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#1
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Is My Dogwood Doomed?
One of my small, recently planted (about a year ago) 5-foot tall
dogwood trees has sunscald on the southwest side of its trunk. The patch [of sunscald] is about 2" long and 1/2" wide. Is there any hope, or treatment, for this tree? Patrick |
#2
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Is My Dogwood Doomed?
Good question.
First of all the sun in most likely secondary. Second, Cornus florida dogwoods are understory trees and prefer understory sunlight. Second regardless of the "wound" you should treat the system. can you take a picture of the tree and the wound. here are some of the recommended treatments for your tree system. A picture of the wound would be great! 1st requirement is partial shade. Which type dogwood is it? 2nd fertilizing / mulching. The first step in proper fert. is "feeding" and stimulating the soil micros, that in return, alter the chemical elements such as iron, nitrogen, boron and so on so they are in a form that the tree can absorb. Also the mycorrhizae greatly facilitate the absorption of elements dissolved in water. The fungi portion of the composite organ rely on composted wood as its substrate. In fact in a forest, nurse logs are the substrate for the base of the food web, the mycorrhizal fungi. Anyway, I have specific instructions for mulching he http://www.treedictionary.com/DICT20...ion/mulch.html After mulching organic fertilizer, I recommend organic, because some products such as "Plant Tone" has about 56 or 16 essential elements within. I do not find pleasure pushing products. However, I am recommending to fertilize with as many of the essential elements you can get. I would also cut the recommended dosage on product in half. The element that is lacking will be the element factor. (http://www.treedictionary.com/DICT20...w_minimum.html) If you read the label there are listed the elements the product contain. There are 17 essential elements known of: C; H; N; O; P; K; S; Mg; Ni; Fe; Ca; Zn; Mo; Mn; B; Cl; Cu It used to be 16 essential elements but with techno equipment at Penn State they recognize Ni as an essential element. Also the organic fertilizer helps feed the micros. Fertilize article: http://www.treedictionary.com/DICT2003/shigo/RHIZO.html and http://www.treedictionary.com/DICT2003/shigo/CHEM.html Its also winter time and a good article would be: http://www.treedictionary.com/DICT20...go/WINTER.html maybe the tree was planted too deep. That can create such symptoms. If you are going to water the tree, just water it enough to moisten the absorbing roots which are in the upper 4" of soil most of the time. Do not water at the trunk but away from the trunk. If you decide to prune your tree I would recommend this first. http://www.treedictionary.com/DICT20...e_pruning.html The big thing for your dogwood is soil management and shade. Please get me some pictures of wound, where the trunk meets the soil, and some of the branches. Then I can guide you better. -- Sincerely, John A. Keslick, Jr. Consulting Arborist http://home.ccil.org/~treeman and www.treedictionary.com Beware of so-called tree experts who do not understand tree biology. Storms, fires, floods, earthquakes, and volcanic eruptions keep reminding us that we are not the boss. wrote in message ... One of my small, recently planted (about a year ago) 5-foot tall dogwood trees has sunscald on the southwest side of its trunk. The patch [of sunscald] is about 2" long and 1/2" wide. Is there any hope, or treatment, for this tree? Patrick |
#3
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Is My Dogwood Doomed?
On Dec 24, 4:58 pm, "symplastless" wrote:
Good question. John, Thanks for the reply, and all the info! No sure of the exact type. The tree came from a respected local nursery. I've purchased several from them and have had success. Note the tree was planted at the proper depth. First of all the sun in most likely secondary. Second, Cornus florida dogwoods are understory trees and prefer understory sunlight. I understand this and planted this newest dogwood with a group of other small, newly planted young trees. But the other trees haven't grown quickly enough to offer shade to the young dogwood. I also made a mistake in not turning the tree's most prominent branches towards the sunniest side. However, I did place a 3-4 inch layer of pine needles and woods chips at the base of the tree, extending out about 3-4 feet. (No mulch is within 4-5 inches from the base of the tree.) Plus I added large amounts of used coffee grounds to the soil. I'm unable to post pictures. But the wound goes right down to the bare trunk. The bark just peeled away. To prevent further damage (I know now should have done this to begin with) I painted the S-SW side of the trunk with white interior latex paint. With this info, what's your prognosis? Chop it down and start all over, or wait and see if it recovers? And is recovery even possible? Patrick Second regardless of the "wound" you should treat the system. can you take a picture of the tree and the wound. here are some of the recommended treatments for your tree system. A picture of the wound would be great! 1st requirement is partial shade. Which type dogwood is it? 2nd fertilizing / mulching. The first step in proper fert. is "feeding" and stimulating the soil micros, that in return, alter the chemical elements such as iron, nitrogen, boron and so on so they are in a form that the tree can absorb. Also the mycorrhizae greatly facilitate the absorption of elements dissolved in water. The fungi portion of the composite organ rely on composted wood as its substrate. In fact in a forest, nurse logs are the substrate for the base of the food web, the mycorrhizal fungi. Anyway, I have specific instructions for mulching hehttp://www.treedictionary.com/DICT20...ion/mulch.html After mulching organic fertilizer, I recommend organic, because some products such as "Plant Tone" has about 56 or 16 essential elements within. I do not find pleasure pushing products. However, I am recommending to fertilize with as many of the essential elements you can get. I would also cut the recommended dosage on product in half. The element that is lacking will be the element factor. (http://www.treedictionary.com/DICT20...w_minimum.html) If you read the label there are listed the elements the product contain. There are 17 essential elements known of: C; H; N; O; P; K; S; Mg; Ni; Fe; Ca; Zn; Mo; Mn; B; Cl; Cu It used to be 16 essential elements but with techno equipment at Penn State they recognize Ni as an essential element. Also the organic fertilizer helps feed the micros. Fertilize article:http://www.treedictionary.com/DICT2003/shigo/RHIZO.html and http://www.treedictionary.com/DICT2003/shigo/CHEM.html Its also winter time and a good article would be:http://www.treedictionary.com/DICT20...go/WINTER.html maybe the tree was planted too deep. That can create such symptoms. If you are going to water the tree, just water it enough to moisten the absorbing roots which are in the upper 4" of soil most of the time. Do not water at the trunk but away from the trunk. If you decide to prune your tree I would recommend this first.http://www.treedictionary.com/DICT20...e_pruning.html The big thing for your dogwood is soil management and shade. Please get me some pictures of wound, where the trunk meets the soil, and some of the branches. Then I can guide you better. -- Sincerely, John A. Keslick, Jr. Consulting Arboristhttp://home.ccil.org/~treeman and www.treedictionary.com Beware of so-called tree experts who do not understand tree biology. Storms, fires, floods, earthquakes, and volcanic eruptions keep reminding us that we are not the boss. wrote in message ... One of my small, recently planted (about a year ago) 5-foot tall dogwood trees has sunscald on the southwest side of its trunk. The patch [of sunscald] is about 2" long and 1/2" wide. Is there any hope, or treatment, for this tree? Patrick |
#5
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Is My Dogwood Doomed?
wrote in message ... On Dec 24, 4:58 pm, "symplastless" wrote: Thanks for the reply, and all the info! Thank you. I have some answers that need questions. I also made a mistake in not turning the tree's most prominent branches towards the sunniest side. They will probally find their way soon. However, I did place a 3-4 inch layer of pine needles and woods chips at the base of the tree, extending out about 3-4 feet. (No mulch is within 4-5 inches from the base of the tree.) The distance from the trunk is better than most do it in my area. However, I hope you are not using fresh (symplast maintaining) chips. If there was living cells (parenchyma) in the material chipped, then I would wait one year before spreading. I'm unable to post pictures. But the wound goes right down to the bare trunk. The bark just peeled away. To prevent further damage (I know now should have done this to begin with) I painted the S-SW side of the trunk with white interior latex paint. Painting trees with latex paint stems from a time when women were in charge of everything inside the house. The man was in charge of every thing outside the house. They had two rules. 1. If it moved it got greased. The gate, the barn door etc. 2. If it did not move it got painted white. That meant the rocks, the fence, the trees. May sound funny but that's how painting trees white started. Not going to help your tree though. Wish it would. -- Sincerely, John A. Keslick, Jr. Consulting Arborist http://home.ccil.org/~treeman and www.treedictionary.com Beware of so-called tree experts who do not understand tree biology. Storms, fires, floods, earthquakes, and volcanic eruptions keep reminding us that we are not the boss. |
#6
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Is My Dogwood Doomed?
Sadly due to the ease by which North American dogwoods fall prey to anthracnose, it is generally recommended never to mulch beneath these trees but to keep the area very, very clean of debris. So the details about mulching your dogwood is just terrible advice. A tourniquet around the neck will stop a nose bleed. Starving the soil is extreme! This guy calims rather than mulching over turf grass that the turf grass is better for the tree than mulching correctly? I don't think so: When I say mulching I mean this: http://www.treedictionary.com/DICT20...ion/mulch.html Where do you suppose the tree is going to get let's say the element calcium from? Calcium cames from decaying wood chips. See troubles in the rhizosphere. http://www.treedictionary.com/DICT2003/shigo/RHIZO.html and A Touch of Chemistry http://www.treedictionary.com/DICT2003/shigo/CHEM.html Just for starters. -- Sincerely, John A. Keslick, Jr. Consulting Arborist http://home.ccil.org/~treeman and www.treedictionary.com Beware of so-called tree experts who do not understand tree biology. Storms, fires, floods, earthquakes, and volcanic eruptions keep reminding us that we are not the boss. |
#7
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Is My Dogwood Doomed?
wrote in message
... One of my small, recently planted (about a year ago) 5-foot tall dogwood trees has sunscald on the southwest side of its trunk. The patch [of sunscald] is about 2" long and 1/2" wide. Is there any hope, or treatment, for this tree? Patrick Where do you live? State, country, province, etc. |
#8
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Is My Dogwood Doomed?
About mulch
Trying to grow trees in sick soils is the same as telling a person you have beautiful teeth but your gums must go. -- Sincerely, John A. Keslick, Jr. Consulting Arborist http://home.ccil.org/~treeman and www.treedictionary.com Beware of so-called tree experts who do not understand tree biology. Storms, fires, floods, earthquakes, and volcanic eruptions keep reminding us that we are not the boss. |
#9
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Is My Dogwood Doomed?
On Dec 25, 9:19 am, "JoeSpareBedroom" wrote:
wrote in message ... One of my small, recently planted (about a year ago) 5-foot tall dogwood trees has sunscald on the southwest side of its trunk. The patch [of sunscald] is about 2" long and 1/2" wide. Is there any hope, or treatment, for this tree? Where do you live? State, country, province, etc. Northwest Florida. Patrick |
#10
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Is My Dogwood Doomed?
wrote in message
... On Dec 25, 9:19 am, "JoeSpareBedroom" wrote: wrote in message ... One of my small, recently planted (about a year ago) 5-foot tall dogwood trees has sunscald on the southwest side of its trunk. The patch [of sunscald] is about 2" long and 1/2" wide. Is there any hope, or treatment, for this tree? Where do you live? State, country, province, etc. Northwest Florida. Patrick OK. And, what was the full Latin name of the dogwood you bought? Do you still have the tag? |
#11
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Is My Dogwood Doomed?
"Jangchub" wrote in message
... On Wed, 26 Dec 2007 03:16:31 GMT, "JoeSpareBedroom" wrote: wrote in message ... On Dec 25, 9:19 am, "JoeSpareBedroom" wrote: wrote in message ... One of my small, recently planted (about a year ago) 5-foot tall dogwood trees has sunscald on the southwest side of its trunk. The patch [of sunscald] is about 2" long and 1/2" wide. Is there any hope, or treatment, for this tree? Where do you live? State, country, province, etc. Northwest Florida. Patrick OK. And, what was the full Latin name of the dogwood you bought? Do you still have the tag? It's probably C. Florida. It is very prone to anthracnose. Look up anthracnose and then at the top of the Google page will be images. Look at those. I asked not because of disease, but because I know NOTHING about whether his tree is one that is found growing wild in Florida, and if so, whether it grows WELL, or just sort of eeks out a sad existence. My only exposure to dogwoods is in NY, and the ones that grow beautifully aren't in the middle of a lawn. They're in the woods, under bigger trees, in dappled sunlight with a nice thick layer of duff on the forest floor. |
#12
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Is My Dogwood Doomed?
On Dec 26, 9:49 am, "JoeSpareBedroom" wrote:
"Jangchub" wrote in message ... On Wed, 26 Dec 2007 03:16:31 GMT, "JoeSpareBedroom" wrote: wrote in message ... On Dec 25, 9:19 am, "JoeSpareBedroom" wrote: wrote in message ... One of my small, recently planted (about a year ago) 5-foot tall dogwood trees has sunscald on the southwest side of its trunk. The patch [of sunscald] is about 2" long and 1/2" wide. Is there any hope, or treatment, for this tree? Where do you live? State, country, province, etc. Northwest Florida. Patrick OK. And, what was the full Latin name of the dogwood you bought? Do you still have the tag? It's probably C. Florida. It is very prone to anthracnose. Look up anthracnose and then at the top of the Google page will be images. Look at those. I asked not because of disease, but because I know NOTHING about whether his tree is one that is found growing wild in Florida, and if so, whether it grows WELL, or just sort of eeks out a sad existence. My only exposure to dogwoods is in NY, and the ones that grow beautifully aren't in the middle of a lawn. They're in the woods, under bigger trees, in dappled sunlight with a nice thick layer of duff on the forest floor. I have five other dogwoods, of the same exact variety, in my yard and all are doing extremely well. Two of them are over 20-foot tall. None are in "dappled" sunlight. Patrick |
#13
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Is My Dogwood Doomed?
wrote in message
... On Dec 26, 9:49 am, "JoeSpareBedroom" wrote: "Jangchub" wrote in message ... On Wed, 26 Dec 2007 03:16:31 GMT, "JoeSpareBedroom" wrote: wrote in message ... On Dec 25, 9:19 am, "JoeSpareBedroom" wrote: wrote in message ... One of my small, recently planted (about a year ago) 5-foot tall dogwood trees has sunscald on the southwest side of its trunk. The patch [of sunscald] is about 2" long and 1/2" wide. Is there any hope, or treatment, for this tree? Where do you live? State, country, province, etc. Northwest Florida. Patrick OK. And, what was the full Latin name of the dogwood you bought? Do you still have the tag? It's probably C. Florida. It is very prone to anthracnose. Look up anthracnose and then at the top of the Google page will be images. Look at those. I asked not because of disease, but because I know NOTHING about whether his tree is one that is found growing wild in Florida, and if so, whether it grows WELL, or just sort of eeks out a sad existence. My only exposure to dogwoods is in NY, and the ones that grow beautifully aren't in the middle of a lawn. They're in the woods, under bigger trees, in dappled sunlight with a nice thick layer of duff on the forest floor. I have five other dogwoods, of the same exact variety, in my yard and all are doing extremely well. Two of them are over 20-foot tall. None are in "dappled" sunlight. Patrick What's the full Latin name & variety of those trees? Do you still have that information? |
#14
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Is My Dogwood Doomed?
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#15
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Is My Dogwood Doomed?
"Ann" wrote in message
... expounded: I have five other dogwoods, of the same exact variety, in my yard and all are doing extremely well. Two of them are over 20-foot tall. None are in "dappled" sunlight. Patrick That may be true, but that isn't an ideal situation for them. Dogwoods are an understory plant happiest in dappled shade. If you've got one that's stressed by disease then the sun is really going to bother it. I've got anthracnose on the dogwoods in this yard and they're doing pretty well, all things considered, because they are on the edges under other trees. -- Ann, gardening in Zone 6a I wonder if Patrick has ever seen dogwoods growing in their natural habitat, where they really rock & roll. |
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