ORIGINAL ARTICLE
Evaluation of efficacy of Paecilomyces lilacinus as biological control agent of Meloidogyne incognita attacking tomato
 
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1
Department of Pest Management, College of Agriculture, Visayas State University, Baybay, Leyte, 6521, Philippines
2
Crop Protection Cluster, College of Agriculture, University of the Philippines Los Baños, College, Laguna, 4031, Philippines
CORRESPONDING AUTHOR
Christian Joseph R. Cumagun
Crop Protection Cluster, College of Agriculture, University of the Philippines Los Baños, College, Laguna, 4031, Philippines
 
Journal of Plant Protection Research 2009;49(4):337–340
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ABSTRACT
The efficacy of Paecilomyces lilacinus strain UP1 as biological control agent of Meloidogyne incognita attacking tomato was evaluated under screenhouse condition pot experiments. P. lilacinus was formulated on rice substrate in powder form. Root weight, gall index rating, number of galls, egg masses and nematodes per one gram root sample were determined and per cent reduction in gall number was computed. Root weight and gall index ratings were significantly higher in untreated plants than those with P. lilacinus and with the commercial fungicide Nemacur. Number of galls, nematodes and egg masses per one gram root sample were significantly reduced by the application of P. lilacinus at all levels and this was comparable with Nemacur. However, egg mass count in plants treated with the lowest concentration of the biocontrol agent was not significantly different from the uninoculated control. Per cent reduction in gall number was the highest at treatment with 7.92 x 10 6 spores per ml of P. lilacinus.
CONFLICT OF INTEREST
The authors have declared that no conflict of interests exist.
 
REFERENCES (14)
1.
Cortado R.V., Davide R.G. 1968. Nematode-trapping fungi in the Philippines. Phil. Phytopathol. 4, p. 4.
 
2.
Davide R.G., Batino E. 1985. Biological control of root-knot nematodes on cotton through the use of fungi Paecilomyces lilacinus and Gliocladium roseum as seed treatment. Phil. Agric. 68: 159–167.
 
3.
Davide R.G., Zorilla R.A. 1983. Biological and chemical control studies of the potato cyst nematodes found in Madaymen, Buguias, Benguet. Phil. Phytopathol. 19: 28–35.
 
4.
Davide R.G., Zorilla R.A. 1986. Evaluation of a fungus Paecilomyces lilacinus for the biological control of root-knot nematode Meloidogyne incognita on okra as compared with the nematicide Isazofos. Phil. Agric. 68: 493–500.
 
5.
Generalao L.C., Davide R.G. 1986. Biological control of Rado-pholus similis on banana with three nematophagous fungi. Phil. Phytopathol. 22: 36–41.
 
6.
Jatala P., Franco J., Gonzales A., O’Hara C.M. 1985. Hatching stimulation and inhibition of Globodera pallida eggs by enzymatic and exopathic toxic compounds of some biocontrol fungi. J. Nematol. 17, p. 501.
 
7.
Jatala P., Kaltenbach R., Bocangel M. 1979. Biological control of Meloidogyne incognitaacrita and Globodera pallida on pota -toes. J. Nematol. 11, p. 303.
 
8.
Morgan-Jones G., Rodriguez-Kabana R. 1985. Highlights of agricultural research – Alabama, Agricultural Experiment Station. Highlights Agric. Res. Ala. Agric. Exp. Stn. Fall. 32, p. 20.
 
9.
Morgan-Jones G., White J.F., Rodriguez-Kabana R. 1984. Phytnematode pathology: Ultrastructural Studies. 2. Parasitism of Meloidogyne arenaria eggs and larvae by Paecilomyceslilacinus. Nematropica 14: 57–71.
 
10.
Orolfo E.B., Davide R.G. 1986. Biological control of root-knot nematodes atacking tomato plants through the use of mycorrhiza and nematophagous fungi. Phil. Agric. 69: 307–315.
 
11.
Reyes T.T., Davide R.G. 1975. Fungi for biological control of plant parasitic nematodes. NSDB Tech. Bull. No. 3, p. 53.
 
12.
Taylor A.L., Sasser J.N. 1978. Biology, Identification and Control of Root Knot Nematode. Dept. of Plant Pathology. North Carolina State University and USAID, 111 pp.
 
13.
Valdez R.B. 1979. Nematodes Attacking Tomato and Their Control. 1st International Symposium on Tropical Tomato. Taiwan, 136 pp.
 
14.
Villanueva L.M., Davide R.G. 1984. Evaluation of several soil fungi for biological control of root knot nematodes. Phil. Agric. 67: 361–371.
 
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