Management of Root-Knot Nematode (Meloidogyne incognita) in Okra (Abelmoschus esculentus L.) Moench) using Trichoderma Species and Poultry Manure
Daniel Offiong Etim1*, Idorenyin Asukwo Udo2, Rosemary Anietie Bassey1, Victoria Barrong Ogar1 and Etim John Umana1
1Department of Botany, Faculty of Biological Sciences, University of Calabar, Calabar, Nigeria; 2Department of Crop Science, Faculty of Forestry and wildlife Resources Management, University of Calabar, Calabar, Nigeria.
*Correspondence | D.O. Etim, Department of Botany, Faculty of Biological Sciences, University of Calabar, Calabar, Nigeria; Email:
[email protected]
Figure 1:
Effect of treatments on number of galls/plant.
Key: Po = Poultry manure (Control), P1= Poultry manure 10 t/ha, P2 = Poultry manure 15 t/ha, P3= Poultry manure 20 t/ha, H1= Trichoderma harzianum 2.40×107 spores/ml, H2= Trichoderma harzianum 1.40×107 spores/ml, H3= Trichoderma harzianum 1.10×107 spores/ml, H4= Trichoderma harzianum 9.0×106 spores/ml, V1= Trichoderma viride 2.65×107 spores/ml, V2= Trichoderma viride 2.40×107 spores/ml, V3= Trichoderma viride 1.85×107spores/ml, V4= Trichoderma viride 1.05×107 spores/ml.
Figure 2:
Effect of treatments on number of nematodes/Plant.
Key: Po= Poultry manure (Control), P1= Poultry manure 10 t/ha, P2= Poultry manure 15 t/ha, P3= Poultry manure 20 t/ha, H1= Trichoderma harzianum 2.40×107 spores/ml, H2= Trichoderma harzianum 1.40×107 spores/ml, H3= Trichoderma harzianum 1.10×107 spores/ml, H4= Trichoderma harzianum 9.0×106 spores/ml, V1= Trichoderma viride 2.65×107 spores/ml, V2= Trichoderma viride 2.40×107 spores/ml, V3= Trichoderma viride 1.85×107 spores/ml, V4= Trichoderma viride 1.05×107 spores/ml
Figure 3:
Effects of treatments on nematode density in 5Kg of soil.
Key: Po = Poultry manure (Control), P1 = Poultry manure 10 t/ha, P2 = Poultry manure 15 t/ha, P3= Poultry manure 20 t/ha, H1 = Trichoderma harzianum 2.40×107 spores/ml, H2= Trichoderma harzianum 1.40×107 spores/ml, H3= Trichoderma harzianum 1.10×107 spores/ml, H4= Trichoderma harzianum 9.0×106 spores/ml, V1= Trichoderma viride 2.65×107 spores/ml, V2= Trichoderma viride 2.40×107 spores/ml, V3= Trichoderma viride 1.85×107 spores/ml, V4= Trichoderma viride 1.05×107 spores/ml.
Figure 4:
Effect of treatments on nematode reproduction factor (Rf).
Key: Po = Poultry manure (Control), P1 = Poultry manure 10 t/ha, P2 = Poultry manure 15 t/ha, P3= Poultry manure 20 t/ha, H1= Trichoderma harzianum 2.40×107 spores/ml, H2= Trichoderma harzianum 1.40×107 spores/ml, H3= Trichoderma harzianum 1.10×107 spores/ml, H4= Trichoderma harzianum 9.0×106 spores/ml, V1= Trichoderma viride 2.65×107 spores/ml, V2= Trichoderma viride 2.40×107 spores/ml, V3= Trichoderma viride 1.85×107 spores/ml, V4= Trichoderma viride 1.05×107 spores/ml.
Figure 5:
Effect of treatments on number of Pods/Plant.
Key: Po = Poultry manure (Control), P1 = Poultry manure 10 t/ha, P2 = Poultry manure 15 t/ha, P3= Poultry manure 20 t/ha, H1= Trichoderma harzianum 2.40×107 spores/ml, H2= Trichoderma harzianum 1.40×107 spores/ml, H3= Trichoderma harzianum 1.10×107 spores/ml, H4= Trichoderma harzianum 9.0×106 spores/ml, V1= Trichoderma viride 2.65×107 spores/ml, V2= Trichoderma viride 2.40×107 spores/ml, V3= Trichoderma viride 1.85×107 spores/ml, V4= Trichoderma viride 1.05×107 spores/ml.