iCEV fungal (review 13)

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What is the proper humidity level to store onions to prevent onion neck rot?

75 percent

Which pesticide is NOT used against early blight?

Azadiractin

Which is NOT considered a non-living agent?

Bacteria

Which type of disease enters the plant through wounds or natural openings?

Bacterial

Which of the following is NOT a treatment for fungal diseases?

Burn surrounding vegetation

Which is NOT a step in the life cycle of a bacteria?

Cell replication

What disease needs a pH below 7.2 in order to grow?

Clubroot

Which of the following conditions is needed for apple scab to occur?

Cool spring weather

Downy mildew thrives in which of the following environmental conditions?

Cool, wet weather

Corn smut can be controlled using which element?

Copper

In which plant is gray leaf spot most common?

Corn

Which of the following crops does verticillium wilt NOT affect?

Corn

Which plant can be affected by boll rot?

Cotton

Which prevention method will NOT protect against powdery mildew?

Crop rotation

Which disease effects seeds before, during and after germination?

Damping off

Which is NOT an environmental condition needed for ergots to form?

Dry soil

Which of the following is NOT a characteristic of cedar-apple rust?

Enters through the root system

Which of the following is NOT an environmental condition of wirestem?

Extreme winds

Gray mold (botrytis) is also referred to as which of the following?

Fruit rot

Which of the following is an appropriate treatment method for corn leaf blight?

Fungicide which contains mancozeb

Which condition is NOT needed for late blight to grow?

High winds

Which landscape plant is affected by phomopsis blight?

Juniper

How can anthracnose be prevented?

Keep foliage dry

Mildews is which of the following?

Mold

Which disease is usually accompanied by a foul odor?

Onion Neck root

Which prevention method is used for crown rot?

Providing adequate soil drainage

How does farsarium wilt enter the plant?

Roots

Which fungicide can be used to treat black rot?

Spectracide Immunox®

Which plant can alternaria leaf spot be found on?

Squash

Charcoal rot has similar symptoms to which other disease?

Stalk rot

Where do the symptoms of soybean rust first appear?

Underside of bottom leaves

Which environmental conditions can cause fursarium stalk rot?

Warm weather, insects, drought

What weather conditions are ideal for corn leaf blight?

Wet, humid conditions

What color are the lesions caused by onion leaf blight?

White

How is rust spread?

Wind


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