Table 3.
Root gall ratings of tomato (Solanum lycopersicon L.), root-knot nematode, Meloidogne incognita population in soil, and tomato fruit yield as affected by fumigants and Nicotinamide adenine dinucleotide (NAD), field trial-spring 2020, Gulf Coast Research and Education Center (GCREC), FL.
| Root-knot severity (0–10 scale) | J2s/200 cc soil | Tomato Yield (kg/plot) | ||||||
|---|---|---|---|---|---|---|---|---|
| Factors | Level | 69 DAT | 105 DAT | 105 DAT | 77 DAT | 94 DAT | 103 DAT | Total yield |
| None | 3.23a | 5.77a | 60a | 16.96b | 12.86a | 5.13a | 34.96b | |
| Fumigant | Pic 100 | 1.65b | 5.34a | 82a | 22.92b | 13.78a | 5.44a | 42.15a |
| Pic-Clor 60 | 0.08c | 0.53b | 7b | 21.67a | 12.44a | 6.23a | 40.35ab | |
| None | 1.16a | 4.16a | 46a | 19.76a | 12.43a | 7.06a | 39.26a | |
| NAD | 1mM | 1.89a | 3.27a | 49a | 20.06a | 13.40a | 5.54a | 39.20a |
| 5 mM | 1.91a | 4.22a | 55a | 21.73a | 13.26a | 4.20a | 39.01a | |
| Fumigant | <.0001 | <.0001 | 0.0005 | 0.005 | 0.796 | 0.763 | 0.106 | |
| P-value | NAD | 0.290 | 0.535 | 0.423 | 0.459 | 0.875 | 0.201 | 0.996 |
| Fumigant*NAD | 0.824 | 0.678 | 0.366 | 0.105 | 0.500 | 0.738 | 0.322 | |
Note: DAT = days after transplanting. Factor levels sharing the same letter within each factor do not differ significantly (P-value > 0.05), according to Tukey’s HSD.