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Table 3 Effect of the methanolic extracts of S.arvensis, P.harmala, and T.baccata applied in the soil on the reproduction of M.incognita and the growth of tomato plants under greenhouse

From: Nematicidal activity of aqueous and organic extracts of local plants against Meloidogyne incognita (Kofoid and White) Chitwood in Algeria under laboratory and greenhouse conditions

Plant extractExtract dosage (ml/pot)Gall indexNumber of J2sNumber of egg massesNumber of gallsDry weight of the aerial partDry weight of roots
Methanolic S.arvensis34.5 ± 0.22 bcd3500.33 ± 231.45bc72.50 ± 5.65b121.66 ± 5.23bc7.10 ± 0.46cde2.09 ± 0.26a
1.55.0 ± 0.25 cde3687.33 ± 238.61cd97.00 ± 11.30bce128.33 ± 4.93c6.01 ± 0.47bcd2.12 ± 0.20a
0.755.66 ± 0.21 de4416.83 ± 263.12d104.5 ± 4.89cef146.83 ± 12.07cd4.76 ± 0.60b1.24 ± 0.15a
Methanolic T. baccata34.00 ± 0.25 bc2682.50 ± 151.36b87.33 ± 3.30bc125.33 ± 8.08bc7.54 ± 0.51de1.53 ± 0.31a
1.54.500 ± 0.22 bcd3723.50 ± 205.96cd129.83 ± 12.12f176.00 ± 5.70de6.55 ± 0.54bcde1.21 ± 0.08a
0.754.83 ± 0.30 cd4390.00 ± 205.47d164.00 ± 11.93g190.33 ± 9.85e5.23 ± 0.34bc1.07 ± 0.15a
Methanolic P. harmala33.50 ± 0.22 b3140.50 ± 73.78bc68.16 ± 5.28b86.83 ± 4,60.b6.87 ± 0.58bcde1.38 ± 0.10a
1.54.83 ± 0.30 cd4017.0 ± 0177.32cd121.00 ± 5.5ef144.66 ± 5.94cd6.54 ± 0.56bcde1.37 ± 0.19a
0.755.50 ± 0.22 de4437.16 ± 178.38d164.16 ± 3.09g160.33 ± 12.78cde5.45 ± 0.64bcd1.76 ± 0.11a
Positif control (inoculum)/6.16 ± 0.40 e7319.66 ± 197.74e178.16 ± 4.25g244.66 ± 10.84f1.24 ± 0.15a1.32 ± 0.25a
Negatif control/00 ± 00a00 ± 00a00 ± 00a00 ± 00a8.21 ± 0.16e4.28 ± 0.25b
P value P = 0.01P = 4.4.10−5P = 3, 6.10−7P = 9.10−6P = 0.13P = 0.15
  1. Means with the different letters are significantly different according to the Tukey’s test (P≤ 0.05). Values with ± represent the standard errors