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April 25, 2026

Preliminary results on the application of insect-based chitosan in a Mediterranean vineyard

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Authors

VNVitale NuzzoACAntonio CarlomagnoCSCarmen Scieuzo

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Overview

Randomized trial evaluates chitosan and irrigation effects on grapevine yield and quality, indicating water stress impacts.

Key Points

  • This research aims to assess how irrigation management and chitosan application influence grapevine physiology and yields.
  • Factorial experimental design (2x2n) applied in a Mediterranean vineyard.
  • Grapevine variety assessed: Vitis vinifera L., cv ‘Primitivo’ N.
  • Comparison of irrigated (I) and drought-stressed (D) vines.
  • Irrigated vines showed 30% higher stomatal conductance compared to drought-stressed vines.
  • Drought-stressed vines had an 18% reduction in cluster fresh mass and a 52% reduction in yield.
  • Chitosan spray did not significantly affect physiological traits or yield, acting as a potential anti-transpirant.

Cite This Study

Nuzzo et al. (2026) studied this question.

synapsesocial.com/papers/69ec5a6b88ba6daa22dabff2https://doi.org/10.1051/bioconf/202623504002/pdf
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