viernes 9:00 am. 17:00 pm. Si tiene cualquier pregunta, contáctenos a CIMMYT-Knowledge-Center@cgiar.org