Reproduction factors (Rf) of Pratylenchus jaehni and nematodes per fresh root mass (Nem/g) of cover crops at 75 d (Experiment 1) and 90 d after nematode inoculation (Experiment 2)_
| Cover crop | Experiment 1 | Experiment 2 | ||
|---|---|---|---|---|
| Rf | Nem/g | Rf | Nem/g | |
| Grain sorghum cv. Sara | 6.68a,1 | 28.78a,b | 5.14a | 12.83a |
| Jack bean | 5.37a | 46.06a | - | - |
| Dwarf mucuna | 3.10a,b | 8.61b,c | - | - |
| Pigeon pea cv. Iapar-43 | 2.08a,b,c | 6.50b,c,d | - | - |
| Hyacinth bean | 1.65b,c,d | 6.89b,c,d | - | - |
| Kennedy ruzi grass | 1.56b,c,d,e | 9.97b,c | 2.06b | 12.94a |
| Sunflower cv. Uruguai | 0.49c,d,e | 4.08c,d,e | 0.30c,d | 2.17b |
| Sunn hemp cv. IAC-KR-1 | 0.36d,e | 1.92c,d,e | 1.35b,c | 5.72a,b |
| Pearl millet cv. ADR-300 | 0.21e | 1.42d,e | 1.69b | 14.17a |
| Sunflower cv. Catissol | 0.12e | 1.17d,e | 0.15d | 2.24b,c |
| Showy rattlebox | 0.01e | 0.08e | 0.00d | 0.00c |