Fusarium ear disease in winter wheat [in Belgium]
1997
Wittouck, D. (Provinciaal Onderzoek- en Voorlinchtingscentrum voor Land- en Tuinbouw, Rumbeke-Beitem (Belgium))
In summer 1997 there was an important attack of Fusarium diseases on the ear in winter wheat in Belgium. According to the Station of Phytopathology in Gembloux mainly the Fusarium species Microdochium nivale was present on the ear in Belgium in 1997. Trials executed through the Provincial Centre for Agriculture and Horticulture in Rumbeke-Beitem, proved that, in case of a high level of ear attack by Fusarium spp., important yield losses can occur. Differences are found in the susceptibility of winter wheat cultivars to ear attack with Fusarium spp. Cultivar research carried out in the Flemish part of Belgium in 1997 showed that Hussar and Vivant were the most healthy cultivars with regard to ear attack with Fusarium spp. On the contrary Record, Rialto, Ritmo and Charger were affected most. A high humidity or a long rainy period round about the ear stage, can give the occasion to include Fusarium disease control during the treatment in the stage emergence of ear complete until the beginning of flowering. Concerning the fungicides, Amistar (azoxystrobin 250 g per l) at 1 l per ha, as well as Allegro (expoxiconazol 125 g + kresoxim-methyl 125 g per l) at 1 l per ha became the best results in trials carried out by the Provincial Centre for Agriculture and Horticulture in Rumbeke-Beitem in 1997.
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