rust

Fungicide Efficacy for Control of Corn Diseases in Ontario (Corn Disease Working Group)

Albert TenutaAlbert Tenuta July 11, 2012 3064 Comments Off on Fungicide Efficacy for Control of Corn Diseases in Ontario (Corn Disease Working Group)
Corn

The hot, dry weather conditions to date have not been very conducive to foliar leaf diseases across most of the province.  In most cases, besides high relative humidity, prolonged wet conditions on the leaves are necessary for infection but only under favourable temperatures (16-30oC).  What has started to show recently in the southwest are the first common rust pustules but…

Fungicides for Managing Wheat Foliar Diseases and Fuarium Head Blight

Albert TenutaAlbert Tenuta May 14, 2012 2609 Comments Off on Fungicides for Managing Wheat Foliar Diseases and Fuarium Head Blight
Diseases

  There are many different diseases which are caused by various fungal pathogens that affect cereals in Ontario. The foliar diseases (powdery mildew, leaf rust, Septoria leaf spot, Septoria (Stagonospora) glume blotch and tan spot) and Fuarium Head Blight (FHB) can cause significant yield losses if not managed correctly.  Although these diseases occur in all wheat producing areas of the…