Akademik Veri Yönetim Sistemi
Journal of Current Opinion in Crop Science, cilt.6, sa.1, ss.6-17, 2025 (Hakemli Dergi)
This study, conducted in the semi-arid region of Turkey,during the 2022/23 cropping season, employed a split-split-plot design with three replications to evaluate the impact ofMepiquat chloride (MC) on the growth, yield, and quality ofnewly developed cotton varieties. The main plot comprisedtwo cotton varieties, while the sub-plots represented two MCapplication timings and the sub-sub plots included four MCdosages. Although statistical analysis revealed that treatmentdifferences were generally not significant for mostparameters, notable trends were identified. In 2022, MCtreatments delayed cotton development, whereas in 2023,they improved fiber quality. The highest fiber percentage wasrecorded under the control treatment in 2023, while in 2022,it peaked at a dosage of 400 mL•ha⁻¹. Among the varieties,Selin showed the highest fiber percentage when MC wasapplied during the bolling stage. Additionally, the shoot-rootratio reached its maximum at 400 mL•ha⁻¹ during harvest in2022 and at 0 mL•ha⁻¹ during the reproductive stage in 2023.These results indicate that the effectiveness of MC inpromoting physiological traits and alleviating drought stressappeared to be closely associated to weather variability,underscoring the necessity for site-specific managementstrategies to achieve optimal outcomes.