Correct option is B
Xiphinema is an ectoparasitic nematode that feeds externally on plant roots.
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Which one of the following nematodes is an ectoparasite?
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- 1)Which of the following is the most important quarantine nematode pest of potato?
- 2)Heterodera sp. is known as
- 3)Seed gall nematode causes heavy damage to
- 4)Which one of the following nematodes attack above-ground plant parts?
- 5)Infection of banana plants by burrowing nematode Radopholus similis predisposes the plants to infection of:
- 6)Spreading decline of citrus is caused by:
- 7)Which one of the following nematodes is an ectoparasite?
- 8)Trap crop for Meloidogyne spp. is:
- 9)The nematodes, as a rule, are bisexual existing as separate:
- 10)The majority of phytophagous nematodes are?
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