Table 2.
Morphometrics of male and second-stage juvenile Meloidogyne graminicola populations isolated from different places (μm)
| Sample type | Morphological character | Origin | ||||
|---|---|---|---|---|---|---|
| Guangxi (This study) | Hunan (Song et al., 2017) | Sichuan (Xie et al., 2019) | Zhejiang (Tian et al., 2018) | Baton Rouge, Louisiana, USA (Golden and Birchfield, 1965) | ||
| Males | Sample number | 23 | 20 | 10 | 17 | 20 |
| Body length | 1,289.25 ± 149.49 (1,040.26-1,581.3) | 1,475.8 ± 169.7 (1,246.1-1,832.3) | 1,270.0 ± 76.2 (1,043.5-1,553.5) | 1,270 ± 158.8 (1,043.4-1,553.4) | 1,222 (1,020-1,428) | |
| Body width | 43.33 ± 4.54 (27.03-47.987) | 39.0 ± 5.0 (30.6-48.4) | - | - | 29.8 (24-34.7) | |
| Stylet length | 17.15 ± 0.76 (15.29-18.41) | 19.3 ± 0.9 (17.9-20.6) | 17.2 ± 0.7 (15.2-18.9) | 17.2 ± 1.0 (15.2-18. 9) | 16.8 (16.2-17.3) | |
| Spicule length | 29.81 ± 2.68 (21.95-35.67) | 30.7 ± 2.4 (27.2-36.1) | - | 21.1 ± 0.8 (20.1-21.9) | 28.1 (27.4-29.1) | |
| Dorsal pharyngeal gland orifice to stylet base | 3.61 ± 0.54 (2.53-4.46) | 3.8 ± 0.5 (2.9-4.6) | - | - | 3.3 (2.8-3.9) | |
| Juveniles 2 | Sample number | 21 | 20 | 20 | 20 | 20 |
| Body length | 470.80 ± 26.09 (408.59-521.53) | 483.0 ± 22.4 (427.0-514.9) | 446.7 ± 12.8 (402.6-509.1) | 456.7 ± 31. 8 (402.7-509.0) | 441 (415-484) | |
| Body width | 17.95 ± 1.55 (15.73-22.29) | 17.5 ± 1.6 (15.5-20.0) | - | - | - | |
| Stylet length | 12.57 ± 0.76 (11.33-14.24) | 14.0 ± 0.5 (13.2-15.5) | 12.1 ± 0.4 (10.6-13.2) | 12.1 ± 0.7 (10.6-13.1) | 11.38 (11.20-12.32) | |
| Hyaline tail terminus | 22.31 ± 2.54 (17.82-26.07) | 20.2 ± 2.7 (15.0-25.0) | 19.5 ± 1.0 (16.2-22.7) | 19.5 ± 1.8 (16.5-22.6) | - | |
Values are presented as mean ± standard deviation (range).