Table 10-1. Frequency of tall fescue fields infested with various plant-parasitic nematodes.
Nematode |
Genus |
North Carolina† |
Alabama‡ |
Arkansas§ |
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|
|
---------- % ---------- |
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Stubby-root nematode |
Paratrichodorus |
50 |
53 |
12 |
|||
Stunt nematode |
Tylenchorhynchus |
45 |
18 |
27 |
|||
Spiral nematode |
Helicotylenchus |
45 |
78 |
0 |
|||
Dagger nematode |
Xiphinema |
45 |
51 |
0 |
|||
Lance nematode |
Hoplolaimus |
25 |
13 |
2 |
|||
Ring nematode |
Mesocriconema |
5 |
- |
2 |
|||
Pin nematode |
Paratylenchus |
5 |
9 |
5 |
|||
Lesion nematode |
Pratylenchus |
0 |
11 |
11 |
|||
Root-knot nematode |
Meloidogyne |
- |
7 |
2 |
|||
Cyst nematode |
Heterodera |
- |
6 |
0 |
|||
† Soil samples from 40 field sites were collected in 1959 and 1960 (McGlohon et al., 1961). ‡ Soil samples from 87 and 86 field sites were collected in 1982 and 1983, respectively. Percentages are the means of the 2 yr (Pedersen and Rodriguez-Kabana, 1984). § Percentages are the means of 32 samples collected in Fayetteville and 34 samples collected in Hope, AR in 2006 (Olivera and West, personal communication, 2007). |
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