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BIOCONTROL OF ANGOMIS GRAIN MOTH Sitrotroga cerealella (OLIVER) (LEPIDOPTERA,GELECHIIDAE) BY SOME ISOATES OF Beauveria bassiana (BALSAMO) VUILLEMIN ON RICE SEEDS ANBER VARIETY 33 | ||
| IRAQ JOURNAL OF AGRICULTURE | ||
| Article 1, Volume 14, Issue 3, 2009, Pages 0-0 | ||
| Author | ||
| H. K. Jassim | ||
| Abstract | ||
| Result indicated the efficacy of four concentration, of three lsolates (H. K. J, B-JH-T2-53 and Jordanian isolate) of Beauveria bassiana (Balsamo) Vuill were used against the larvae of Angomis grain moth Sitrotroga cerealella (Oliver). When dipping method of rice seed in fungal isolates Suspention were used, the highest larval mortality percentage were caused by fungus concentration of 1×106 spor/ml which reached 91,90 and 90% respectively,while the lowest mortality percentage were cased by the concentration of 1×103 spor/ml (81,78,75)respectively after 15 days of treatment. Results revealed that the treatment of empty sacks of rice seed by using the concentration 1×106 spor/ml can protect the seed against infestation by this insect for 11 months compared with untreated one. Results of statistical analysis showd that no significant differences between isolates with others, but there were signifrcant differnces between fungus concentration and treatment times. | ||
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