Plant Pathology and Disease Management Quiz

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What is one way that plants naturally defend against pathogens?

Producing toxins that kill pathogens

Building physical barriers to prevent pathogen invasion

Releasing beneficial insects that eat pathogens

Dropping infected fruits or leaves (correct)

What can cause stress to plants and reduce their ability to inhibit pathogen invasion and growth?

Suboptimal soil pH, nutrient balance, and water availability (correct)

Optimal soil pH

Optimal water availability

Optimal nutrient balance

How do many pathogens gain entry into plants?

Through the roots

Through the stem

Through natural openings in the plants or wounds (correct)

Through the leaves

What are some ways that plants have evolved to control pathogens in their natural environment?

Plants can drop infected fruits or leaves to control pathogens in their natural environment. Signup and view all the answers

What factors can cause stress to plants and reduce their ability to inhibit pathogen invasion and growth when grown for horticultural or agricultural purposes?

Soil pH, nutrient balance, and water availability can cause stress to plants and reduce their ability to inhibit pathogen invasion and growth. Signup and view all the answers

How do many pathogens gain entry into plants when grown for horticultural or agricultural purposes?

Many pathogens gain entry through natural openings in plants, such as stomates, or wounds caused by insect bites or other damage due to hail, wind, or pruning. Signup and view all the answers

Plants have evolved unique ways to keep pathogens in check, such as the __________ of infected fruits or leaves.

abscission Signup and view all the answers

Pathogens that were not considered a problem previously may become significant when plants are grown in higher __________.

densities Signup and view all the answers

Many plant pathogens gain entry through natural openings in the plants, such as __________ or wounds caused by insect bites.

stomates Signup and view all the answers

Plant Pathology and Disease Management Quiz

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Questions and Answers

What is one way that plants naturally defend against pathogens?

What can cause stress to plants and reduce their ability to inhibit pathogen invasion and growth?

How do many pathogens gain entry into plants?

What are some ways that plants have evolved to control pathogens in their natural environment?

What factors can cause stress to plants and reduce their ability to inhibit pathogen invasion and growth when grown for horticultural or agricultural purposes?

How do many pathogens gain entry into plants when grown for horticultural or agricultural purposes?

Plants have evolved unique ways to keep pathogens in check, such as the __________ of infected fruits or leaves.

Pathogens that were not considered a problem previously may become significant when plants are grown in higher __________.

Many plant pathogens gain entry through natural openings in the plants, such as __________ or wounds caused by insect bites.

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