ISHS Acta Horticulturae 383: Mineral Nutrition of Deciduous Fruit Plants
IS IT POSSIBLE TO DIAGNOSE THE NUTRITIONAL STATUS OF PEACH TREES BY CHEMICAL ANALYSIS OF THEIR FLOWERS? |
| Authors: | M. Sanz, J. Val, E. Monge, L. Montañés |
| Keywords: | Floral diagnosis, plant analysis, peach tree, Prunus persica L. Batsch |
| DOI: | 10.17660/ActaHortic.1995.383.17 |
| Abstract:
Plant analysis states that it is possible to establish the quantity and quality of the nutrient status of a crop, by testing the nutrient content of leaves. In practice, this method for fruit trees has several limitations, one of the more important being the time for leaf sampling. Derived foliar diagnosis is currently carried out at too late in the season to be of use in helping to solve many nutritional problems. In this paper, the possibility of carrying out an earlier nutritional diagnosis of peach trees, based on floral analysis is discussed. A preliminary set of flower mineral contents (on dry weight basis) for peach tree is given. The average concentrations for major elements (%) and microelements (mg kg-1) were: 2.95 N, 0.40 P, 1.64 K, 0.59 Ca, 0.22 Mg, 292.8 Fe, 24.1 Mn and 55.6 Zn. The correlation between the mineral content of flowers and leaves taken 60 days after full bloom was calculated by using the SPSS system. The correlation coefficients were: 0.309** N, 0.342** P, 0.319** K, -0.214* Ca, -0.012 Mg, 0.222* Fe, 0.455** Mn and 0.026 Zn. | |
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