Bodily Management
In case your tree is exhibiting indicators of dogwood anthracnose, prune off any symptomatic areas, together with shoots, epicormic sprouts, or leaves.
The identical goes for any useless areas. Eliminate them instantly and prune down at the very least a foot past the useless space.
You must decide about massive cankers, since these rising on the trunk of the tree won’t be detachable with out killing or critically harming the tree.
Any leaves that fall both throughout the rising season or within the autumn must be raked up and disposed of as quickly as doable.
Don’t put the leaves in your compost pile or use them as mulch anyplace within the backyard.
Do your greatest to stop harm to the tree. Harm can come within the type of holes from borers or it may be trimmers nicking the trunk.
Organic Management
You possibly can harness the ability of useful micro organism and fungi to try to sluggish the development however you possibly can’t ever truly treatment the illness.
Bacillus subtilis is a useful micro organism that may assist sluggish the unfold of the illness as a result of it pushes out the pathogen and in addition invades the physique of the fungi, stopping development and replica.
CEASE Biofungicide
You will discover merchandise like CEASE that comprise Bacillus subtilis out there at Arbico Organics.
B. amyloliquefaciens pressure D747 is one other useful bacterium that works equally to B. subtilis.
Bonide makes a product known as Revitalize that makes use of B. amyloliquefaciens to assist sluggish the progress of illnesses like dogwood anthracnose.
Bonide Revitalize
Choose up 32-ounce ready-to-use or 16-ounce focus at Arbico Organics.
There may be additionally a micro organism often known as Streptomyces lydicus WYEC 108.
It happens naturally within the soil and can be utilized to combat the fungi that causes dogwood anthracnose.
Actinovate AG
Actinovate AG is a product that harnesses this useful micro organism. You will discover it out there at Arbico Organics.
None of those will cease the illness, however they will sluggish it, generally dramatically.
Should you select one in every of these merchandise, mix it with one or two of the next fungicides for the most effective probability at controlling the illness.
Natural Fungicides
As with organic management, fungicides received’t reverse the course of the illness, however they will sluggish or cease its development.
Your typical fungicides like Mancozeb and copper each supply a measure of management. Potassium bicarbonate or hydrogen peroxide can be helpful within the struggle in opposition to anthracnose.
You need to attempt to use a number of totally different management strategies and swap them up each few months. That is to stop resistance to fungicides.
Thymol is usually efficient. Guarda incorporates this ingredient, which is derived from thyme vegetation.
Buy two and a half gallons at Arbico Organics.
Whereas I’ve by no means tried it myself, a neighbor instructed me that they’d nice success with a product that contained an extract from the dreaded large knotweed (Reynoutria sachalinensis).
Large knotweed is wreaking havoc throughout North America as an invasive weed that’s pushing out native species. Fortunately, we will put it to work in controlling dogwood anthracnose.
Regalia biofungicide incorporates this ingredient, which helps the dogwood develop its personal resistance to the pathogen that causes anthracnose.
For that cause, it’s best to use it preventatively or on the very first signal of an infection, together with some organic management or different fungicides.
Regalia Biofungicide
You will discover Regalia in quite a lot of sizes at Arbico Organics.
In the long run, you would possibly have the ability to cease the illness early sufficient which you can save your tree from sure dying.