Associations between anther extrusion and Fusarium Head Blight in European wheat
Until now, testing for resistance to FHB in cereals has been expensive and affected by differences in environmental conditions. Rapid screening methods are needed. Recently it was discovered that in wheat good extrusion of anthers (AE) is associated with high resistance to FHB. In one genetic study a fan-shaped pattern was found: The variation and level of FHB/DON was reduced when AE increased. In order to verify these results, 69 varieties of winter wheat from Germany and Scandinavia and 136 varieties of spring wheat from GRAMINOR breeding in Norway were tested for AE and resistance to FHB and DON. The fan-shaped distribution was found also here. Accordingly, AE is recommended as a new and inexpensive screening method for low FHB. When sufficient moisture is available in the period before flowering and wind do not remove anthers, field selection for AE could be made, in other cases greenhouse selection is recommended.
KeywordsWheat Fusarium Head Blight DON anther extrusion
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