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High-Density Plantings of Olive Trees Are Tolerant to Repeated Applications of Indaziflam

Published online by Cambridge University Press:  20 January 2017

Timothy L. Grey ,
Keith Rucker ,
Theodore M. Webster  and
Xuelin Luo
Timothy L. Grey*
Affiliation:
University of Georgia, Tifton Campus, 2360 Rainwater Road, Tifton, GA 31793
Keith Rucker
Affiliation:
Bayer Crop Science, Tifton, GA 31794
Theodore M. Webster
Affiliation:
USDA–ARS, Davis Road, Tifton, GA 31793
Xuelin Luo
Affiliation:
University of Georgia, Tifton Campus, 2360 Rainwater Road, Tifton, GA 31793
*
Corresponding author's E-mail: tgrey@uga.edu
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Abstract

Olive production in the southeastern United States has recently begun to increase from demand for locally produced virgin olive oil. With no established commercial production as a reference, information about the effects of indaziflam residual herbicide on newly established trees was evaluated over time for up to 3 yr on loamy sand soils. Multiple spring and autumn applications of indaziflam at different rates were applied to the same newly planted or 1-yr-old olive trees in different experiments in consecutive years. Visual injury, height, and caliper diameter measures were taken monthly during the growing season up to six times. Regression analysis of treatments over time indicated no differences in olive tree growth for plots treated with indaziflam at 38, 75, or 150 g ai ha–1 up to five times in 3 yr, compared with nontreated controls. This information will be beneficial as olive growers seek viable weed control options when establishing new groves in the region.

Keywords

Indaziflamolive, Olea europaea L. ssp. europaea.Soil residual herbicidecrop injury
Type
Soil/Air/Water
Information
Weed Science , Volume 64 , Issue 4 , December 2016 , pp. 766 - 771
Copyright
Copyright © 2016 by the Weed Science Society of America 

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Footnotes

Associate Editor for this paper: Hilary Sandler, University of Massachusetts.

References

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