How to increase the life of your Christmas tree

Washington, Dec 07 (ANI): Researchers have discovered what causes Christmas tree needles to drop off, and how to double the lifespan of Christmas trees in homes.

Universite Laval researchers in collaboration with Nova Scotia Agricultural College, have identified a plant hormone-ethylene-responsible for needle loss in balsam fir. They made the discovery by placing fir branches in containers of water inside a growth chamber. After ten days the branches began to produce ethylene and, three days later, the needles began to drop. After 40 days, the branches were completely bare.

To test that the needle loss was in fact due to the ethylene, the researchers used two chemical compounds that interfere with this hormone: 1-MCP and AVG. After exposing the branches to one of these two products, the needle retention period rose to 73 and 87 days, respectively.

"By Day 40, the branches that had been treated were still green, tender, and fresh-looking, while the untreated branches had lost virtually all their needles," explained Steeve Pepin, co-author of the study and professor at the Faculty of Agriculture and Food Sciences at Universit‚ Laval.

These findings could have a significant impact for Christmas tree producers and consumers alike.

"Since 1-MCP is a gas, it would be feasible to release it into the trucks used to ship the trees," suggested Pepin.

Consumers also stand to benefit from this discovery since it would be possible to dissolve AVG in the water added to the tree stand, which would prolong the tree's lifespan indoors.

"What is really encouraging is that we managed to double the needle retention period of the branches," noted P‚pin.

"However, we still have to prove that we can transpose these findings to the entire tree," he concluded.

The findings has been published in a recent issue of the scientific journal Trees. (ANI)

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