About this article
Published Online: Jan 25, 2020
Page range: 37 - 42
Received: Aug 19, 2019
Accepted: Sep 17, 2019
DOI: https://doi.org/10.2478/helm-2020-0005
Keywords
© 2020 C. M. G. Oliveira, R. Harakava, J. M. O. Rosa, published by Sciendo
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.
Fig. 1
Fig. 2
Morphometric data of female and four juveniles stages (J1, J2, J3 and J4) of Xiphinema santos from Brazil. Values are mean ± standard deviation (range).
| Nematode | |||||
|---|---|---|---|---|---|
| Stages | female | J1 | J2 | J3 | J4 |
| Morphometrics* | |||||
| n | 24 | 1 | 1 | 1 | 14 |
| L (mm) | 1.7 ± 0.1 (1.6 – 1.9) | 0.7 | 0.7 | 0.9 | 1.3 ± 0.1 (1.1 – 1.4) |
| Odontostyle (μm) | 79.2 ± 2.4 (76 – 84) | 32.0 | 42.0 | 51.0 | 64.9 ± 2.4 (61 – 69) |
| Replacement odontostyle (μm) | – | 48.0 | 52.0 | 63.0 | 77.3 ± 2.9 (72 – 82) |
| Odontophore (μm) | 51.3 ± 1.8 (47 – 55) | 43.0 | 30.0 | 37.0 | 42.5 ± 1.7 (40 – 45) |
| Spear (μm) | 130.5 ± 2.9 (126 – 136) | 75.0 | 72.0 | 88.0 | 107.4 ± 2.7 (102 – 111) |
| Tail (μm) | 34.4 ± 1.8 (30 – 37) | 30.0 | 32.0 | 25.0 | 34.1 ± 2.2 (30 – 37) |
| Body diameter (μm) | 40.1± 2.9 (36 – 45) | 18.0 | 21.0 | 24.0 | 28.9 ± 2.6 (26 – 36) |
| V% | 51.8 0.9 (50.0 – 53.5) | – | – | – | – |
| a | 42.5 ± 2.8 (36.5 – 46.8) | 41.4 | 33.8 | 39.0 | 43.4 ± 3.2 (37.2 – 47.2) |
| b | 5.9 ± 0.7 (4.7 – 7.6) | 5.5 | 4.9 | 5.5 | 5.4 ± 0.9 (4.0 – 7.5) |
| c | 49.5 ± 3.0 (44 – 53) | 24.8 | 22.2 | 37.4 | 36.6 ± 3.2 (32.5 – 44.3) |
| c` | 1.6 ± 0.1 (1.4 – 1.8) | 2.5 | 2.5 | 1.8 | 1.8 ± 0.2 (1.2 – 2.1) |