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. 2024 May 28;15:1384602. doi: 10.3389/fpls.2024.1384602

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Copyright © 2024 Dogramaci, Sarkar, Finger, Shetty and Fugate

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Formation of suberin polyphenolics (SPP) at the first tangential cell layer of the wounded surface of potato tuber tissues (cvs. Chieftain, Dakota Rose, Dakota Ruby, Red LaSoda, and Red Norland). Picture depicts the variations in the SPP formation (40x magnification) with different treatments (Control, fluridone-FL, chitosan oligosaccharide-COS, and cranberry pomace residue- Nutri-Cran) at 3 d after wounding. Data indicates the SPP rating based on the scale developed by Lulai and Corsini, 1998. At 3 d (A), contiguous SPP formation was noticed in all potato cultivars, while with elicitor treatments (COS and Nutri-Cran) SPP accumulation expanded to 50-80% of the first cell layer. Different lowercase letters represent statistically significant differences between cultivar × treatment interaction based on Tukey’s HSD test at 95% confidence level.