First report and new molecular and morphological characterizations of root-knot nematode, Meloidogyne javanica , infecting ginger and long coriander in Vietnam
, , , und | 01. Jan. 2021
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Online veröffentlicht: 01. Jan. 2021
Seitenbereich: 1 - 8
DOI: https://doi.org/10.21307/jofnem-2021-011
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© 2021 Authors, published by Sciendo.
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.
Figure 1:
Figure 2:
Morphometric data of Meloidogyne javanica from different populations.
| Population from ginger in Vietnam | Population from long coriander in Vietnam | Population from sugar cane in Indonesia ( |
Population from tomato in Iran ( |
|||||
|---|---|---|---|---|---|---|---|---|
| Diagnostic characters | J2 | Female | J2 | Female | J2 | Female | J2 | Female |
|
|
20 | 10 | 20 | 10 | 25 | 20 | 50 | 15 |
|
|
395 ± 18.7 (341-418) | 693 ± 110 (570-882) | 402 ± 42 (300-521) | 554 ± 31 (522-584) | 417 ± 22 (387-459) | 657 ± 67 (541-804) | 464 ± 19 (429-497) | 686 ± 127 (506-1.01) |
| Lip height | 2.6 ± 0.2 (2.2-2.9) | 2.7 ± 0.6 (1.9-3.9) | 2.9 ± 0.4 (2.2-4.1) | 3.3 ± 0.3 (2.9-3.6) | – | – | – | – |
| Lip width | 3.7 ± 0.4 (3.2-4.7) | 6.3 ± 1.2 (4.6-8.6) | 4.1 ± 0.4 (3.2-5.0) | 6.2 ± 0.9 (5.2-7.7) | – | – | – | – |
| Stylet | 11.3 ± 0.8 (9.9-12.5) | 16.2 ± 0.7 (15.1-17.2) | 11.0 ± 0.8 (9.0-13.2) | 15.0 ± 1.7 (12.6-17.3) | 10.4 ± 0.5 (9.4-11.4) | 15 (14-18) | 10 ± 0.5 (9-12) | 15 ± 2 (13-18) |
| DGO | 3.0 ± 0.4 (2.4-3.8) | 5.1 ± 1.2 (3.0-6.6) | 3.3 ± 0.6 (2.4-5.3) | 6.1 ± 0.5 (5.5-6.6) | – | 3 (2-5) | 2.2 ± 0.5 (1.5-3.7) | 3.1 ± 0.6 (2.0-3.9) |
| Distance from anterior end to median bulb | 54.3 ± 2.5 (50-59) | – | 53 ± 6.8 (39-74) | – | – | – | – | – |
| Distance from anterior end to pharyngo-intestinal junction | 84 ± 5.0 (76-92) | – | 76 ± 10.7 (53-98) | – | – | – | – | – |
| Distance from anterior end to excretory pore | 82 ± 6.5 (65-94) | 34 ± 3.2 (29-40) | 80 ± 8.0 (60-98) | 38 ± 5.8 (34-48) | – | – | – | 190 ± 30 (145-270) |
| Maximum body diameter | 14.3 ± 0.8 (12.7-15.9) | 445 ± 1,123 (269-602) | 13.1 ± 1.8 (8.8-17.2) | 271 ± 35 (237-306) | – | 431 ± 63 (311-581) | 15 ± 1.5 (12-18) | 420 ± 99 (274-568) |
| Body diameter at anus | 10.3 ± 0.8 (9.0-11.2) | – | 9.7 ± 1.0 (7.3-12.0) | – | – | – | – | – |
| Tail length | 50 ± 4.2 (42-57) | – | 48 ± 6 (31-63) | – | 49 ± 4 (36-56) | – | 55 ± 5 (40-66) | – |
| Hyaline | 13 ± 2.2 (9.1-17) | – | 13.7 ± 2.0 (9.1-17) | – | – | – | 13 ± 4 (7-20) | – |
| Distance from anterior end to end of pharynx | 165 ± 14.6 (135-183) | – | 150 ± 20 (103-210) | – | – | – | 193 ± 23 (90-216) | – |
|
|
28 ± 1.8 (24-32) | 1.6 ± 0.3 (1.2-2.1) | 31.1 ± 4.9 (22-50) | 2.1 ± 0.1 (1.9-2.2) | 30.6 ± 2.07 (27.1-35.9) | – | 31 ± 3 (25-39) | 1.7 ± 0.4 (1.2-2.6) |
|
|
4.8 ± 0.4 (3.7-5.4) | – | 5.4 ± 0.6 (3.7-7.2) | – | 2.42 ± 0.291 (2.1-3.35) | – | 5.2 ± 1.4 (4.3-12.4) | – |
|
|
2.4 ± 0.3 (2.0-3.1) | – | 2.7 ± 0.4 (2.0-3.6) | – | – | – | 2.5 ± 0.5 (2.0-5.2) | – |
|
|
8.0 ± 0.6 (7.3-9.4) | – | 8.4 ± 1.0 (6.8-10.8) | – | 8.5 ± 0.68 (7.3-11.1) | – | 8.5 ± 0.8 (7.2-11.3) | – |
|
|
4.8 ± 0.5 (3.8-5.9) | – | 4.9 ± 0.6 (3.8-6.9) | – | – | – | 5.7 ± 0.5 (4.7-7.2) | – |
| Neck length | – | 204 ± 50 (139-279) | – | 272 ± 36 (235-307) | – | – | – | 259 ± 87 (153-540) |
| Ratio of body length to length of neck | – | 3.6 ± 0.8 (2.0-4.6) | – | 2.1 ± 0.2 (1.9-2.2) | – | – | – | – |
| Vulva slit length | – | 18.4 ± 1.9 (15.6-21.6) | – | 19.8 ± 1.0 (18.2-20.9) | – | – | – | 21 ± 3 (15-27) |
| Vulva–anus distance | – | 15.2 ± 1.0 (13.1-16.2) | – | 16.4 ± 1.0 (15.6-18.0) | – | – | – | 16 ± 4 (12-28) |
| Anus-tail tip distance | – | 12.3 ± 2 (9.3-15.8) | – | 10.6 ± 2.6 (8-14.8) | – | – | – | – |
| Distance between two phasmids | – | 16.8 ± 3.4 (13-24.4) | – | 20 ± 3.2 (17-24) | – | 24.4 ± 0.3 (15-34) | – | 78 ± 16 (58-108) |