What is a potato late blight disease?
Potato blight, disease of potato and tomato plants that is caused by the water mold Phytophthora infestans. The disease occurs in humid regions with temperatures ranging between 4 and 29 °C (40 and 80 °F). Hot dry weather checks its spread.
Why is it called Late blight?
Found on tomato and potato plants, late blight is caused by the fungus Phytophthora infestans and is common throughout the United States. True to its name, the disease occurs later in the growing season with symptoms often not appearing until after blossom.
What is the cause of a potato late blight disease?
Late blight is caused by the oomycete Phytophthora infestans. Oomycetes are fungus-like organisms also called water molds, but they are not true fungi.
What is Corn Leaf Disease?
Another term for that disease is Northern Corn Leaf Blight
Infection begins first on lower leaves and as the season progresses the disease can be found in the upper canopy of the plant. Lesions may form in bands across leaves as a result of an infection in the whorl. The disease is favored by high humidity and moderate temperatures.
What is the cause of Corn Leaf Disease?
Northern corn leaf blight is caused by another fungus that overwinters in infested crop debris. The tan lesions can be small to very large and elliptical in shape, usually with smooth round ends.
Why is it called Corn Leaf Disease?
Northern corn leaf blight (NCLB) is a foliar disease of corn (maize) caused by Exserohilum turcicum, the anamorph of the ascomycete Setosphaeria turcica. With its characteristic cigar-shaped lesions, this disease can cause significant yield loss in susceptible corn hybrids.
