Wheat fusarium head blight 2001 epidemic in the southern Argentinian pampas

Carranza, M. R.; Lori, Gladys Albina; Sisterna, Marina Noemí

doi:10.1590/s0100-54052008000100022

Cited by 5 publications

(2 citation statements)

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“…During FHB epidemic years the main Fusarium species isolated from common and durum wheat is F. graminearum . , The mains factors for FHB disease development are the environmental conditions, such as RH, rainfall and temperature, prevailing during the heading stage of the host plant. Severe FHB epidemics occurred in 1963, 1976, 1978, 1985 and 2001 in the main durum wheat growing area of Argentina. According to Kikot et al, using a weather-based predictive model, during the 2007 growing season the weather conditions were adverse for producing FHB infection events in the sampling area.…”

Section: Resultsmentioning

confidence: 99%

“…During the first year (2007) the infection levels ranged from 10 to 60% while in the second year (2008) the infection levels ranged from 8 to 66%. The main Fusarium species 27 and 2001 28 in the main durum wheat growing area of Argentina. According to Kikot et al, 29 using a weather-based predictive model, during the 2007 growing season the weather conditions were adverse for producing FHB infection events in the sampling area.…”

Section: ' Results and Discussionmentioning

confidence: 99%

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Occurrence of Fusarium spp. and Fumonisin in Durum Wheat Grains

Palacios¹,

Ramírez²,

Zalazar³

et al. 2011

J. Agric. Food Chem.

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A survey was carried out to determine Fusarium species and fumonisin contamination in 55 durum wheat (Triticum turgidum L. var. durum) samples collected during two harvest seasons (2007 and 2008) using HPLC and further LC-MS/MS confirmation. All samples showed Fusarium contamination with infection levels ranging from 8 to 66%, F. proliferatum being the species most frequently isolated during 2007 and the second most frequently isolated one during the 2008 harvest season, respectively. Natural contamination with fumonisins was found in both harvest seasons. In 2007, 97% of the samples showed total fumonisin (FB(1) + FB(2)) levels ranging from 10.5 to 1245.7 ng/g, while very low levels of fumonisins were detected in samples collected during 2008. These results could be explained by differences in the amount of rainfall during both periods evaluated. A selected number (n = 48) of F. proliferatum isolates showed fumonisin production capability on autoclaved rice. This is the first report of the presence of natural fumonisins in durum wheat grains.

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