The fungus produces spores under warm, humid conditions with heavy dews (77-86⁰F; >90% RH). Spores are spread to new plants by wind and rain where they infect foliage. Symptoms are produced within 14 ...

Gray leaf spot, caused by the fungus Cercospora zeae maydis is the most significant yield-limiting disease of corn worldwide [1]. The disease was first reported in Illinois in 1924, and has increased ...

Manage this disease by keeping your orchard clean. If your tree suffered total leaf loss for several years, consider using a fungicide to protect your tree. In Minnesota, leaf spot can be found in ...

Effective Control Of Gray Leaf Spot: Fungicides And Preventative Measures To eliminate gray leaf spot, fungicide application ...

Annually reapply mulch and inspect to ensure levels are maintained. Do not fertilize trees and shrubs with leaf spot diseases unless a soil test recommends it to correct a nutrient deficiency.

When it comes to fungicide, critically examine your opportunity for yield increases to determine whether two, one or any application is needed. “With what we’re dealing with now we have the ...

Note: Sporulation may not occur in recently sprayed crops. Across the growing season, one or two light leaf spot fungicide sprays are usually applied. In a high-risk situation (e.g. early sown ...

Our fungicide performance trials provide independent information on the relative efficacy of fungicides against phoma stem canker, light leaf spot and sclerotinia stem rot in winter oilseed rape. This ...

If your traditional approach to fungicide applications ... Gentle says factors that favor tar spot development include: • Cool, prolonged period of leaf wetness (more than 7 hours).

What might look like tan spot or septoria on winter wheat could be physiological leaf spot (PLS). Diagnosis of PLS can be difficult as there are a variety of symptoms. Often, it is diagnosed in ...