Simulated Particle and Vapor Drift of Dicamba to ‘Vidal blanc’ Hybrid Grapevine under Missouri Field Conditions

نویسندگان

چکیده

The increasing adoption of dicamba-tolerant soybean ( Glycine max ) increases the potential exposure wine grape Vitis sp.) to dicamba, which off-target injury may occur via particle drift or vapor drift. In Missouri, at one site in 2017 and two sites 2018, research production vineyards focused on effects dicamba hybrid ‘Vidal blanc’ grapevines. During flowering early fruit set, bearing grapevines were exposed low rates delivered as a spray solution 81 161 ppm by from treated soil. Grapevines highly sensitive visible symptoms extended throughout growing season. severity (leaf cupping feathering) was similar three site-years, with greater related than dicamba. Early-season resulted impacting total soluble solids (TSS) content berries yield. At harvest during yield reductions up 45% associated flowering. Across all no significant observed TSS veraison August, measured refractometer. However, final September reduced 12% minimum detection level 10 ng⋅mL −1 , high-performance liquid chromatography mass spectrometry identified levels 33 must over site-years. Unexpectedly, this 125 d after grapevine despite symptomology.

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ژورنال

عنوان ژورنال: Horttechnology

سال: 2021

ISSN: ['1063-0198', '1943-7714']

DOI: https://doi.org/10.21273/horttech04854-21