ReforestationTreePlanting2022_ TechnicalSpecifications002.pdf
PDF 108 KB Posted
- Solicitation number
- 22-422DNR-RESCO-B-26852
- Issued by
- St. Clair County, Illinois
About this file
This document is a technical specification for the proper care and handling of live, cold dormant tree seedlings for a reforestation project in Illinois. It outlines the required procedures for transporting, storing, and planting the seedlings to ensure high initial survival rates. Key details include:
The specification covers proper handling of seedling bundles during transport to avoid damage, the need to keep seedlings cool and out of direct sunlight, and requirements to plant seedlings within 48 hours of pickup from the nursery unless a refrigerated unit is used. If seedlings must be held longer than 48 hours, they must be placed in refrigerated storage maintained between 33-38 degrees Fahrenheit. The specification also prohibits storing seedlings longer than necessary and requires planting before leaf flush occurs.
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Text version
ILLINOIS DIVISION OF FOREST RESOURCES
LIVE-COLD DORMANT TREE SEEDLING CARE; SPECIFICATION #002
Improper care of seedling stock is often the major cause in high initial mortality. Proper treatment of these new seedlings during the times of shipping, temporary storage, and planting is necessary to insure initial survival rates.
TREATMENT DURING TRANSPORT – SHIPPING
When certain situations arise and seedlings need to be picked up from a nursery, the following conditions should be taken into consideration:
• Handle bundles gently, avoid seedling bag tears, and avoid crushing. If possible, try not to stack the bundles greater than 2 high without support (like 2 x 4's etc.). When seedling bag tears occur, they should immediately be repaired. Do not leave seedlings unwrapped and exposed to sunlight and or air.
• In order to try to minimize heat stress, the load should be covered with a tarp and moved during the cool portion of the day (early AM or late PM). The tarp should be situated so that there is an air space between the top bundle and the tarp. Do not expose to significant heat or allow seedlings to dry.
* Proper planning of seedling planting operations requires the seedlings to be planted within 48 hours of leaving Mason Nursery unless a mobile Refrigerator unit is used for transport and storage during planting operation from the day seedlings are picked up from Mason Nursery until all seedings are planted. If a mobile refrigerator unit is used seedlings shall be planted within 2 weeks of pickup from Mason Nursery.
TREATMENT DURING OPERATION
A. If seedlings can be planted within 48 hours after pick up from Mason Nursery.
• Leave seedlings in their original, unopened shipping container, until they can be planted.
• Store packages in a cool, well drained, shaded area. Such areas include the north side of an unheated building (like a barn or woodshed), a root cellar, or an improvised lean-to.
• Handle bags gently, avoid tears, and avoid crushing. If possible, try not to stack the bundles greater than 2 bundles high without some form of support. When tears occur, they should immediately be repaired. Do not leave seedlings exposed to sun and or air.
B. If trees must be held longer than 48 hours:
• Place unopened seedling packages in refrigerated cold storage unit.
• Refrigerator unit should keep seedlings at a temperature of 33o to 38o Fahrenheit. This temperature should never be allowed to get above 40o Fahrenheit.
• Walk-in coolers make good holding areas for seedlings.
• If possible, try not to stack the bundles greater than 2 high without some form of support.
• Remove trees only as needed.
• Do not store longer than necessary. Seedlings should be planted before leaf flush occurs.
December/2021
File details come from the government source that posted it. Updated .