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Table 1 Effect of three marine algal extracts on egg hatchability and inhibition percentages (I%) of the root-knot nematode, Meloidogyne incognita under laboratory conditions

From: The nematicidal potentiality of some algal extracts and their role in enhancement the tomato defense genes against root knot - nematodes

Treatments Eggs hatching (%) Exposure time (days)
3 days I% 5 days I% 7 days I%
Control 21.60a 0.0 36.20a 0.0 52.60a 0.0
Corallina mediterranea mg/ml
 0.125 7.80b 64 16.20b 55.2 21.75b 40.60
 0.25 5.80cd 73.1 13.00cd 64 17.25cd 34.60
 0.5 5.20de 76 12.20de 66.2 15.75de 48.40
 1 5.00de 76.8 12.00de 66.8 15.25de 70.20
Corallina officinalis mg/ml
 0.125 6.80bc 68.5 14.80bc 59 19.50bc 36.40
 0.25 6.40bcd 70.3 13.80cd 61.8 18.25cd 51.00
 0.5 6.00cd 72.2 13.60cd 62.4 17.75cd 55.60
 1 5.60cd 74 13.00cd 64 16.75cd 57.20
Ulva fasciata mg/ml
 0.125 4.00ef 81.4 10.40ef 71.2 13.00e 34.60
 0.25 3.00f 86 9.00f 75 10.75f 54.00
 0.5 3.00f 86 9.20f 74.5 10.75f 66.80
 1 2.80f 87 8.80f 75.6 10.00f 70.20
Oxamyl 5 μl/ml 0.20g 99 0.80g 97.7 1.40g 97.3
  1. Means followed by the same letter (s) are not significantly different by Duncan’s multiple range test (P ≤ 0.05)