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Questions and Answers
How do plant parasitic nematodes contribute to the establishment of secondary pathogens?
How do plant parasitic nematodes contribute to the establishment of secondary pathogens?
- They alter the host's tissue to make it suitable for colonization by secondary pathogens (correct)
- They compete with secondary pathogens for resources
- They physically attack the secondary pathogens
- They produce chemicals that inhibit the growth of secondary pathogens
What role do nematodes play in breaking disease resistance in resistant cultivars of crop plants?
What role do nematodes play in breaking disease resistance in resistant cultivars of crop plants?
- They alter the host's tissue to facilitate the entry of microorganisms (correct)
- They directly attack the resistant cultivars
- They induce a chemical defense in the crop plants
- They weaken the disease resistance in the crop plants
What was observed by Atkinson in 1892 regarding nematode-fungus interaction?
What was observed by Atkinson in 1892 regarding nematode-fungus interaction?
- Nematodes and fungi have no interaction
- Nematodes assist in controlling the spread of fungus
- Nematodes and fungi compete for resources in soil
- Fusarium wilt was more severe in the presence of Meloidogyne spp. (correct)
In the nematode-fungus interaction, what role does the nematode play in assisting the fungus?
In the nematode-fungus interaction, what role does the nematode play in assisting the fungus?
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What is the role of nematodes in the nematode-virus complex?
What is the role of nematodes in the nematode-virus complex?
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What is the mechanism of virus retention in Longidorus?
What is the mechanism of virus retention in Longidorus?
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How do nematodes transmit ring spot viruses?
How do nematodes transmit ring spot viruses?
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How long can the grapevine fan leaf virus persist in X.index?
How long can the grapevine fan leaf virus persist in X.index?
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Which nematode transmits the grapevine fan leaf virus?
Which nematode transmits the grapevine fan leaf virus?
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Where are the virus particles released into the plant cell in Xiphinema?
Where are the virus particles released into the plant cell in Xiphinema?
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