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

Figure 4.

Figure 4

Formation of SPP at 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 9 d after wounding. Completion of SPP accumulation at second cell layer was observed at 9 d (C) in control sample, while elicitor treatment enhanced SPP accumulation to third cell layer in most cultivars. Different lowercase letters represent statistically significant differences between cultivar × treatment interaction based on Tukey’s HSD test at 95% confidence level.