Probability of Spring Frosts, Not Growing Degree-Days, Drives Onset of Spruce Bud Burst in Plantations at the Boreal-Temperate Forest Ecotone

• Published in: Frontiers in plant science Vol. 11; p. 1031
• Main Authors: Marquis, Benjamin, Bergeron, Yves, Simard, Martin, Tremblay, Francine
• Format: Journal Article
• Language: English
• Published: Frontiers Media S.A 22.07.2020
• Subjects: bud phenology; growing degree-days; leaf-out; photoperiod; Picea; Plant Science; spring frost

Climate warming-driven early leaf-out is expected to increase forest productivity but concurrently increases leaf exposure to spring frosts, which could reduce forests' net productivity. We hypothesized that due to their damaging effect on buds, spring frosts exert a stronger control on bud phe...