Finally, if a limb has broken off, and the break is flush with the trunk.
Remove all jagged edges from the area where the tree limb was cut off. Cut a thin portion of 1/2 inches from the limb stub so the surface will be smooth (the remaining area where the limb Dust off the debris from the stub (this will create a nice surface for the liquid pruning sealer to properly Estimated Reading Time: 7 mins.
Latex sealers can accomplish the goal of the sealing the sap and repelling the insects until the oak tree has healed itself. Organic Natural Tree Sealers – are another option to consider.
Remember the goal is the be able to seal the fresh cut area for at least 10 days. There are Estimated Reading Time: 7 mins. Feb 09, Clean the nozzle after use. When treating damaged or decayed limbs, cut back to sound wood first.
I also hope the extra information about liquid tree sealers provided in this article has been helpful.
When sealing the inside of planters, spray lightly to prevent dripping. When sealing small cracks or seams, make two applications - apply the second coat of Spectracide Pruning Seal after the first has completely dried/5.