Influence of Gibberellic Acid (GA ) on Fruit Quality of Sweet Cherries ...

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Dr. Ed Proebsting <strong>of</strong> WSU was one <strong>of</strong> the first to report on the use <strong>of</strong> <strong>GA</strong> on sweet cherries to delay maturity and improve quality (firmness) (Proebsting, 1972 WSU Extension Multilith 3520) 1970’s Orchard and Vineyard Show, Traverse City, MI – Jan 21-22, 2009 6
unction Products Available Research Experience . Inhibit Flowering <strong>GA</strong> 3 , <strong>GA</strong> 4 , <strong>GA</strong> 7 Apples, Peaches, Cherries . Promote Flowering Ethrel, NAA Apple . <strong>Influence</strong> fruit ripening and quality <strong>GA</strong> 3 , <strong>GA</strong> 4 , <strong>GA</strong> 7 , Ethrel, Retain . Fruit thinning Carbaryl*, NAA, BA, Surfactants, . <strong>Influence</strong> ethylene synthesis Orchard and Vineyard Show, Traverse City, MI – Jan 21-22, 2009 - these products are not plant growth regulators Cherries, Apples, Peach Apple, Peach Ethrel, MCP, ReTain Apple, Peach . Fruit finish <strong>GA</strong>, Koalin Clay* Apple, . Change fruit shape Benzyl adenine (BA) Apple . Reduce Preharvest drop . Reduce Vegetative growth NAA, ReTain Apple, Peach Apogee Apple, Peach 7
Page 1 and 2: Orchard and Vineyard Show, Traverse
Page 3 and 4: University of Guel
Page 5: PGR Responses Auxin Gibberrellin Cy
Page 9 and 10: Benefits of <stron
Page 11 and 12: Materials and Methods - 2004 Plant
Page 13 and 14: Fruit firmness (kg) 0.25 0.20 0.15
Page 15 and 16: Fruit Colour (1 st harvest) Fruit c
Page 17 and 18: 2003 Data Orchard and Vineyard Show
Page 19 and 20: Mean Fruit Weight (g) 10 9 8 7 6 5
Page 21 and 22: Table 1. Effect of
Page 23 and 24: ‘Hedelfingen’ fruits on July 11
Page 25 and 26: Further Information The MSU Fruit M
Page 27 and 28: http://www.plant.uoguelph.ca/treefr

Influence of Gibberellic Acid (GA ) on Fruit Quality of Sweet Cherries ...

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