What question did this study set out to answer?

To evaluate grafting methods and optimal timing for walnut multiplication to improve planting material quality.

June 19, 2026HorticulturaeOpen Access

Evaluation of Walnut (Juglans regia L.) Grafting Performance by Optimizing Methods and Execution Periods Using TOPSIS Multicriteria Analysis

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Randomized trial evaluates grafting success in walnut genotypes under controlled conditions, suggesting optimal methods and timing.

To evaluate grafting methods and optimal timing for walnut multiplication to improve planting material quality.
Compared chip and patch budding methods for grafting eight walnut genotypes on a local biotype.
Conducted the study under high-tunnel conditions from 2022 to 2024, quantifying physiological parameters of grafting success.
Utilized TOPSIS multi-criteria analysis to rank grafting methods based on success rates and physiological parameters.
Chip budding method showed a 51.3% grafting success rate compared to 32.9% for patch budding, indicating superior efficiency.
TOPSIS analysis identified chip budding in April as the optimal method across evaluated parameters.
Overall findings support improved walnut multiplication practices to mitigate climate risks and enhance certified planting material output.

Zlati et al. (2026) studied this question.

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