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LABORATORY AND FIELD STUDIES ON THE EFFECTS OF THE ENTOMOPATHOGENIC FUNGI, Beauveria bassiana (Bals.) Vuill ON THE CORN BORER, Sesamia cretica Led. (PHALAENIDAE: LEPIDOPTERA) | ||
| IRAQ JOURNAL OF AGRICULTURE | ||
| Article 1, Volume 14, Issue 3, 2009, Pages 0-0 | ||
| Authors | ||
| A. T. Amin; H. H.Al-Karboli; H. M. Saleh | ||
| Abstract | ||
| The effects of two isolates of Beauveria bassiana on the natural infestation and the hibernating larvae of the corn stem borer, Sesamia cretica Led. were studied. Results revealed a significant effect of the Chinese isolate as compared with Iraqi isolate, The percentage of dead larvae in the natural infestation were 63.30 , 46.00% for the Chinese isolates where as 5.66% for the control treatment , While in the artificial infestation the percentage of dead larvae were 73.66%, 59.33% and 7.66% respectively. Results also indicated that spraying corn plants twice in the season, by the suspension of the two isolates was significantly reduced the percentages of the corn plants infestation to 9.30%, 11.0% for the natural and artificial infestations respectively, as compared with control treatment (68.80%). | ||
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