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Table 3 Effect of three marine algal extracts against the root-knot nematode, Meloidogyne incognita galls, egg masses, eggs on roots, and second stage J2 population in soil of tomato plants under greenhouse conditions

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

Treatment

Number of galls/plant

Number of egg masses/plant

Number of eggs/plant

Number of J2/250 cm3 of soil

RF

Inf. Control

353a

367a

152402a

382a

30.78a

Corallina mediteranea

230b

224b

90990b

243b

18.39b

Corallina officinalis

175c

152c

57265c

120c

11.55c

Ulva fasciata

79.3d

95.5d

37120d

103c

7.51d

Oxamyl 15μ/ml

2.60e

1.60e

564e

0.00d

0.11e

  1. Inf. control infected control, means followed by the same letter are not significantly different by Duncan’s multiple range test (P ≤ 0.05)