Plant Pathology Jeopardy
TREE DISEASES - 1
(undergraduate and graduate students)
Categories: Under Control, 9-Letter Names, Money Money, Tree People, Strange Structures, In Living Color
$100 A fungicide which moves within the plant.
$200 Limiting bark-on firewood is a municipal control for this.
$300 This cultural practice can limit spruce branch canker.
TIMELY REMOVAL OF INFECTED BRANCHES
$400 Long distance dissemination of this vascular wilt can be limited by indexing of planting stock.
$500 This orchard disease can be controlled by a single spray at bud break.
PEACH LEAF CURL
$100 This fungus causes branch cankers.
$200 This fungus causes perennial target canker.
$300 This fungus causes a very common disease of Prunus.
$400 This fungus produces apothecia from fruit mummies.
$500 This fungus causes the most common canker of trembling aspen.
$100 Losses to this disease limit the distance ripe peaches can be shipped.
$200 This disease is the limiting economic factor in pear growing in the eastern U.S.
$300 This term describes when the cost of control equals the loss.
$400 This disease destroyed an important forest products industry in the southeastern U.S. in the 1930's.
$500 According to the U.S. Forest Service this is the annual cost per tree of a successful DED control program in midwestern cities.
$100 This Syracuse University professor wrote a forest pathology textbook.
$200 This pathologist first devised a system to predict infection risk using weather.
$300 This Cornell tree pathologist published a book of color pictures of tree diseases.
$400 This Illinois pathologist did most of the early work on wetwood.
$500 This 19th century German is considered the father of Forest Pathology.
$100 This structure occurs when apical dominance is lost.
$200 This perennial structure forms a one-sided distortion on trunks of trees including maple, birch and oak.
$300 This tree hosts a gnarly growth caused by a fungus and a mite.
$400 These tiny animals cause bright red swollen patches on leaves of maple.
$500 This structure is believed to be the infection court for Aspen canker.
IN LIVING COLOR
$100 This peach disease affects fruit, flowers and twigs.
$200 This disease is very common on plum.
$300 This disease kills coconut palms.
$400 The name for this red-brown color is taken from the tree almost made extinct by an introduced disease.
$500 This important apple disease is also known as frog eye leafspot.
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Updated: July 7, 2001