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To evaluate the impact of foliar fertilizers and plant growth regulators on the productivity and quality of high-oleic sunflower hybrids.

Productivity and Quality of High-Oleic Sunflower Seeds as Influenced by Foliar Fertilizers and Plant Growth Regulators in the Left-Bank Forest-Steppe of Ukraine

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To evaluate the impact of foliar fertilizers and plant growth regulators on the productivity and quality of high-oleic sunflower hybrids.
Conducted a three-year field experiment in Ukraine's Left-Bank Forest-Steppe region.
Assessed seven different foliar applications on five high oleic sunflower hybrids.
Measured parameters included plant height, seed yield, oil content, and oleic acid content.
Hybrids PR64H32 and SY Experto achieved the highest average seed yields at 3.73 t/ha and 3.69 t/ha respectively, with no significant differences (P<0.05).
Sequential foliar applications increased average seed yield by 0.19-0.36 t/ha compared to control.
Foliar applications resulted in oil content increases of 0.6-1.6% and oleic acid content increases of 1.8-4.1% across hybrids.

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Randomized trial assesses seed yield and quality in high-oleic sunflower hybrids, indicating beneficial effects of foliar applications.

MELNYK et al. (2019) studied this question.

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