2023. Summer Applications of Plant Growth Regulators, Ethephon And 1-Naphthaleneacetic Acid, Do Not Promote Return Bloom or Reduce Biennial Bearing in Seven High-Tannin Cider Apple Cultivars. Journal of the American Pomological Society. 77, 2 (Apr. 2023), 75–92. DOI:https://doi.org/10.71318/apom.2023.77.2.75.