Fig. 2
From: Extreme heat affects blueberry pollen nutrition, bee health, and plant reproduction
Mean (± SE) soluble protein content of northern highbush blueberry (cv. ‘Bluecrop’) pollen from flowers exposed to either CT (25 °C, 4 h) or HT (37.5 °C, 4 h) at tight bud, bud swell, bud break, early/late pink bud, or anthesis developmental stages. All pollen was collected at the anthesis stage for metabolite analysis. Significant differences between means (α < 0.05) are indicated by the asterisks above error bars (‘**’ = p ≦ 0.01).
