Implications of dose-response relationships of herbicide droplet applications for leaf-specific weed control in leeksKoukiasas, N., Martinez-Perez, J., Pilgrim, R. A., Sanford, S. and Murdoch, A. J. (2019) Implications of dose-response relationships of herbicide droplet applications for leaf-specific weed control in leeks. In: Stafford, J. V. (ed.) Precision agriculture ’19. Wageningen Academic Publishers. ISBN 9789086863372 Full text not archived in this repository. It is advisable to refer to the publisher's version if you intend to cite from this work. See Guidance on citing. To link to this item DOI: 10.3920/978-90-8686-888-9_25 Abstract/SummaryWeed control in UK field vegetables faces the problem of producing and maintaining high yields while herbicide active ingredients and amounts applied are reducing. These problems, which are unlikely to be solved with new herbicides or the use of GM crops, call for a paradigm shift in weed control. The concept of leaf-specific weed control was tested. Individual weed seedlings were controlled in the glasshouse by applying a single droplet of herbicide and dose-response relationships were quantified. In the field, manually-applied droplets achieved high levels of weed control in leeks, prevented yield loss and reduced herbicide inputs by up to 77%. Because of the high value of the crop and the higher yields associated with ultra-precise droplet application, it would appear to be economical to apply these droplets using a robotic weeder.
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