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405-794-LAWN

Lawn Fertilization & Weed Control

Irish Green Lawn Care, Inc.

  • Crape Myrtle Bark Scale

    Yikes! My beautiful Crape Myrtles have black mildew all over the branches and leaves. They also have some weird white spots. 

     

    After much research, we learned that this insect (called a “scale”) was originally found in Richardson, Texas in 2004 and has slowly been spreading through neighboring states, including Oklahoma and Arkansas.  It was found in Oklahoma County in 2015.  Irish Green found and reported the first case of Crape Myrtle Bark Scale in Cleveland County August 2016 (confirmed by Plant Disease and Insect Diagnostic Laboratory at Oklahoma State University).  

     

    One of the first signs of this insect is black sooty mold on the bark and leaves.  Bark and leaves may feel sticky to the touch as a byproduct of where the scale is feeding.  The "white spots" look similar to felt and are usually located in the branch crotch or pruning wounds; but can be found anywhere on bush/tree.  

     

    GOOD NEWS - We can treat this scale and your beautiful crape myrtles shouldn't die.  Crape Myrtle Bark Scale is not easily controlled so you will need to faithfully apply 2 insecticide treatments, one in Spring once crape myrtles break out of dormancy and leaves begin to appear (happening right now).  The second in Fall, once the trees/bushes have dropped their blooms.  If you would like, we can take care of these applications for you.  

     

    Current management recommendations from the Oklahoma State University Extension include the following: 

    1. Carefully inspect crape myrtles prior to purchase for signs and symptoms of CMS, including the presence of white to gray scale bodies on bark, honeydew and/or black sooty mold. Always buy plants that are free of mechanical damage, such as bark wounds that may serve as “points of entry” for CMS.
    2. The bark of infested plants can be scrubbed with a soft brush and a mild solution of dishwashing soap and water. Washing removes many of the female scales and egg masses, possibly improving insecticide effectiveness, as well as buildup of black sooty mold on branches and trunks.  (The soot and scales will come back.  From my research, this is not always practical and, therefore, optional). 
    3. Horticultural oil may be applied during the winter at a dormant oil rate. Ensure adequate coverage of the entire tree and use enough oil to reach behind loose bark, branch crotches, and other crevices.  (From my research, this is optional also. But if possible, personally, I would try it.  We can do this for you also. )
    4. Systemic insecticides provide the best chemical control option in efficacy trials to date.  

     

    OUR SPECIFIC PLAN FOR CRAPE MYTRLES:  Irish Green Lawn Care’s recommendation is to apply one insecticide in the Spring and one in the Fall.   Allow the material several weeks to move into all plant tissues.  We can do this for you.  

     

    IRISH GREEN’S Complete TREE AND SHRUB PROGRAM

    As you're probably already aware, trees and shrubs have always been of special interest to us; therefore, we have had a tree and shrub program for 10+ years.  At Irish Green, we have a 5 application tree and shrub program that results in noticeable differences.  We strongly believe that both fertilizer, insecticides, and fungicides are needed.  Our 5 application program includes your 2 insecticide applications discussed above, plant probiotics, organic components, fertilizer applications, fungicide applications; everything you need to ensure a beautiful healthy landscape.  Since including our new plant probiotics and organics into the mix, I have seen a noticeable difference in all my trees and bushes. 

    This is a picture ( Spring 2017) of one of my pine trees after just 2-3 applications.

    Please email, chat with us from our website, or call our office as soon as you see the black soot and/or white scales.  But my recommendation is to treat your crape myrtles now as a preventative, as it is very hard to control once you get them.  

     

     Safer, Better, Greener Lawn Care

     Irish Green Lawn Care, Inc. ,

     405-794-Lawn (5296)

     www.irishgreenlawncare.com

    office@irishgreenlawncare.com

    References

    Gu, M., M. Merchant, J. Robbins, and J. Hopkins. 2014. EHT-049: Crapemyrtle Bark Scale, A New Exotic Pest. Texas A&M AgriLife Extension at 

    http://www.eddmaps.org/cmbs/Resources/TAMUCrapemrytlebarkscaleEHT-049.pdf

     

    Merchant, M. 2014. Crapemyrtle Bark Scale Reduces Bloom. Insects in the City blog. Texas A&M AgriLife Extension at: http://citybugs.tamu.edu/2014/08/14/crapemyrtle-bark-scale-reduces-bloom

     

    Rebek, E.J. 2015. CR-7092: Management of Insects and Mites in Tree Nurseries. Oklahoma Cooperative Extension Service at http://http://entoplp.okstate.edu/pddl/pddl/2015/PA14-39.pdf

     


  • Grub Worms- The Ultimate Grass Eating Champions! 

     

     

    If you live in Oklahoma, chances are you have seen or heard of grub worms. They are thick, white worms that have small yellow heads

    and live in the soil.  

     

    First, everyone has grubs in their lawn, even after a grub preventative treatent has been applied.  If I went out to my lawn right now and dug a small hole in the soil, I would probably find a few grubs. The problem begins when the grub population gets too large. The grubs eat too many roots of the grass which causes the grass to lose its ability to reach the nutrients in the soil, and in the end, causes the grass to die.

     

    A lawn with grub damage often has large areas where the grass has died, and when the grub damage is severe you can pick the grass up like a

    blanket off of the ground. (See picture.)  Also when you step on the area that has grub damage, it may feel soft and squishy.

    Lastly, if your grub population becomes too large in the summer, grub damage to your lawn can be seen into late summer, often becoming most severe as late as the fall and early next spring.  (These grubs can be quite aggravating if you have spent all summer caring for your lawn.)

     

     

                 

     

     

     

     Irish Green Lawn Care has a Preventative Grub Treatment that we HIGHLY recommend to all of our customers. Unfortunately you won't 

    know you have a grub problem until you see the damage, and by then the damage is already done. So yes, we recommend that ALL OUR CUSTOMERS get a grub preventative one time, each year.

     

    Our grub preventative application needs to be applied once a year, in June/early July.  The treatment is twice the price of your lawn application and it is very effective. An added bonus, if you often have issues with moles, gophers, skunks digging in your lawn, these critters are going after the grubs in your lawn.  If you do a grub preventative treatment each year, your lawn will look less tasty and the critters will move on.

     

     if you have any questions or would like to get on the schedule for a  Preventative Grub Treatment: 405-794-LAWN or company@irishgreenlawncare.com´╗┐.  The best "window of time" for this preventative treatment is running out.  We highly recommended it is applied by mid July. 

     

     

     

    Safer. Better. Greener.  

     



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