Pathogen Survival and Dissemination Quiz
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Questions and Answers

Seed-borne pathogens can only survive in infected soil and plant parts.

False

Crop monoculture leads to lower disease severity and yield losses.

False

Systemic fungicides act on plant surfaces to protect against infection.

False

Seed treatments can control soil-borne pathogens but not surface-borne or internally-borne pathogens.

<p>False</p> Signup and view all the answers

Fungicide selection should not consider the growth stage of the crop for efficacy.

<p>True</p> Signup and view all the answers

According to Integrated Pest Management principles, growers should integrate as many different management tools as possible for long term success.

<p>True</p> Signup and view all the answers

Necrotic refers to tissue that is dead and discolored.

<p>True</p> Signup and view all the answers

Spores are the reproductive units of bacteria.

<p>False</p> Signup and view all the answers

Mycelium refers to the fruiting bodies of fungi.

<p>False</p> Signup and view all the answers

Viruses are single-celled organisms with a protein coat.

<p>False</p> Signup and view all the answers

Mycoplasmas have a definite shape and a cell wall.

<p>False</p> Signup and view all the answers

Polycyclic pathogens only have one disease cycle in one year.

<p>False</p> Signup and view all the answers

Non-infectious diseases are caused by living parasitic organisms.

<p>False</p> Signup and view all the answers

Excessive water can lead to deficiency and stunting in plants.

<p>True</p> Signup and view all the answers

Frost damage is an example of a non-infectious disease.

<p>True</p> Signup and view all the answers

Infectious diseases are caused by organisms that get their nutrition from the plants.

<p>True</p> Signup and view all the answers

Obligate parasites can live on living or non-living hosts.

<p>False</p> Signup and view all the answers

Facultative parasites are always parasites and can only live on living hosts.

<p>False</p> Signup and view all the answers

Crop sequence is not important in disease management programs.

<p>False</p> Signup and view all the answers

Variety selection does not play a role in resistance to diseases.

<p>False</p> Signup and view all the answers

Inoculum-free seed/plant source is not a factor to consider in disease management programs.

<p>False</p> Signup and view all the answers

Timeliness of harvest has no impact on seed inoculum.

<p>False</p> Signup and view all the answers

Weed control does not contribute to disease management.

<p>False</p> Signup and view all the answers

Inoculum refers to the material that causes infection in plants.

<p>True</p> Signup and view all the answers

Crop rotation is not beneficial for managing diseases.

<p>False</p> Signup and view all the answers

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