The Influence of Rootstock and High-Density Planting on Apple cv. Auksis Fruit Quality

Global demand for food is increasing each year, but the area of land suitable for farming is limited. Thus, there is a need to grow not only larger quantities of food but also higher quality food products in the same area. This study aimed to evaluate the influence of rootstock and high-density orch...

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Bibliographic Details
Published in:Plants (Basel) 2021-06, Vol.10 (6), p.1253
Main Authors: Laužikė, Kristina, Uselis, Nobertas, Samuolienė, Giedrė
Format: Article
Language:English
Subjects:
Acids
Antioxidants
Apples
Carbohydrates
Food
Food quality
Free radicals
Fruit trees
Fruits
Glucose
Land degradation
Leaves
Magnesium
Malus domestic
mineral elements
Orchards
Organic acids
Phenolic compounds
Phenols
Photosynthesis
Planting
Planting density
Potassium
Rootstocks
Trees
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Summary:Global demand for food is increasing each year, but the area of land suitable for farming is limited. Thus, there is a need to grow not only larger quantities of food but also higher quality food products in the same area. This study aimed to evaluate the influence of rootstock and high-density orchards on cv. Auksis fruit quality. Two rootstocks were selected for this experiment, P 22 super dwarfing and P 60 dwarfing. Apple trees cv. Auksis were planted in the year 2001 in single rows spaced 1.00 m, 0.75 m, and 0.50 m, apart with 3 m between rows. High-density planting and rootstock combination was found to have no significant effect on sugar accumulation and most of the elements in apple fruits. However, super dwarfing P 22 rootstock accumulated significantly higher (up to 45%) content of organic acids and up to 33%–44% lower DPPH free radical scavering activity compared to P 60 dwarfing rootstock. After summarizing the obtained results, apples which accumulated the most antioxidants (according to the activity of phenolic compounds, DPPH• and ABTS•), magnesium, and potassium were collected from cv. Auksis apple trees which was grafted on super dwarfing P 22 rootstock and planted at 3 × 0.75 m distances.
ISSN:2223-7747
2223-7747
DOI:10.3390/plants10061253