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Egyptian Journal of Biological Pest Control

Table 2 Effect of different combinations of integrated control measures on the number of plant-parasitic nematodes (PPN) associated with guava, Psidium guajava, rhizosphere

From: Integrated management of plant-parasitic nematodes on guava and fig trees under tropical field conditions

Treatment

Number of PPN/200 cm3 soil

% final

Changec

15/2/2016a

15/5/2016

15/10/2016b

15/1/2017

P. lilacinum + P. penetrans + chicken manure

652.50 a

492.50 b

348.75 c

202.50 d

− 68.97

V. chlamydosporium + P. penetrans + chicken manure

640.00 a

556.25 ab

486.25 b

260.00 c

− 59.38

T. harzianum + P. penetrans + chicken manure

650.00 a

511.25 b

450.00 b

217.50 c

− 66.54

P. lilacinum + P. penetrans + cow manure

717.50 a

662.50 a

537.50 b

380.00 c

− 47.04

V. chlamydosporium + P. penetrans + cow manure

851.25 a

772.50 a

793.75 a

488.75 b

− 36.73

T. harzianum + P. penetrans + cow manure

757.50 a

736.25 ab

651.25 b

433.75 c

− 42.74

P. lilacinum + P. penetrans + compost

732.50 a

562.50 b

484.00 b

396.25 c

− 45.90

V. chlamydosporium + P. penetrans + compost

741.25 a

788.75 a

590.00 b

567.50 b

− 23.44

T. harzianum + P. penetrans + compost

715.00 a

651.25 ab

581.50 bc

536.25 c

− 17.66

P. lilacinum + P. penetrans + urea 46%

683.75 a

608.75 a

512.50 b

210.00 c

− 69.29

V. chlamydosporium + P. penetrans + urea 46%

736.25 a

633.75 b

553.75 b

327.50 c

− 55.52

T. harzianum + P. penetrans + urea 46%

755.00 a

661.25 b

642.50 b

328.75 c

− 56.46

Carbofuran10G

773.75 a

327.50 b

175.00 c

153.75 c

− 80.13

Nematode control

738.75 d

993.75 c

1170.00 b

1295.00 a

+ 75.30

LSD0.05 between treatments

85.62

 

LSD0.05 between times

46.98

 

LSD0.05 between treatments × times

175.77

 
  1. Data are average of four replicates (trees) each
  2. Values followed by the same letter(s) in a row are not significantly different at P ≤ 0.05
  3. P. lilacinum = Purpureocillium lilacinum, P. penetrans = Pasteuria penetrans, V. chlamydosporium = Verticillium chlamydosporium, T. harzianum = Trichoderma harzianum
  4. aFirst treatments application
  5. bSecond treatments application (beginning of the second season)
  6. cCompared to the number of PPN at the beginning of the experiment (Pi)
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