Leaf Blotch Diseases of Wheat Quiz Leaf Blotch Diseases of Wheat Quiz Take the Quiz! Get a perfect score! Earn the medallion! Questions may have more than one correct answer. Be sure to select all answers that are correct. If you don't get a perfect score, you can take the quiz again until you do! Please provide your email address to receive your digital medallion. Reference: Leaf Blotch Diseases of Wheat Fact Sheet.Email(Required) 1) Leaf blotch diseases are caused not by a single pathogen but by a group of pathogens. These diseases can affect not only wheat but other small grains as well.(Required) true false 2) Leaf blotch diseases tend to be favored by hot, wet, windy conditions.(Required) true false 3) Symptoms and signs caused by leaf blotch diseases can include(Required) stunting premature bleaching of spikelets on otherwise green seed heads yellow leaf flecking uniform leaf yellowing blocky or oval necrotic (i.e., dead) leaf spots with or without yellow haloes root rots yield losses none of the above 4) Leaf blotch diseases are caused by(Required) bacteria fungi water molds phytoplasmas nematodes viruses none of the above 5) Leaf blotch pathogens readily survive in debris from previously infected plants.(Required) true false 6) Survival of leaf blotch pathogens is enhanced through their production of long-lived resting spores called ascospores.(Required) true false 7) Cultural (i.e., non-chemical) controls that are useful in managing leaf blotch diseases include use of resistant varieties, crop rotation, proper crop debris management, and eradication of volunteer wheat plants.(Required) true false 8) Preventative fungicide sprays can be a useful tool in the management of leaf blotch diseases. In areas with a history of these diseases, growers should apply fungicides every year.(Required) true false Δ
