Activitatea biologica a tulpinilor autohtone de Bacillus Thuringiensis in combaterea gândacului din colorado

Abstract

Entomopathogenic bacterial biopreparations have an important role in controlling harmful insects in agriculture, giving the possibility not to use dangerous pesticides and environmental pollution to minimize soil degradation; beneficial bacteria turn plant residues into organic fertilizers. In the control, the development of larvae increased from 109 to 221 larvae. And in the variant Bacillus thuringiensis 107 before processing there were 141, 6 larvae and after processing it dropped to 80, 6 larvae.