AI Article Synopsis
- The study evaluates how different rootstocks (GF677 and Penta) and training systems affect the yield and quality of 'Rich May' peaches, focusing on aspects like nutritional content and fruit characteristics.
- It finds that lower-vigour Penta rootstock results in larger, better-quality fruit with higher levels of polyphenols and antioxidant capacity, while the more vigorous GF677 yields fruit with inferior qualities.
- The position of fruit on the tree significantly impacts its quality, highlighting the potential for optimizing peach production, especially in southern European climates.
Article Abstract
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 rootstock on 'Rich May' 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 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.
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| http://dx.doi.org/10.1016/j.foodchem.2013.12.056 | DOI Listing |
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