Rootstock and fruit canopy position affect peach [Prunus persica (L.) Batsch] (cv. Rich May) plant productivity and fruit sensorial and nutritional quality

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• 作者：Gregorio Gullo ; Antonio Motisi ; Rocco Zappia ; Agostino Dattola ; Jacopo Diamanti ; Bruno Mezzetti
• 关键词：Peach ; Rootstock ; Canopy ; Photosynthetically active radiation ; Production efficiency ; Polyphenols ; Total antioxidant capacity
• 刊名：Food Chemistry
• 出版年：15 June, 2014
• 年：2014
• 卷：153
• 期：Complete
• 页码：234-242
• 全文大小：752 K

文摘

The right combination of rootstock and training system is important for increased yield and fruit sensorial and nutritional homogeneity and quality with peach [Prunus persica (L.) Batsch]. We investigated the effects of rootstock and training system on these parameters, testing the effect of vigorous GF677 and weaker Penta^{鈭?/sup> rootstock on 鈥楻ich May鈥?peach cultivar. Fruit position effects regarding photosynthetically active radiation availability, along the canopy profile using the Y training system, were investigated. The positive relationships between total polyphenols content and antioxidant capacity according to canopy vigour and architecture were determined for the two scion/stock combinations. Changes in fruit epicarp colour and content of bioactive compounds were also determined. Lower-vigour trees from Penta鈭?/sup> rootstock grafting yielded larger fruit with improved skin overcolour, and greater total polyphenols content and antioxidant capacity. GF677 rootstock produced more vigorous trees with fruit with lower sensorial and nutritional parameters. Canopy position strongly affects fruit sensorial and nutritional qualities. These data define potential for improvements to peach production efficiency and fruit quality, particularly for southern Europe peach cultivation conditions.}