Table 1.
Average number of spores per juvenile of Meloidogyne javanica (M.j.) and M. incognita (M.i.) exposed to spores of Pasteuria penetrans (Pp blend) which had been previously incubated for 1, 7, and 21 days in the nematicides fluazaindolizine and oxamyl.
| Experiment 1 | Experiment 2 | Experiment 3 | |||
|---|---|---|---|---|---|
| Treatments | M.j. | M.i. | M.j. | M.i. | M.j. |
| Control (Pp untreated) | 3.88 bc | 6.22 cd | 3.42 e | 1.86 cd | 15.50 ab |
| Fluazaindolizine 5 ppm | |||||
| 1 day | 3.46 c | 8.72 ab | 6.04 cde | 1.14 cd | 14.60 abc |
| 7 days | 5.20 abc | 8.72 ab | 7.56 bcd | 1.86 cd | 17.92 a |
| 21 days | 4.26 bc | 7.52 bcd | 12.70 a | 1.90 cd | 15.92 ab |
| Fluazaindolizine 50 ppm | |||||
| 1 day | 7.06 a | 10.04 a | 3.68 e | 1.02 d | 17.96 a |
| 7 days | 4.90 bc | 7.72 bcd | 6.58 bcde | 1.68 cd | 11.70 c |
| 21 days | 5.74 ab | 7.88 bcd | 9.76 abc | 3.64 b | 16.22 ab |
| Fluazaindolizine 250 ppm | |||||
| 1 day | 15.32 abc | ||||
| 7 days | 14.66 abc | ||||
| 21 days | 13.64 bc | ||||
| Oxamyl 25 ppm | |||||
| 1 day | 4.94 bc | 6.16 d | 3.72 e | 1.40 cd | |
| 7 days | 4.18 bc | 6.40 cd | 4.78 de | 2.32 c | |
| 21 days | 5.42 abc | 8.04 bc | 10.04 ab | 6.14 a | |
| Spores/dish (× 103) | 20 | 20 | 20 | 20 | 15 |
| J2/dish | 180 | 180 | 300 | 550 | 100 |
| Incubation period | 24 h | 24 h | 48 h | 48 h | 24 h |
Notes: Each mean is the average of five replicates; means within columns followed by the same letter are not significantly different according to LSD test (p > 0.05); the control was spores incubated for 21 days in water.