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Supplemental Table 1 Impacts of sample preparation approaches on observed low temperature exotherms (LTE) of grapevine (Vitis sp.) buds using differential thermal analysis (DTA). Sample preparation was analyzed for individual and interactive effects (individual factor effects; interactions). Preparation, as a combined approach, was also evaluated (full preparation combinations). The default comparison treatment for single factors are foil (versus no), wet (versus dry), and bud orientation thermoelectric module (versus away). Values reported are observed drift in LTE in degrees Celsius (positive indicates higher LTE, negative indicates lower LTE). When indicated under the interaction effect: F, foil; M, moisture; and O, bud orientation. Location 1, New York; Location 2, Washington #1; Location 3, Washington #2. *, **, and *** indicate a significant effect at α ≤ 0.05, 0.01, and 0.001, respectively. n indicates the number of buds/peaks included after outlier removal.
Supplemental Table 2 Impact of bud position along the cane on low temperature exotherm (LTE) values for Experiments 3.1 and 3.2, calculated by each individual cane and averaged when multiple canes were surveyed on the same date. Slope indicates direction of LTE change and p value indicates if the slope is significantly different from zero. Bolded rows are significant at p < 0.05.