Table 2.
Meloidogyne population densities in soil at planting (Pi) and at the end of the crop (Pf), galling index, number of eggs on roots, and percentage of egg parasitism in two commercial organic vegetable productions sites in plastic greenhouse during two consecutive years (2011–2013).
| Site | Cropa | Date | N° of juveniles 250 cm−3 soil | Galling index | N° of eggs g root−1 | Parasitized eggs (%) | |
|---|---|---|---|---|---|---|---|
| Pi | Pf | ||||||
| M10.23 | Zucchini cv. Dundoo | 07/2011–11/2011 | 2951±487 | 61±15 | 1.6±0.3 | 1301±530 | 54.7±13.9 |
| Tomato cv. Royesta (R) | 01/2012–07/2012 | 61±15 | 0±0 | 0±0 | 0±0 | Nem | |
| Radish cv. Saxa | 11/2012–02/2013 | 9±9 | 3±3 | 0±0 | 0±0 | Nem | |
| Spinach cv. Gigante de invierno | 11/2012–02/2013 | 4±4 | 9±3 | 0±0 | 0±0 | Nem | |
| Fallow | 02/2013–07/2013 | 6±3 | 15±12 | Na | Na | Na | |
| M10.55 | Tomato cv. Lladó (R) | 02/2011–07/2011 | 238±62 | 1013±883 | 0.2±0.1 | 41±26 | 3.0±0.04 |
| Zucchini cv. Dundoo | 07/2011–11/2011 | 1013±883 | 1351±238 | 3.0±0.4 | 1870±478 | 84.5±3.6 | |
| Lettuce cv. Maravilla | 11/2011–03/2012 | 1351±238 | 81±17 | 0.1±0.1 | 0±0 | Nem | |
| Cucumber cv. Dasher II | 03/2012–06/2012 | 81±17 | 1329±505 | 6.3±1.0 | 6026±1165 | 71.7±2.7 | |
| Mustard cv. Caliente 109 | 06/2012–09/2012 | 1329±505 | 40±18 | Na | Na | Na | |
| Lettuce cv. Maravilla | 09/2012–11/2012 | 40±18 | 56±5 | 2.2±0.2 | 999±645 | 0.2±0.2 | |
| Tomato cv. Caramba (R) | 02/2013–07/2013 | 19±6 | 126±30 | 1.3±0.8 | 206±115 | 16.0±10.6 | |
Data are mean ± standard error of four replications. Galling index on a scale from 0 to 10, where 0 = complete and healthy root system and 10 = plants and roots dead (Zeck, 1971).
a
R, Resistant cultivar; Na, Not available; Nem, Not egg masses.