Plant Pathology Jeopardy
DISEASES OF HORTICULTURAL
CROPS - 1
(undergraduate and graduate students)
Categories: Wilts, Out D--- Spot, Vectors, Tater Topics, In Living Color, Seeds
$100 This soil-borne wilt pathogen has a very wide host range.
$200 One of the crops in which fusarium wilt is called yellows.
$300 The type of resting structures formed in host tissue by the wilt fusaria.
$400 Term for the internal cell water pressure whose loss results in the wilt symptom.
$500 One of two wilts whose severity can be predicted by the mid winter average temperatures.
STEWARTS WILT, CUCUMBER WILT
OUT D--- SPOT
$100 Two of the several genera of fungi which cause more or less round discrete spots on leaves - usually with a pale center dark or purple margin.
ASCOCHYTA, SEPTORIA, CERCOSPORA, PHYLLOSTICTA
$200 Way in which genera of powdery mildews can be distinguished.
APPENDAGES ON CLEISTOTHECIA
$300 One of two types of fungus fruiting bodies often seen as small specks in summer leaf spots.
$400 Term for a yellow zone surrounding a leaf spot.
$500 Yellow bacterium causing leaf blights of geranium, beans and other crops.
$100 Type of insect vectoring MLOs.
$200 Two of the groups of insects known to vector viruses.
APHIDS, WHITEFLIES, THRIPS, LEAFHOPPERS, BEETLES
$300 Two vectors of "soil-borne" viruses.
$400 The main vector of viruses in commercial greenhouse crops.
$500 Insects which vector bacterial wilts.
$100 Disease which is one of the few caused by an actinomycete.
$200 Leaf disease caused by a water mold that thinks it's a downy mildew.
$300 Two vascular wilts caused by soil-borne fungi.
VERTICILLIUM WILT, FUSARIUM WILT
$400 Pathogen causing stem rot and black scurf.
$500 A systemic infection caused by a gram-positive bacterium.
IN LIVING COLOR
$100 Color of pustules caused by Albugo.
$200 Name of fruit rot caused by Botrytis.
$300 Most common fruit rot caused by Penicillium.
$400 Color of carrot leaves on plants infected with aster yellows.
$500 Phytophthora rot of taproot of strawberry.
$100 Seed catalogs list more disease resistant varieties of this vegetable than any other.
$200 The letters VF and VFN after a vegetable variety name mean this.
RESISTANT TO VERTICILLIUM, FUSARARIUM WILTS and NEMATODES
$300 Three of the diseases for which seed potatoes are certified.
BLACK LEG, RING ROT, VERTICILLIUM, PVY, SPINDLE TUBER
$400 Non-chemical treatment used to eradicate pathogens from seed.
$500 A seed-borne virus and a vegetable crop in which it is at a high level.
BCMV in SNAP BEANS, SqMV in MELON & SQUASH, TmRSV in TOMATO
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Updated: July 7, 2001