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PostPosted: Sat May 16, 2009 10:28 pm 

Joined: Tue Jan 16, 2007 10:01 pm
Posts: 19
Location: Fort Worth,TEXAS
Fort Worth, TX...
We have a pine tree (not sure which variety) that is about 5 years old. Over the years, the area around the root has gotten covered up, and we've uncovered it a couple of times to see if that would help. The problem is that the needles are usually a rusty yellowish color, never really green. Does anyone know why this is, or what we can do? Bark is not coming off, it just looks weak. It's only about 5' tall. Should it be taller? Could it be too wet? There are no bugs attacking the bore beetles or anything like that. It looks to be in good health, other than it just isn't very full, very tall, and it's that color that isn't green!

Please help

PostPosted: Sun May 17, 2009 7:13 am 

Joined: Fri Apr 04, 2003 1:52 pm
Posts: 2017
Location: Dallas,TEXAS
Hard to say how tall it should be without knowing the variety. I would recommend applying the sick tree treatment to see if it greens up the tree.

Texas Certified Nursery Professional
Texas Master Naturalist
Organic gardener
Native Texan

PostPosted: Mon May 18, 2009 5:49 am 
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Joined: Thu Aug 12, 2004 3:00 am
Posts: 514
Location: Dallas,Texas
Here's the Sick Tree Treatment:

Trees become infested with insect pests and diseases because they are in stress and sick. Mother Nature then sends in the clean up crews. Insects and pathogens are just doing their job - trying to take out the unfit plants. Most plant sickness is environmental - too much water, not enough water, too much fertilizer, wrong kind of fertilizer, toxic chemical pesticides, compaction of soil, grade changes, ill-adapted plant varieties and/or over planting single plant species and creating monocultures, as was done with American elms in the Northwest and the red oak/live oak communities in certain parts of the South.

My tree health plan is simple. Keep trees in a stress free condition so their immune systems can resist insect pests and diseases. For example - it has been noticed by many farmers and ranchers that oak wilt doesn’t bother some trees - especially those that have properly exposed root flares, and those where the natural habitat under trees has been maintained. The Sick Tree Treatment is not just good for oak wilt, but for any other tree problem as well. Here is the updated version and how it works:

Sick Tree Treatment

Step 1: Stop Using High Nitrogen Fertilizers and Toxic Chemical Pesticides
Toxic chemical pesticides kill beneficial nematodes, other helpful microbes, good insects, and also control the pest insects poorly. Synthetic fertilizers are unbalanced, harsh, high in salt, often contaminated and destructive to the chemistry, the physics and the life in the soil. They also feed plants poorly and contaminate the environment.

Step 2: Remove Excess Soil from the Root Flare
A very high percentage of trees are too deep in their containers and also have been planted too low or have had fill soil or eroded soil added on top of the root flares. Soil on top of the root flare reduces oxygen availability and leads to circling and girdling roots. Soil, or even heavy mulch on trunks, keeps the bark constantly moist which can rot or girdle trees. Ideally, excess soil and circling and girdling roots should be removed before planting. Removing soil from the root flares of existing trees should be done professionally with a tool called the Air Spade. Homeowners can do the work by hand with a stiff broom or brush. Gentle water and a shop-vac can be used if done very carefully. Vines and ground covers should also be kept off tree trunks. They should actually be pruned back away from the flares, at least on an annual basis.

Step 3: Aerate the Root Zone Heavily
Don’t rip, till or plow the soil. That destroys all the feeder roots. Punch holes (with turning forks, core aerators or agriculture devices such as the Air-Way) heavily throughout the root zone. Liquid injectors and the Air Spade can also be used. Start between the drip line and the trunk and go far out beyond the drip line. Holes 6-8" deep are ideal, but any depth is beneficial.

Step 4: Apply Organic Amendments
Apply zeolite 40-80 lbs. per 1000 sq. ft., greensand at about 40-80 lbs. per 1,000 sq. ft., lava sand at about 80-120 lbs. per 1,000 sq. ft., horticultural cornmeal at about 20-30 lbs. per 1,000 sq. ft. and dry molasses at about 10-20 lbs. per 1,000 sq. ft. Cornmeal is a natural disease fighter and molasses is a carbohydrate source to feed the microbes in the soil. Expanded shale applied at 1/2 " is also very helpful if the budget allows this step. Apply a 1" layer of compost followed by a 3" layer of shredded native tree trimmings; however, do not pile mulch up on the root flare or the trunk. Smaller amounts of these materials can be used where budget restrictions exist. Also, any rock dust material different than the base rock on the site will help.

Step 5: Spray Trees and Soil
Spray the ground, trunks, limbs, twigs and foliage of trees with compost tea or the entire Garrett Juice mixture. Do this monthly or more often if possible. For large-scale farms and ranches, a one-time spraying is beneficial if the budget doesn’t allow ongoing sprays. Adding garlic oil tea or cornmeal juice to the spray is also beneficial for disease control while the tree is in trouble. Cornmeal Juice is a natural fungal control that is made by soaking horticultural or whole ground cornmeal in water at 1 cup per 5 gallons of water. Screen out the solids and spray without further dilution. Cornmeal Juice can be mixed with compost tea, Garrett Juice or any other natural foliar feeding spray. It can also be used as a soil drench for the control of soil borne diseases. Dry granulated garlic can also be used on the soil in the root zone at about 1-2 lbs. per 1000 sq. ft. for additional disease control. Adding Plant Wash to the spray is also helpful against insect pests and disease pathogens.

During drought conditions, adding soil moisture is a critical component. ... n/id/2456/

And other Basic Organic Guides: ... n/id/1575/

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