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LABORATORY EVALUATION OF FOUR STRAINS OF PATHOGENIC NEMATODE SPECIES ON MAJOR INSECT PESTS OF SUGAR BEET
Fayoum Journal of Agricultural Research and Development
Evaluation of the entomopathogenic nematodes species , Steinrnmema rarum, Steinrnmema carpocapsae (Sc), Steinrnmema spp (S6) and Heterorhabditis spp (HLs) against the prepupae and pupae of Pegomya mixta, larvae and pupae of Lixus junci and Hymenia recurvalis was carried out at 25 °C and 65% R.H. Concentration 500 and 250 IJs/ ml were tested and the results indicated that the mortality rate increased with increased dosage of nematodes. The highest mortality was 62.5% for (S6) and (Sc) againstdoi:10.21608/fjard.2012.194701 fatcat:pt33yidqsnbgnjjff76f4sfi2y