Study of the persistence of two entomopathogenic bacteria on the vegetation cover of winter soft wheat and soil


Abstract: The bacteria used were isolated from soil at the roots of the date palm in the Algerian Sahara. They are identified as Bacillus sp. (HE799656) and Bacillus sp. (HE805963). Wheat cultivation took place in pots placed under greenhouse and the treatment was carried out at full tillering stage, the soil used in the study of persistence is taken from pots in which we conducted a culture wheat. The results showed that the two bacteria persist for a limited period on the foliage unlike soil constitutes a seat favorable of development of these two microorganisms.

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