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. 2021 Dec 21;11(1):10. doi: 10.3390/plants11010010

Figure 1.

Figure 1

Phytohormone concentrations of (A) salicylic acid (SA) and (B) jasmonic acid (JA) in ‘Hort16A’ and ‘Hayward’ kiwifruit leaf tissue in 2016. Leaves were left unsprayed or were treated with 0.2 g/L Actigard™ (ASM) to induce the SA pathway or with 0.05% v/v methyl jasmonate (MeJA) to elicit the JA pathway. Latania scale crawlers (approximately 200/leaf) were applied seven days later, or leaf wounding (to imitate scale feeding) was achieved with a fine needle. Control plants were left untreated. Seven days after scale application, leaves were sampled for phytohormone measurements. There were five replicate plants per treatment. The Y-axis concentration scale is different for each phytohormone. Probability values from ANOVA are shown in the top right-hand corner of each bar chart, and each chart plots the cultivar × treatment interaction (Cv.Trt). Error bars give the standard errors, and different lettering (a, b, c, d) indicates statistically significant treatment differences, as shown by Fisher’s Least Significant Difference (LSD), p ≤ 0.05.