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Tapping guidelines for maple syrup production

Guidelines for tapping maple trees have existed for well over 100 years. Early tapping guidelines came about when buckets (gravity collection) were the only technology available for harvesting sap. New tapping guidelines are based on years of research into maple tree growth, sap harvesting practices/technology and a recognition that tree diameter alone does not fully explain all the factors that determine if tapping intensity in a given sugarbush is sustainable. This fact sheet presents sustainable tapping guidelines.

Date:
April 9, 2023

Why Does the Sap Stop Running After a Few Days if it Doesn’t Freeze Again?

Without a freeze, the flow of sap will continue to slow and eventually stop because there is no longer a difference between the pressure inside and outside of the tree. However, producers often observe an uptick in sap flow during the daytime over a few days. Why does this occur? Where did the extra sap come from? Typically, these short bursts of increased sap flow happen when the temperature warms over the next few days. The warm temperature causes gas bubbles in the wood fibers to expand and squeeze more water from the wood tissues, where it flows into the vessels and out through the taphole. This might occur for a couple of days, and eventually turn into slow weeping flows before ceasing entirely.

Publication:
Maple Syrup Digest
Date:
March 27, 2023

Judging Syrup: The Industry is the Winner

Judged maple syrup contests originated as a friendly competition amongst producers in the early part of the 20th century. More recently, these competitions have evolved into a valuable opportunity for producers to improve their practice and evaluate their production methods. The grading system employed in the judging process facilitates communication about the uniqueness of pure maple syrup. The world standard definitions, uniform grading system, and related guidelines have been developed to promote uniformity throughout the maple industry. In competition, the same standards apply, regardless of where the contest is being held. As maple judging has evolved, so have the guidelines. Every region has contributed to the refinement of these criteria, as the process of judging has become more sophisticated and widespread. Producers throughout the US and Eastern Canada have begun to embrace maple judging as they understand the value of knowing how to make syrup to a high standard. Consumers benefit from the emphasis on taste, and off-flavored syrup is kept out of the market.

Publication:
Maple Syrup Digest
Date:
March 27, 2023

Effect of Climate Change on Maple Syrup Producers

While there are both good and bad impacts on maple syrup producers due to climate change, overall, the effects will be negative. On the plus side, longer summers mean longer growing seasons for maple trees. However, regionally this longer growing season will increasingly be accompanied by periods of extended drought – particularly in more southern latitudes. This in turn may hinder root growth and performance. As maple syrup producers we are aware that anything which negatively effects maple tree roots is a concern because the roots are the origin for sap movement in the spring.

Publication:
Maple Syrup Digest
Date:
March 27, 2023

Assessing Damage to Maple Sapwood Caused by Tapping

The area of stained sapwood associated with tapping or other wounds in maple trunks has long been interpreted to represent the area of wood that is compartmentalized, and thus unavailable for sap flow. We tested this interpretation by passing dye through maple stems that had been tapped and observing the area that was blocked. Our results indicate that the blocked portion of the trunk associated with a wound taphole is somewhat larger than the area which is visually compartmentalized (stained).

Date:
March 20, 2023

Ask Proctor: Why Isn’t Sap Yield from a Tree the Same Every Year?

We occasionally hear the question: “Even if the season is late or short, shouldn’t there be the same amount of sap produced during the time that does run than there
would have been if it were longer season or happened at ‘the usual’ time?”

Publication:
Maple Syrup Digest
Date:
March 1, 2023

How to Use Maple

Join Future Generations University Appalachian Program and guest speaker Catherine Belisle, Ph. D., Cornell University, as she discusses “How to use maple” Catherine will breakdown maple syrup into a science and discuss various maple foods and beverages that can be created and sold.

Date:
February 27, 2023

Innovations in Maple Sap Collection Systems: Spouts

Maple sap tubing collection systems have undergone continuous evolution since being introduced. Over the past several decades, spouts in particular have changed considerably, with a marked shift towards smaller (1/4”, 19/64”, or 5/16”) spouts, developed and introduced by CDL.

Publication:
Maple Syrup Digest
Date:
December 15, 2022

Study Suggests Promising Ways to Market Maple

In 2020, the New York State Maple Producers’ Association, in cooperation with the NYS Department of Agriculture and Markets, applied for and was awarded a USDA Acer Access and Development Program grant to conduct market research on the US consumer maple target audience. The project was designed to expand research, education, and extension efforts involving market sizing, audience research, and message testing, development, and planning to: 1) identify market opportunities, 2) optimize messaging, and 3) develop a market promotion and evaluation plan. The purpose of this work is to develop marketing tools and methods to increase the awareness of, and a rationale for, choosing pure maple syrup among audiences representing the greatest market opportunity. The program will achieve this goal through the development of research-driven messaging, market promotion strategies, and communications planning.

Publication:
Maple Syrup Digest
Date:
December 1, 2022