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Title: CONTROL OF IMMATURE AND ADULT GLASSY-WINGED SHARPSHOOTERS: EVALUATION OF BIORATIONAL INSECTICIDES FOR ORGANIC USE.

Author
item AKEY, DAVID
item BLUA, MATTHEW - UCR, RIVERSIDE, CA
item HENNEBERRY, THOMAS
item CIVEROLO, EDWIN
item TOSCANO, NICK - UCR, RIVERSIDE, CA

Submitted to: CDFA Pierce's Disease Control Program Research Symposium
Publication Type: Proceedings
Publication Acceptance Date: 12/1/2003
Publication Date: 12/1/2003
Citation: Akey, D.H., Blua, M., Henneberry, T.J., Civerolo, E.L., Toscano, N.C. 2003. Control of immature and adult glassy-winged sharpshooters: evaluation of biorational insecticides for organic use.. CDFA Pierce's Disease Control Program Research Symposium. pp. 278-281

Interpretive Summary: We conducted a pyrethrum synergism study for organic control of glassy-winged sharpshooter (GWSS) that evaluated rosemary oil, or cinnamon oil (as cinnamic aldehyde) as piperonyl butoxide PIP (synergist) substitutes. Pyrethrum, alone or combined with PIP, was not consistent in efficacy against GWSS. Pyrethrum and pyrethrum and PIP gave effective GWSS control in a June 2003 trial but not in two September trials (2002, 2003). Efficacy of PIP alone was not significant from controls in any of the trials. No significant synergism occurred between pyrethrum and PIP. Neither Hexacide(r) nor Cinbacure(r) alone controlled GWSS in this study; nor did they synergize pyrethrum.

Technical Abstract: We conducted a pyrethrum synergism study for organic control of glassy-winged sharpshooter (GWSS) that evaluated rosemary oil, or cinnamon oil (as cinnamic aldehyde) as piperonyl butoxide PIP (synergist) substitutes. Pyrethrum, alone or combined with PIP, was not consistent in efficacy against GWSS. Pyrethrum and pyrethrum and PIP gave effective GWSS control in a June 2003 trial but not in two September trials (2002, 2003). Efficacy of PIP alone was not significant from controls in any of the trials. No significant synergism occurred between pyrethrum and PIP. Neither Hexacide(r) nor Cinbacure(r) alone controlled GWSS in this study; nor did they synergize pyrethrum.