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What name can the virus particle be given based on its molecular composition? A protein? A Nucleic acid?
It is a nucleoprotein.
What can Plant viruses can be transmitted by?
How is the true and apparent plant pathogen resistance different?
True: through R-gene, not dep. on environment
What means "+" when describing an RNA virus?
the "+" refers to the direction of the genome, where + refers to the readable, mRNA format. - would correspond to an unreadable antisense format
What is the most important route of plant virus transmission?
Insect transmission
What was one of the first methods to get rid of a plant virus -> get a virus free plant?
By meristem culture.
Which parts of a virus are critical end can be sufficient for infection?
Only the genome!
How does the TMV move through the infected plant?
With insects that are able to transmitt persistent transmission or circulative transmission, where does the virus stay?
It enters the salivary glands and is transmitted via the saliva.
What are 4 of the tools that are used in a regulatory manner to control plant virus diseases?
What means "stylet borne", when it comes to plant viruses? Why is this form of transmission "non-persistent"?
It means, that the virus is carried over by the stylets, the chewing tools of the insect. Because this contamination is very superficial and the virus does not use the insect as a host, the contamination is rather transient and is not "persistent"
What makes a virus "well adapted"?
That it deos not show any symptoms.
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