ISHS Acta Horticulturae 243: IV International Symposium on Research and Development on Orchard and Plantation Systems
STRESS-MEDIATED RESPONSES OF OWN ROOTED PEACH CULTIVARS |
| Authors: | Gary A. Couvillon, M. Rieger, J. Aparisi, R. Harrison, J. Daniell |
| Abstract:
Peach trees on their own roots were able to withstand greater levels of water stress than trees propagated on 'Lovell', 'Nemagard' or 'Halford' seedling rootstocks. Own rooted trees had a higher leaf water potential and a greater level of stomatal conductance under conditions of lower soil moisture than trees on seedling roots. Field studies showed that mature trees on their own roots had a greater yield efficiency and produced larger fruit under conditions of water stress than did trees on seedling rootstocks. Leaf calcium levels were greater on trees on their own roots than those propagated to seedlings. | |
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