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Journal Title Abbrev.
J. Elem.
ISSN – 1644-2296
DOI: 10.5601

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Effect of concentrations and forms of boron on the nutritional status of tomato (Lycopersicon esculentum Mill.) grown on rockwool

Wydanie: 2/2019

Otrzymano: Maj 25, 2018

Zaakceptowano: Styczeń 07, 2019

Opublikowano online: 2019-02-06


Markiewicz B.

Kategorie: Horticulture and forestry

DOI: 10.5601/jelem.2018.23.4.1686


Hydroponic systems are very often used for tomato production in the greenhouse. An important role in the diagnosis of a plant nutritional status is played by leaf analysis. Boron toxicity is crop specific, manifesting itself as damage to the tissues where it accumulates, and generally leading to chlorosis and necrosis, first at the edges of mature leaves. The aim of the study was to assess the effect of varying boron levels in the nutrient solution used for fertigation of two tomato cultivars (Alboney F1  and Emotion F1), supplied in the form of boric acid and borax. A plant-growing experiment was conducted in 2009 – 2012 (Experiment I) and 2013 – 2014 (Experiment II). A standard nutrient solution for tomato cultivation was used with the following nutrient content (in mg·dm-3): N-NH4 – 2.0, N-NO3 – 230, P – 50, K – 420, Ca – 140, Mg – 60, Cl – 30, S-SO4 – 120, Fe –1.80, Mn – 0.3, Zn – 0.50, Cu – 0.07. The following combinations were tested (mg·dm-3): Control (0.011), 0.4, 0.8, 1.6 in the form of: Na2B4O7·10H2O (Experiment I) and boric acid H3BO3 (Experiment II); (combinations denoted by the symbols B-I, B-II, B-III, and B-IV, respectively). Analyses were conducted on the effect of boron fertigation on the macro- and micronutrient content in leaves of tomato grown on rockwool. Supplied boric acid, the variety significantly differentiated the content of phosphorus (B-III and B-IV), potassium (B-III), magnesium (B-I to B-IV), iron (B-I and B-II), zinc (B-I and B-III), copper (B-IV). When standard borax was used, the variety modified the content of potassium (B-IV), calcium (B-I and B-IV), magnesium (B-I and B-II), iron (B-III), manganese (B-I to B-IV), copper (B-IV).  


Markiewicz B. 2019. Effect of concentrations and forms of boron on the nutritional status of tomato (Lycopersicon esculentum Mill.) grown on rockwool. J. Elem., 24(2): 829-841. DOI: 10.5601/jelem.2018.23.4.1686

Słowa kluczowe:

macronutrients, micronutrients, sodium tetraborate, boric acid

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