Ornamental & Turf Practice Test Study Guide
Graded A+
1). What 3 general conditions are required for a disease to develop?
Ans: Host Plant, Virulent Pathogen & Environment
2). A fungicide is:
Ans: Toxic to fungi
3). Powdery mildew can be described as:
Ans: A white covering on plant leaves
4). Fungi reproduce by:
Ans: spores
5). Bacteria reproduce by:
Ans: division
6). Conditions that favor the development and spread of brown patch include:
Ans: High Humidity, Temperatures 75 degrees and above & excessive nitrogen.
7). Conditions that favor the development of leaf spot on turf grass include:
Ans: High nitrogen, temps from 55 to 70 degrees.
8). Conditions that favor the development of gray snow mold include:
Ans: High nitrogen and temps from 32 to 45 degrees.
9). Many plant diseases develop during cool, wet conditions. this is because:
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, Ans: Spores need moisture to germinate
10). Signs of disease include:
Ans: Mycelium & Bacterial ooze
11). Symptoms of a disease include:
Ans: Wilts, galls, witches broom & stunting.
12). To control sooty mold:
Ans: Apply an insecticide
13). The following diseases are caused by fungi:
Ans: Apple scab, dogwood anthracnose, and juniper twig blight.
14). The following are examples of abiotic diseases:
Ans: Nutrient imbalance and winter injury.
15). The greatest pesticide hazard to an applicator is from -
Ans: dermal exposure
16). If there is no "signal word" on the label, the toxicity category is -
Ans: "Relatively non-toxic"
17). No pesticide may be bought, sold, or used in the state until it has -
Ans: federal and state registration
18). Should a pesticide poisoning occur, it is important that the doctor know -
Ans: Which pesticide and chemical family is involved.
19).
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Graded A+
1). What 3 general conditions are required for a disease to develop?
Ans: Host Plant, Virulent Pathogen & Environment
2). A fungicide is:
Ans: Toxic to fungi
3). Powdery mildew can be described as:
Ans: A white covering on plant leaves
4). Fungi reproduce by:
Ans: spores
5). Bacteria reproduce by:
Ans: division
6). Conditions that favor the development and spread of brown patch include:
Ans: High Humidity, Temperatures 75 degrees and above & excessive nitrogen.
7). Conditions that favor the development of leaf spot on turf grass include:
Ans: High nitrogen, temps from 55 to 70 degrees.
8). Conditions that favor the development of gray snow mold include:
Ans: High nitrogen and temps from 32 to 45 degrees.
9). Many plant diseases develop during cool, wet conditions. this is because:
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, Ans: Spores need moisture to germinate
10). Signs of disease include:
Ans: Mycelium & Bacterial ooze
11). Symptoms of a disease include:
Ans: Wilts, galls, witches broom & stunting.
12). To control sooty mold:
Ans: Apply an insecticide
13). The following diseases are caused by fungi:
Ans: Apple scab, dogwood anthracnose, and juniper twig blight.
14). The following are examples of abiotic diseases:
Ans: Nutrient imbalance and winter injury.
15). The greatest pesticide hazard to an applicator is from -
Ans: dermal exposure
16). If there is no "signal word" on the label, the toxicity category is -
Ans: "Relatively non-toxic"
17). No pesticide may be bought, sold, or used in the state until it has -
Ans: federal and state registration
18). Should a pesticide poisoning occur, it is important that the doctor know -
Ans: Which pesticide and chemical family is involved.
19).
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