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Drought Stress and Water Availability for Maple Sap Production: A Correction

Sap flow and stem pressure in sugar maples during winter dormancy depend on the expansion and contraction of gas bubbles. These gas bubbles are primarily located in the libriform fibers of wood tissues, not in the xylem vessels. Though there are gas bubbles (embolisms) in the xylem vessels, these bubbles are not the dominant drivers of stem pressurization.

Does FSMA’s Preventive Controls Rule Apply to your Maple Operation?

Some maple operations will have compliance requirements under the Preventive Controls for Human Food Rule of the Food Safety Modernization Act or FSMA. Determining where or if your operation falls under this rule is complicated, so our UNH Extension FSMA team has created an online tool that asks you a series of questions and based on your answers tells you where you most likely fall under the rule.

Do Not Use Isopropyl Alcohol as a Maple Sanitizer in the U.S.

Regardless of the availability and guidance provided, maple producers should clearly understand that the use of isopropyl alcohol in maple tubing systems anywhere in the United States is a violation of federal law.

Survey of Important Issues Facing the Maple Industry

In October, in Green Bay, an informal needs assessment survey was conducted by Sumner Dole, Henry Marckres and Kathy Hopkins to identify the most pressing issues facing the maple industry.