Phosphorus Supply Does Not Affect Fusarium Crown Rot of Winter Wheat

Fusarium crown rot (FCR) is a major limitation to the wheat (Triticum aestivum L.) industry in the inland Pacific Northwest, United States. Genetic resistance to FCR is poorly understood and major gene resistance is not available in adapted cultivars. Chemical control is ineffective and crop rotatio...

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Bibliographic Details
Published in:PhytoFrontiers 2021-12, Vol.1 (4), p.354-358
Main Authors: Hagerty, C. H., McLaughlin, K. R., Kroese, D. R., Lutcher, L. K.
Format: Article
Language:English
Subjects:
disease control and pest management
disease resistance
dryland winter wheat
fungal pathogens
Fusarium crown rot
Fusarium pseudograminearum
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Summary:Fusarium crown rot (FCR) is a major limitation to the wheat (Triticum aestivum L.) industry in the inland Pacific Northwest, United States. Genetic resistance to FCR is poorly understood and major gene resistance is not available in adapted cultivars. Chemical control is ineffective and crop rotations, which disrupt cycles of the disease, are not feasible in the region’s precipitation-limited climate. Cultural control methods are the only realistic option for farmers who struggle to minimize the impact of this disease. It is well established that FCR is favored by moisture-limited environments and an oversupply of plant-available nitrogen in soil. Effects of the supply of phosphorus in soil have not been clearly delineated. We conducted a 2-year FCR experiment at two locations in the low-precipitation zone (
ISSN:2690-5442
2690-5442
DOI:10.1094/PHYTOFR-01-21-0010-R