BREZEANU, Petrc Marian; B4REZEANU, Crcola; AMBARUS, Silvica; MUNTEANU, Neculai; DRAGHICI, Elena
May 2013
Metalurgia International;May2013, Vol. 18 Issue 5, p243
Academic Journal
The aim of this study is to present the influence of environmental conditions upon the changes in concentration, distribution and quantity of macro - and microelements in the leaves and in the flesh of tomatoes. Our experiments were set up in tow different period of the year in purpose to conclude the influence of environmental condition in mineral accumulation and also in obtained yield. The investigations were performed on leaves located in different levels of plant. According with leave position on plant we named the leaves (basal - the oldest leaves, middle, and upper - the youngest leaves) in order to establish the influence of age on variation of mineral concentration. Our main interest was in concentration ofAl, B, Ca, Cd. Cr, Cu, Fe, K, Mg, Mn, Na, Ni, P, Pb and Zn. We also analyzed de mineral content in fruit that were harvested at physiological maturity and during maturation process in order to assess the influence of maturity stage in mineral accumulation. The average mineral content in leaves of genotypes grown in first and second cycle registered little difference (2.32% and 2.55%). The basal leaves accumulated a significant increased mineral content compared to that in leaves of medium and upper level. Small differences in the contents of mineral elements were found in genotypes leaves (2.15 to 2.66%) being statistically insignificant. At maturity stage, tomato fruit mineral content ranged between 0.57 and 0.74%. VPL 101 and VPL 100 registered a relatively higher content of minerals. Statistical processing of experimental data showed that VPL 103 and VPL 102 obtained very distinctly significant yield results compared with the control, in both cultures cycles.


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