Pigment system of photosynthetic apparatus of winter wheat for the action of trace element zinc
Journal Title: «Таврійський науковий вісник» - Year 2018, Vol 102, Issue
Abstract
The article reflects the results of field experience obtained during 2013-2015. Purpose-to study the effect of chelated and inorganic forms of zinc on the pigment system of winter wheat, taking into account the agrochemical background, methods and timing of application of trace elements. The experiments were carried out on the black soils of the southern low-humus heavily loamy well-cultivated. Studied two agrochemical backgrounds: 1 – without fertilizers; 2 – N90P60K40. Methods of application of trace elements: in the soil in pre-sowing cultivation at a dose of 2.0 kg/ha, foliar application -250 g / ha in the phases of tillering, stemming and tillering + stemming. Form of any zinc – sulfate salt and complexant zinc oksietilidendifosfonovaya acid (HEDP). Mineral fertilizers were introduced in the form of ammonium nitrate, granulated superphosphate and potassium salt, as well as superphosphate with the inclusion of zinc complexonate (0.75%). The predecessor of winter wheat varieties knop-black steam. It was found that the use of the trace element zinc as a complex salt with eedf reduces the negative effects of drought and increases the productivity of winter wheat plants by 8,0-19,4% depending on weather conditions. It is shown that the physiological effect of the trace element zinc on wheat plants knopa was to delay the degradation of the pigment complex, increasing the content of chlorophyll and carotenoids.
Authors and Affiliations
А. І. КРИВЕНКО, С. І. БУРИКІНА
Keywords
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