EFFICACY EVALUATION OF THREE ISOLATES OF FUNGUS BEAUVERIA BASSIANA (BALSAMO) VUILL. AGAINST FIG MOTH EPHESTIA CAUTELLA (WALK.) IN LABORATORY AND STORE CONDITIONS | ||
| AL-TAQANI | ||
| Article 1, Volume 25, Issue 4, December 2012, Pages 0-0 | ||
| Abstract | ||
| Results of the efficacy of four concentrations of three isolates [local isolate H.K.J. (1) , B.JH.T2-53 (2) and Jordanian isolate (3)] of Beauveria bassiana (Balsamo) Vuill. Were used against the larvae of fig moth Ephestia cautella (Walk.) , the results indicated a different efficacy between the isolates at different concentrations and different times after larvae treated in laboratory conditions (Heat 25 + 1oC and R.H. 65%). The results showed highest larval mortality percentages were caused by fungus concentration of 1 x 106 spore / ml which reached 92.7 , 91.2 and 90.3% respectively , while the lowest mortality percentages were caused by the concentration of 1 x 103 spore / ml 83.3 , 76.8 and 75.1% respectively after 18 days of treatment. Results revealed that the treatment of empty stored dates boxes by using the concentration 1 x 106 spore / ml can protect the dates against infestation for about 6 months with low infestation , the highest infestation percentages were 1.3 , 1.0 and 3.0% for three isolates respectively , while the infestation was reared between 5.0 – 16.5% in control treatment during six months of storage. | ||
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