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The Most Common Problems in Easter Lily Production (2002)


The Most Common Problems in Easter Lily Production


Height control on Easter lilies is typically a problem later in the production schedule when 1) day temperatures increase and 2) plants are more crowded. Easter lily height is con- trolled by either applying a chemical growth retardant (A-Rest or Sumagic) or by reducing the difference (DIF) between day and night temperatures that plants are grown at. It is prefer- able to control elongation by manipulating day and night temperature to reduce DIF. Application of chemical growth retardants can result in some undesirable side effects. A-Rest application can result in increased lower leaf yellowing and loss. In contrast, Sumagic application can increase non- uniformity in a crop and, in some cases, can result in over application and excessive reduction in elongation.

Source: • Minnesota Commercial Flower Growers Bulletin

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