Abstract
Eighteen new hexyl esters of 2-naphthyloxyacetic acid (β-NOA) were synthesized and their efficiency on sucker control of grapevine was investigated. Different solutions (0.5, 1, and 2%, w/w concentrations) of each compound were sprayed on suckers and the wilting effect after 4, 10, and 30 days after treatment was evaluated. Esters derived from primary and secondary alcohols gave a rapid control of suckers, whereas tertiary alcohol derivatives showed milder activity. Moreover, all compounds proved to cause a long-lasting inhibition effect on the growth of new suckers even 1 year after treatment, especially when applied at a 2% concentration.
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Dolci, M., Galeotti, F., Curir, P. et al. New 2-naphthyloxyacetates for trunk sucker growth control on grapevine (Vitis vinifera L.). Plant Growth Regulation 44, 47–52 (2004). https://doi.org/10.1007/s10725-004-1881-3
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DOI: https://doi.org/10.1007/s10725-004-1881-3