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Identify problem

Discussion in 'Pesticide & Herbicide Application' started by bob, Jul 24, 2004.

  1. bob

    bob LawnSite Platinum Member
    from DE
    Messages: 4,260

    Thanks in advance.

  2. TSM

    TSM LawnSite Senior Member
    from MA
    Messages: 707

    the plant looks like Emerald N Gold Euonymus
    the insect is euonymous scale

    many control products,
    Horticultural oil
    Insecticide soap
    Carbaryl (sevin)
    Acephate (orthene)
  3. Green Dreams

    Green Dreams LawnSite Senior Member
    from Texas
    Messages: 593

    talstar with some hort oil will smoke them...don't know if I'd trust sevin or orthene. Orthene ain't worth a crap on scale. Be sure to follow up....

    DUSTYCEDAR LawnSite Fanatic
    from PA
    Messages: 5,132

    talstar it the ticket
  5. Ric

    Ric LawnSite Fanatic
    Messages: 11,969

    My $0.02 is Merit WSP and Oil. Oil will knock em down and Merit will keep em down.
  6. Tscape

    Tscape LawnSite Bronze Member
    Messages: 1,370

    oil' em baby. That is the key.
  7. CSRA Landscaping

    CSRA Landscaping LawnSite Bronze Member
    Messages: 1,232

    Think it may be a little warm for the oil?
  8. Green Dreams

    Green Dreams LawnSite Senior Member
    from Texas
    Messages: 593

    Not a .5% solution of oil....
  9. heritage

    heritage LawnSite Bronze Member
    Messages: 1,357

    Use a Horticutural grade oil. It is more refined and has little or no sulfur in it. If you use dormant oil it will burn foliage because the sulfur content is to high. Horticutural grade oils should be applied on sunny days when humidity is less than 70% so the oil can dry quickly and not cause any phytotoxicity (injury) to plants. A 1-2% hort. oil spray w/merit as ric has mentioned will do a very good job for your first treatment. Find out when the next crawler stage for the euyonomus scale is in your area and check the plant again to see if there is any activity. If yes the crawlers are easy to control with a 1% oil spray. Scale seem to be a problem on these plants where there is heat stress or reflective heat stress from stone, foundations, driveways ect.

    Foliar applied merit will give you about a month of protection and soil drench or soil injection at high label rate will give you a year to 1.5 years of protection....in the case of scale...supression.
    I soil inject these plants every spring and monitor plants during crawler activity periods and spray them with 1% oil if needed. It works as a leaf polish also and makes the customers happy!

    Pete D.
  10. B&B

    B&B LawnSite Member
    Messages: 55

    permistar 1/2 t. per gal.

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