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Table 2 Impact of certain bio-agents singly and concomitantly on reproduction of Meloidogyne spp. infecting sugar beet var. Negma under field conditions

From: The role of Bacillus megaterium and other bio-agents in controlling root-knot nematodes infecting sugar beet under field conditions

Treatments *Population/250 g soil Female/1 g root Final population Red. % No. of galls/1 g root Red. % No. of egg masses/1 g root Red. % Root malformation %
NS 1150.0f 35.0f 1185.0 79.9 33.0f 29.8 8.0i 77.1 0.0
HS 2150.0e 40.0c 2190.0 62.9 38.0e 19.1 14.0f 60.0 0.0
BA 2585.0d 42.0b 2627.0 55.5 40.0d 14.9 16.0de 54.3 0.0
DSBC 2700.0c 43.0b 2743.0 53.5 43.0c 8.5 20.0c 42.9 20.0
O 1100.0g 33.0g 1133.0 80.8 19.0c 59.5 10.0h 71.4 6.7
NS + HS 800.0j 33.0g 833.0 85.9 28.0b 40.4 15.0ef 57.1 0.0
NS + BA 850.0i 37.0e 887.0 85.0 30.0h 36.2 21.0c 40.0 0.0
NS + DSBC 950.0h 39.0d 989.0 83.2 33.0g 29.8 17.0d 51.4 0.0
NS + O 700.0k 32.0g 732.0 87.6 27.0i 42.6 12.0g 65.7 0.0
NS + HS + BA 630.0l 27.0h 657.0 88.9 25.0j 46.8 5.0j 85.7 0.0
NS + HS + BA + DSBC + O 240.0m 12.0i 252.0 95.7 8.0k 83.0 0.0k 100.0 0.0
DSBL 3010.0b 47.0ab 3057.0 48.2 45.0b 4.3 25.0b 28.6 20.0
Untreated plants 5850.0a 49.0a 5899.0 0.0 47.0a 0.0 35.0a 0.0 26.7
  1. Means in each column followed by the same letter(s) did not differ at P ≤ 0.05 according to Duncan’s multiple range test
  2. NS nemastrol, HS humisun, BA bio-arc (Bacillus megaterium), DSBC dried sweet basil callus, DSBL dried sweet basil leaf, O oxamyl
  3. *Each value presented the mean of three replicates