THE EFFECT OF IRON FOLIAR FEEDING ON PHYSIOLOGICAL PARAMETERS OF DURUM WHEAT
Keywords:
entomicro, TUD growth stages, morphological and physiological parameters, durum wheatAbstract
A field experiment was carried out to evaluate the influence of foliar application of iron on growth and physiological parameters of wheat (Triticum durum. Zilol cultivar) at various growth stages, during the growing season 2023 2025 at Karshi district Station, Kashkadarya region. The experiment was laid out in a systematic complete block design with three replications. Durum wheat plants were exposed to four treatments: Absolute control, Fe applied to plants at Feekes growth stage tillering, Fe applied to plants at Feekes growth stage stem elongation, Fe applied to plants at growth stage early booting. The treatments were foliar application of Fe using entomicro 1.0; 1.5; 2.0 kg/ga and TUD 6 g/l; 9 g/l; 12 g/l. Foliar solution of Fe was sprayed with a hand held pump sprayer on plant foliage. Soil samples were collected before sowing of crop from 0-25 cm depth and analyzed for chemical and physical properties. Data analysis showed that there were significant differences among treatments on plant height, flag leaf area and flag leaf chlorophyll content. The highest flag leaf area (44.3 cm2 and 42.3 cm2) and chlorophyll (10.0 and 8.8 SPAD value) were obtained from the foliar application of Fe at stem elongation stage, in comparison with the control. The data suggest that foliar application of Fe during vegetative growth stages can maximize plant growth and development of wheat.
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