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The points of contact between Rutgers Cooperative Extension Service and the grower & business communities are the NJ County Agricultural Agents. The agents are a tremendous source of information for both new and experienced growers. Visit your local county extension office.

Tuesday, May 21, 2013

Week of Cloudy Weather Condusive to Lettuce Tipburn

This predicted week of cloudy weather should make lettuce growers take note of conditions in their fields. Any lettuce crops that are one-three weeks away from harvest are susceptible to internal lettuce tipburn caused by low evapo-transpiration (Et) induced Calcium deficiencies in the rapidly expanding new leaves in the core of the head. Supplemental foliar applications of Ca with airblast sprayers to get it into the head as much as possible may help reduce the incidence of tipburn. More details about lettuce tipburn can be found on pages 6-9 of the Proceedings of the 2012 NJ Vegetable Conference here.
--Rick VanVranken