BIO Web of Conferences
Volume 3, 201437th World Congress of Vine and Wine and 12th General Assembly of the OIV (Part 1)
|Number of page(s)||4|
|Published online||04 November 2014|
Use of plant growth regulators in the conservation of grapes “Italy” as aids in post-harvest
Federal University of Pampa (UNIPAMPA) course – Bachelor of Oenology – Campus Dom Pedrito Address: Twenty-One # 80 April, Dom Pedrito, Rio Grande do Sul (RS) CEP 96450-000, Brazil
a Corresponding author: firstname.lastname@example.org
The objective of this study was to evaluate the effect of plant growth regulators on postharvest fine table grapes “Italy”. The grapes were harvested at a commercial vineyard in the city of Canguçu, RS, Brazil and transported to the UNIPAMPA-Campus Dom Pedrito. The treatments were: distilled water (control); 500 ppb of 1-methylcyclopropene [MCP-1 (12 h at 20 °C)]; 10 μM of salicylic acid and; 100 ppm of ethylene. The design was randomized, where each treatment had three replicates, and each replicate consisted of 3 bunches (about 2 kg). The evaluations were performed on the day of harvest (characterization – day zero) and at 7 and 14 days of storage at 18 °C controlled. It was evaluated: browning of stems, loss of fresh bunch weight, percentage of abscission of berries, rot incidence, total soluble solids – SS (° Brix), percentage of dehydration of the stem, titratable acidity – AT (% tartaric acid), gluconic acid, “ratio” (SS/TA) and density. It was found that the application of 10 mM of salicylic acid in postharvest fine table grapes “Italy” can help a smaller abscission of berries and less dehydration of the stem, which may prolong the shelf life of these grapes.
© Owned by the authors, published by EDP Sciences, 2014
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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