Abstract
Hai Duong province is the largest specialized area on the carrot production in Northern Vietnam. Recently, some papers reported about symptom of plant parasitic nematodes appeared in carrot cultivated areas, that causes damage to carrot production. i.e. both quantity and quality are decreased. Based on results of the survey carried out in 2015 at two carrot planted areas, viz. Cam Giang and Nam Sach, Hai Duong province, 17 plant parasitic nematode species of 11 genera, 8 families and 3 orders of the parasitic nematodes, such as Tylenchida, Dorylaimida and Triplonchida were recorded. There are some differences on the specific composition as well as parasitic density of plant parasitic nematodes betweent carrot in Hai Duong and Lam Dong province. However, in both areas there are four parasitic groups appearred, viz. root-knot nematodes, lesion nematodes, root ectoparasitic nematodes and virrus vector nematodes. The presence of root-knot nematodes, lesion nematodes is related to damaged symptom in carot, such as multiple branched root, fork deformities (55.56%), root-knot (33.33%) and shorted root (5.56%).
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Claims 7
Claim · model-written summary
The survey recorded 17 nematode species across 11 genera, eight families and three orders.
Not reportedTaxon
Verbatim
e0“17 plant parasitic nematode species of 11 genera, 8 families and 3 orders of the parasitic nematodes, such as Tylenchida, Dorylaimida and Triplonchida were recorded.”
Claim · model-written summary
Nematode species composition and density differed between Hai Duong and Lam Dong.
- Taxon
- carrot
Daucus carotae0 - Interactor
- plant parasitic nematodese0pest
- Outcome
- specific composition as well as parasitic density of plant parasitic nematodese0
- Setting
- Hai Duong and Lam Dong provincee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“There are some differences on the specific composition as well as parasitic density of plant parasitic nematodes betweent carrot in Hai Duong and Lam Dong province.”
Claim · model-written summary
Four parasitic groups occurred in both areas.
- Outcome
- four parasitic groupse0
Not reportedTaxon
Verbatim
e0“in both areas there are four parasitic groups appearred, viz. root-knot nematodes, lesion nematodes, root ectoparasitic nematodes and virrus vector nematodes.”
Claim · model-written summary
Root-knot and lesion nematode presence was related to damaged carrot roots.
Not reportedDirection
Verbatim
e0“The presence of root-knot nematodes, lesion nematodes is related to damaged symptom in carot, such as multiple branched root, fork deformities (55.56%), root-knot (33.33%) and shorted root (5.56%).”
Claim · model-written summary
Fork deformities occurred at 55.56%.
Not reportedTaxon
Verbatim
e0“fork deformities (55.56%)”
Claim · model-written summary
Root knots occurred at 33.33%.
Not reportedTaxon
Verbatim
e0“root-knot (33.33%)”
Claim · model-written summary
Shortened roots occurred at 5.56%.
Not reportedTaxon
Verbatim
e0“shorted root (5.56%)”