I have varying questions from time to time, in relation to plant health...so I'll just start a thread for that.
1) just got back from the Orlando Conference, and in a CODIT Principle session, Dirk Dujesiefken spoke briefly of trees' wound wood reaction to pruning being considerably faster when pruning cuts are made during the growing time of year, and that, in terms of preventing decay spread, is better for the tree...showed a couple slides of 1 yr old pruning wound (I think) area that had been cut in half to show the internal decay difference between dormant and growing season...the dormancy wound having substantially more spread of internal decay because of the period of time it took after the pruning cut until wound wood started taking place.
Dormancy seems to be the primary most recognized time of year to prune...
ie: http://www.davey.com/arborist-advice/articles/dormant-pruning/
Sorta causing me to rethink things. There are pathogens to consider in relation to all this, w different species, like elms and oaks, but what about all the others? Should every tree genus or species be individually weighed, with consideration of the possibility of insects, bacteria, and fungi invasion...weighed against the fact that (per that class)dormant pruning allows for more spread of internal decay? And how is that possible in light of fungi are most surely dormant during winter..?
Sorry if all the above is only clear as mud. Seems oftentimes, the more I try to learn, the more confused I become. Maybe I should've asked all this after the class.
Thoughts?
1) just got back from the Orlando Conference, and in a CODIT Principle session, Dirk Dujesiefken spoke briefly of trees' wound wood reaction to pruning being considerably faster when pruning cuts are made during the growing time of year, and that, in terms of preventing decay spread, is better for the tree...showed a couple slides of 1 yr old pruning wound (I think) area that had been cut in half to show the internal decay difference between dormant and growing season...the dormancy wound having substantially more spread of internal decay because of the period of time it took after the pruning cut until wound wood started taking place.
Dormancy seems to be the primary most recognized time of year to prune...
ie: http://www.davey.com/arborist-advice/articles/dormant-pruning/
Sorta causing me to rethink things. There are pathogens to consider in relation to all this, w different species, like elms and oaks, but what about all the others? Should every tree genus or species be individually weighed, with consideration of the possibility of insects, bacteria, and fungi invasion...weighed against the fact that (per that class)dormant pruning allows for more spread of internal decay? And how is that possible in light of fungi are most surely dormant during winter..?
Sorry if all the above is only clear as mud. Seems oftentimes, the more I try to learn, the more confused I become. Maybe I should've asked all this after the class.
Thoughts?