Plant Pathology Jeopardy
TURF DISEASES (2-yr. ag-tech students)
Categories: (choose 6): Spray It!, Microscopic Wonders, Diagnosis, Colorful Diseases, Survival Strategies, Environmental Concerns, Sports
$100 Direction most systemic fungicides move.
$200 Most common disease for which fungicide resistance is a problem.
$300 Name one sterol inhibitor/DMI fungicide.
several correct answers
$400 Name one disease that requires a penetrant/systemic fungicide.
several correct answers
$500 New fungicide in the strobilurin chemical group.
$100 Structure on the mycelium that tells you the fungus is a Basidiomycete.
$200 Black hair-like setae tell you itís this disease.
$300 Right-angled branching of the mycelium is characteristic of this fungus.
$400 Vase-like contained with conidia inside.
$500 Some important leaf spot diseases are caused by this fungus whose spores germinate only from the 2 tips.
$100 High nitrogen, hot, humid weather, large patches, smoke ring.
$200 Low nitrogen, compaction, late summer, orange, powdery spores.
$300 Low nitrogen, warm temperatures, white mycelium.
$400 Compacted soil, low nitrogen, tiny black hair-like structures.
$500 Hot weather, low mowing heights, compaction, Poa annua.
COLORFUL DISEASES (choose 5)
$100 This white fungus is common in shady areas.
$200 Another name for Fusarium patch.
PINK SNOW MOLD
$200 Common in late summer and fall, this disease is identified by the orange, powdery spores.
$300 A disease that causes extra greening of the turf.
$400 The streaks of black, powdery spores give the disease its name.
$400 This is not a disease but it may look like one- bright colors, slimy or powdery.
$500 This minor Oomycete disease is common in cool, wet weather.
$100 This build-up of dead plant material in turf is a great hiding place for pathogens.
$200 Survival structures for most tip blight fungi.
FRUITING BODIES (also pycnidia, pseudothecia)
$300 Thick-walled sexual spores of Oomycetes.
$400 How Typhula oversummers before growing into new gray snow mold.
$500 How rust spores survive the winter.
$100 In wet weather, this fungus is the most common cause of damping-off.
$200 A disease that is more severe at high N fertility.
PYTHIUM BLIGHT, BROWN PATCH, LEAF SPOT, ETC.
$300 A disease that is more severe at low N fertility.
RED THREAD, DOLLAR SPOT, ETC.
$400 Type of N fertilizer that may help reduce take-all patch.
$500 Similar to dollar spot, this disease is mostly found on acid soils in coastal areas.
$100 Since baseball players chew rather than smoke tobacco, we shouldnít see the smoke ring of this summer disease at (name your local baseball park).
$200 Famous basketball player whose first name is a symptom.
$300 Only the best golfers should be allowed to use this fungicide.
$400 Fencers prefer this fungicide.
$500 This hot weather leaf spot fungus is a favorite of baseball.
[Real sports fans - please help contribute better sports-related questions!]
FINAL JEOPARDY QUESTION
What cultural practice will reduce summer patch, anthracnose, dollar spot, and nematodes?
RAISE THE MOWING HEIGHT OR REDUCE COMPACTION
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Updated: July 7, 2001