Evaluation of spray techniques of Bacillus thuringiensis (Berliner) for the control of Lobesia botrana (Den and Schiff) in grapevine.

摘要

Field trials were conducted during 1989-90 in Italy to assess the effects of low rates of application of Bacillus thuringiensis (localizing sprays in clusters) for the control of Lobesia botrana on grapes (cv. Merlot and Lambrusco). Results suggested that the control level achieved using B. thuringiensis would not be severely affected by a 40% reduction in the amount of spray used.