15 Most Recent Plant Pathology Articles
Does Early-Stage Corn Need a Fungicide Application?
Common questions and their answers are provided on applying foliar fungicide to early-stage corn. May 10, 2012
Consider Risk of Sudden Death Syndrome When Planting Soybeans Early
Planting soybean early when soil temperatures remain cool increases concern about sudden death syndrome. It is important that the most SDS-resistant varieties be planted in situations that favor the disease. April 27, 2012
Stripe Rust of Wheat Update
Stripe rust of wheat has been seen in southern Illinois; growers there need to scout, as fields are heading and beginning to flower. Scouting is likewise important throughout the state, as the disease will continue moving northward if favorable conditions (cool to moderate temperatures) persist. April 27, 2012
Stripe Rust of Wheat Update
Stripe rust of wheat has been observed in several counties of southern Illinois. In some cases, stripe rust is present only on lower leaves, while in other cases stripe rust is present on the flag leaf. It is important that fields be scouted for stripe rust. April 20, 2012
Symptoms of Wheat Viruses Present in Illinois Wheat Fields
It can be very difficult to diagnose viral diseases, and going by symptoms alone often results in misdiagnosis. Be sure to use a diagnostic lab that runs virus-specific assays. For the best management of wheat viruses, plant varieties with high levels of resistance. April 20, 2012
Fusarium Head Blight (Scab) of Wheat--Risk Assessment and Management
Wheat plants that are beginning to head out and flower are susceptible to infection by the fungus causing scab, which can reduce yield, test weight, and quality in addition to producing toxins that contaminate grain. April 20, 2012
Stripe Rust of Wheat Moving Northward
With stripe rust of wheat having been reported in southeastern Missouri and in Arkansas this spring, producers should scout wheat fields for the disease. April 6, 2012
More Strobilurin Fungicide-Resistant Strains of the Causal Agent of Frogeye Leaf Spot of Soybean
Western Tennessee, western Kentucky, and southern Illinois all have confirmed identification of strains of the soybean frogeye leaf spot fungus resistant to strobilurin fungicides. Management tactics are described. October 7, 2011
Be on the Lookout for Charcoal Rot in Dry Areas
Charcoal rot is being seen in Illinois soybean fields in areas that have been hot and dry. Management requires an integrated approach. September 9, 2011
Managing Fusarium Head Blight of Wheat (Scab) with Variety Selection
Growing scab-resistant wheat varieties is probably the most important of several key practices to avoiding the destructive development of Fusarium head blight. September 9, 2011
Ear Molds in 2011
This year's hot, dry weather has favored Aspergillus and Fusarium ear molds. Detection is important because of the fungi's production of toxic mycotoxins. September 9, 2011
Physoderma Brown Spot of Corn
Some Illinois cornfields have developed Physoderma brown spot, which can be confused with purple leaf sheath. August 5, 2011
Soybean Fungicide Considerations
Strains of the frogeye leaf spot pathogen resistant to strobilurin fungicides have been identified in Illinois, Kentucky, and Tennessee. Recommendations for control of frogeye leaf spot are outlined. July 29, 2011
Goss's Wilt of Corn
Symptoms of Goss's wilt look like several other foliar diseases; send any suspicious samples to a diagnostic lab for identification. Foliar fungicides do not control Goss's wilt. July 15, 2011
White Mold Q&A
White mold, also known as Sclerotinia stem rot, is the source of many recent questions from producers. July 8, 2011