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OHP Newsletter - Summer 2008, Vol. 8 Issue 2  

Casoron® effective in Spring or Fall applications

Weeds,weeds,weeds – they’re everywhere and keep coming back. Weeds such as common groundsel, oxalis, annual bluegrass, bittercress — to name a few — are the most common and troublesome weeds in nurseries, landscapes, parks etc.

Controlling weeds is a twofold process.

  1. Using a pre-emergent herbicide; and
  2. Using a knockdown herbicide for escapees or areas untreated with pre-emergent.

To help with #1,OHP now markets Casoron 4G pre-emergent herbicide. Casoron (Dichlobenil 4%) is an effective herbicide which controls a broad spectrum of both broadleaf and grassy weeds. Casoron has excellent activity on hard-to-control weeds such as field horsetail, groundsel, quackgrass, annual bluegrass, nutsedge, and even young, post-emerged Canada thistle.

Casoron forms an herbicidal vapor barrier in the upper layer of soil when activated by rainfall or irrigation water. Casoron 4G is a small granule that needs to be “watered in after application.” Existing weeds rooted in the vapor barrier soon die off and any weed seeds germinating in or below the barrier are killed when new roots and shoots contact the vapor barrier.

Casoron provides long-term pre-emergent control so a single application in early spring will usually provide seasonlong weed control, preventing weeds from even getting established. Casoron may also be applied in the fall for control or early-breaking weeds in the spring. Nurserymen should make certain Casoron granules do not stick on damp foliage or on trunks, branches, or leaves.

Casoron should not be applied in areas where annuals, bulbs, or herbaceous perennials are planted. For more information on how to use Casoron in your weed control program, contact your local OHP representative. For a copy of the label, MSDS, and Product Information Bulletin (PIB), click here.

 

   
Newsletter Contents

  New trade show booth

  Prescription solutions help solve grower issues

  Controlling pests in the summer

  PGR demos at Pack Trials 2008

  PGRs help poinsettia crops early or late

  Casoron effective in Spring/Fall applications

  Liquid and wettable iprodione

  Pylon® now labeled for thrips

  Naturalis® O New with OHP

  Ask the Experts column

  Summer/Fall trade shows

  Complete OHP portfolio