New 2-naphthyloxyacetates for trunk sucker growth control on grapevine (Vitis vinifera L.) |
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| Authors: | Marcello Dolci Francesco Galeotti Paolo Curir Luca Schellino Giuliana Gay |
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| Institution: | (1) Dipartimento di Valorizzazione e Protezione delle Risorse Agroforestali, Università di Torino, Via L. da Vinci 44, TO, Italy;(2) ISF, Corso Inglesi 508, (IM), Italy;(3) Centro per il Miglioramento Genetico e la Biologia della Vite, CNR, Via L. da Vinci 44, (TO), Italy |
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| Abstract: | Eighteen new hexyl esters of 2-naphthyloxyacetic acid ( -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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| Keywords: | Anti-bud-break Growth regulator Hexyl esters  -NOA" target="_blank">gif" alt="beta" align="MIDDLE" BORDER="0">-NOA Sucker control |
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