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STUDY THE ACTIVITY OF SOME PARASITES OF CITRUS LEAFMINER EFFECT OF DIFFERENT CHEMICAL TREATMENTS ON THE EMERGENCE OF THE ADULT PARASITE Ratzeburgiola incompleta (Poueek) | ||
| Mesopotamia Journal of Agriculture | ||
| Article 22, Volume 38, Issue 0, 2010, Pages 156-161 PDF (0 K) | ||
| DOI: 10.33899/magrj.2010.36246 | ||
| Author | ||
| Zahraa. A. Al-Ghadhban | ||
| Abstract | ||
| The survey of parasites showed that there are four parasitoids can be considered as natural enemies of citrus leafminer. All these belong to the family Eulophidae and the order Hymenopter. These parasitoids are Ratzeburgiola incomplete, Cirrospilus sp., Pnigalio sp. and Baryscapus sp. However, the parasitoid R. incompleta was the dominant which represents 44.4% of the total parasitism. A compatible in the time of occurrence between the abundance of the citrus leafminer and the parasitoids was noticed , that is in fall of 2005 the peak of citrus leafminer population density reached the maximum during September with 79 alive stages / 100 leaves and with percentage of parasitism of 22%. In spring 2006, however, the peak of the pest reached the maximum during May with 95 a live stages / 100 leaves and with percentage of parasitism of 32%.Studying the effect of different chemical treatments on the emergence of the adult parasite R. incompleta revealed that confidor soil treatment and the treatment with IGR Match® had the least effect on parasite emergence. Accordingly, these treatments can be considered in applying of IPM to control this pest. | ||
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