Table 1 Screening the effects of 17 bacterial isolates from vermicompost and earthworm on the nematode indices of Meloidogyne javanica in the roots of tomato plants in a glasshouse
Bacterial isolatesa | Galls/g root | Egg masses/g root | Eggs/g root | J2s/pot soil | Root fresh weight (g) | Final population (Pf) | Reproduction factor (Rf) | Rf reduction (%)b |
|---|---|---|---|---|---|---|---|---|
C1 | 183 b | 100 d–g | 4238 cd | 5700 g | 6.00 b–f | 33,031 cd | 5.5 cd | 66.0 |
C2 | 158 bc | 122 c–g | 7744 b–d | 18,000 a–d | 8.12 ab | 82,417 ab | 13.7 ab | 15.3 |
C3 | 151 bc | 67 gf | 2663 d | 11,100 b–g | 5.67 b–f | 26,424 b–d | 4.4 b–d | 72.8 |
C6 | 123 bc | 184 b–d | 7200 b–d | 22,500 a | 5.95 b–f | 65,865 a–c | 10.9 a–c | 32.3 |
C8 | 107 bc | 164.5 b–e | 12,338 ab | 21,450 ab | 6.00 b–f | 97,487 a | 16.2 a | 0.0 |
C9 | 148 bc | 149 c–f | 9225 bc | 13,500 a–g | 8.12 ab | 86,058 a | 14.3 a | 11.6 |
LV1 | 128 bc | 50 g | 3300 d | 9975 d–g | 5.02 c–f | 27,930 cd | 4.6 cd | 71.3 |
LV2 | 110 bc | 200 a–c | 9375 bc | 17,100 a–f | 5.15 b–f | 58,271 a–c | 9.7 a–c | 40.1 |
LV3 | 131 bc | 140 c–f | 7650 b–d | 17,700 a–e | 7.95 a–c | 81,350 ab | 13.5 ab | 16.4 |
LV5 | 113 bc | 172.5 b–e | 6694 cd | 15,900 a–g | 6.80 a–d | 62,962 a–c | 10.4 a–c | 35.3 |
LV6 | 158 bc | 154 b–e | 6038 cd | 15,750 a–g | 4.40 d–f | 41,249 cd | 6.8 cd | 57.3 |
LV8 | 131 bc | 235 ab | 8275 b–d | 16,275 a–g | 6.62 a–e | 59,056 a–c | 9.8 a–c | 39.3 |
VW2 | 175 bc | 205 a–c | 6435 cd | 19,200 a–d | 3.65 ef | 43,931 b–d | 7.3 b–d | 54.8 |
VW3 | 122 bc | 92 e–g | 5025 cd | 10,275 d–g | 4.90 d–f | 36,393 cd | 6.0 cd | 62.6 |
VW4 | 95 c | 41 g | 3225 d | 6900 e–g | 5.77 b–f | 25,751 cd | 4.2 cd | 73.5 |
VW5 | 110 bc | 196.5 a–c | 6875 b–d | 21,150 a–c | 9.15 a | 85,636 a | 14.2 a | 12.0 |
VW6 | 161 bc | 121 e–g | 3075 d | 6390 f–g | 3.55 f | 17,895 d | 2.9 d | 81.6 |
Water | 328 a | 275 a | 16,650 a | 20,475 a–d | 4.35 d–f | 97,404 a | 16.2 a | – |