Figure 1.
Tomato fruit yield and root-galling at harvest as affected by nematicide treatments in ten field trials at the SouthCoast Research and Ex tension Center, Irvine, CA_
| Trial | Treatment number | Product | ai kg/ha | Application method1 | Timing2 | kg/plant | Galling index |
|---|---|---|---|---|---|---|---|
| I | 1 | untreated control | 1.09b3 | 7.1a3 | |||
| 2 | oxamyl | 0.14 | 1 | 5 d pre | 1.23ab | 5.6b | |
| 0.14 | 2 | 21 d post | |||||
| 3 | fluensulfone | 3.84 | 1 | 5 d pre | 1.48a | 3.1c | |
| P - value | 0.031 | 0.002 | |||||
| II | 1 | untreated control | 1.16b | 7.0a | |||
| 2 | oxamyl | 0.14 | 1 | 5 d pre | 1.31ab | 6.2a | |
| 0.14 | 2 | 21 d post | |||||
| 3 | fluensulfone | 3.84 | 1 | 5 d pre | 1.42a | 5.6ab | |
| 4 | fluensulfone | 3.84 | 1 | 5 d pre | 1.23b | 3.4b | |
| 3.84 | 2 | 21 d post | |||||
| P - value | 0.015 | 0.007 | |||||
| III | 1 | untreated control | 1.00 | 7.7a | |||
| 2 | oxamyl | 0.56 | 1 | at-plant | 1.11 | 7.2ab | |
| 0.56 | 2 | 28 d post | |||||
| 3 | fluensulfone | 2.97 | 1 | 7 d pre | 1.27 | 6.6b | |
| 4 | fluensulfone | 4.00 | 1 | 7 d pre | 1.24 | 6.4b | |
| P - value | 0.12 | 0.007 | |||||
| IV | 1 | untreated control | 1.18 | 7.6a | |||
| 2 | oxamyl | 1.12 | 2 | at-plant | 1.29 | 6.2ab | |
| 1.12 | 2 | 15 d post | |||||
| 3 | fluensulfone | 1.40 | 1 | 7 d pre | 1.32 | 6.5ab | |
| 4 | fluensulfone | 1.96 | 1 | 7 d pre | 1.49 | 4.9bc | |
| 5 | fluensulfone | 2.81 | 1 | 7 d pre | 1.37 | 4.5cd | |
| 6 | fluazaindolizine | 0.56 | 2 | at-plant | 1.47 | 3.3cd | |
| 7 | fluazaindolizine | 0.28 | 2 | at-plant | 1.41 | 3.9cd | |
| 0.28 | 2 | 15 d post | |||||
| 8 | fluazaindolizine | 0.56 | 2 | at-plant | 1.61 | 2.8d | |
| 0.28 | 2 | 15 d post | |||||
| P - value | 0.06 | <0.001 | |||||
| V | 1 | untreated control | 0.74c | 9.1a | |||
| 2 | fluazaindolizine | 0.56 | 2 | at-plant | 1.23a | 2.5de | |
| 0.56 | 2 | 14 d post | |||||
| 0.56 | 2 | 28 d post | |||||
| 3 | fluazaindolizine | 1.12 | 2 | at-plant | 1.20a | 2.2e | |
| 0.56 | 2 | 14 d post | |||||
| 0.56 | 2 | 28 d post | |||||
| 4 | fluensulfone | 2.97 | 1 | 14 d pre | 0.91bc | 4.2cd | |
| 5 | fluensulfone | 4.00 | 1 | 14 d pre | 1.06ab | 3.4cde | |
| 6 | oxamyl | 1.12 | 2 | at-plant | 0.95b | 6.8ab | |
| 1.12 | 2 | 14 d post | |||||
| 7 | fluopyram | 0.25 | 2 | at-plant | 1.04ab | 4.9bc | |
| 0.25 | 2 | 14 d post | |||||
| P - value | <0.001 | <0.001 | |||||
| VI | 1 | untreated control | 1.05 | 5.5a | |||
| 2 | fluazaindolizine | 0.56 | 2 | at-plant | 1.38 | 1.5c | |
| 0.56 | 2 | 14 d post | |||||
| 0.56 | 2 | 28 d post | |||||
| 3 | fluazaindolizine | 1.12 | 2 | at-plant | 1.43 | 1.1c | |
| 0.56 | 2 | 14 d post | |||||
| 0.56 | 2 | 28 d post | |||||
| 4 | fluazaindolizine | 1.12 | 1 | 3 d pre | 1.34 | 2.4bc | |
| 0.56 | 2 | 14 d post | |||||
| 0.56 | 2 | 28 d post | |||||
| 5 | oxamyl | 1.12 | 2 | at-plant | 1.18 | 5.5a | |
| 1.12 | 2 | 14 d post | |||||
| 1.12 | 2 | 28 d post | |||||
| 6 | fluopyram | 0.25 | 2 | at-plant | 1.19 | 4.3ab | |
| 7 | fluopyram | 0.25 | 2 | at-plant | 1.45 | 2.2bc | |
| 0.25 | 2 | 14 d post | |||||
| 8 | fluopyram | 0.25 | 2 | at-plant | 1.34 | 2.1bc | |
| 0.25 | 2 | 28 d post | |||||
| P - value | 0.21 | <0.001 | |||||
| VII | 1 | untreated control | 1.34 | 5.8a | |||
| 2 | fluopyram | 0.25 | 2 | at-plant | 1.62 | 2.7b | |
| 0.25 | 2 | 14 d post | |||||
| 3 | fluensulfone | 2.97 | 1 | 14 d pre | 1.32 | 5.8a | |
| 4 | fluensulfone | 4.00 | 1 | 14 d pre | 1.44 | 4.1ab | |
| 5 | fluazaindolizine | 1.12 | 2 | at-plant | 1.61 | 2.4b | |
| 0.56 | 2 | 14 d post | |||||
| 6 | fluazaindolizine | 0.56 | 2 | at-plant | 1.51 | 3.0b | |
| 0.56 | 2 | 14 d post | |||||
| 0.56 | 2 | 28 d post | |||||
| 7 | fluazaindolizine | 2.24 | 1 | 3 d pre | 1.36 | 3.7ab | |
| 8 | fluazaindolizine4 | 2.24 | 1 | 3 d pre | 1.52 | 3.6ab | |
| 9 | fluazaindolizine | 2.24 | 1 | 10 d pre | 1.49 | 3.6ab | |
| 10 | fluazaindolizine4 | 2.24 | 1 | 10 d pre | 1.30 | 4.1ab | |
| P - value | 0.17 | <0.001 | |||||
| VIII | 1 | untreated control | 4.07 | 3.4a | |||
| 2 | fluensulfone | 2.80 | 1 | 7 d pre | 3.80 | 1.0b | |
| P - value | 0.70 | 0.009 | |||||
| IX | 1 | untreated control | 2.00 | 5.6 (a) | |||
| 2 | fluazaindolizine | 1.12 | 2 | at plant | 1.98 | 4.4(ab) | |
| 3 | fluazaindolizine | 2.24 | 2 | at plant | 2.10 | 2.7(b) | |
| 4 | fluazaindolizine | 1.12 | 2 | at plant | 1.96 | 3.3(ab) | |
| 0.56 | 2 | 30 d post | |||||
| 5 | fluazaindolizine | 1.12 | 2 | at plant | 2.04 | 4.3(ab) | |
| 1.12 | 2 | 30 d post | |||||
| 6 | fluopyram | 0.19 | 2 | at plant | 2.12 | 3.7(ab) | |
| P - value | 0.99 | 0.07 | |||||
| X | 1 | untreated control | 2.50 | 6.0(a) | |||
| 2 | fluensulfone | 2.97 | 1 | 7 d pre | 2.55 | 5.6(ab) | |
| 3 | fluensulfone | 4.00 | 1 | 7 d pre | 2.80 | 4.4(ab) | |
| 4 | fluopyram | 0.19 | 1 | at plant | 2.70 | 5.6(ab) | |
| 5 | fluazaindolizine | 1.12 | 1 | at plant | 2.53 | 4.1(ab) | |
| 6 | fluazaindolizine | 2.24 | 1 | at plant | 2.66 | 3.7(b) | |
| P - value | 0.99 | 0.07 | |||||