Weather for Lubbock, TX

Friday, April 15, 2016

Section18 request granted for SCA in sorghum

Good news!

It was just announced this week that we were granted a Section 18 request that allows the use of Transform (Sulfoxaflor) on grain sorghum in Texas for control of the sugarcane aphid, Melanaphis sacchari. This is very good news because now we have TWO effective insecticides that can be used to control SCA populations, but still preserve natural enemies. These are Sivanto and Transform. 


Very important: the user must have the label in their possession at the time of application!! 

Some label specifics: 
(compiled by Dr. Pat Porter on Texas Sugarcane Aphid News)
  • Rate range: 0.75 to 1.5 oz. per acre.
  • Application by ground or air (no chemigation).
  • Wind speed not to exceed 10 mph.
  • Droplet Size: Use only medium to coarse spray nozzles (i.e., with median droplet size if 341 μm or greater) for ground and non-ULV aerial application according to ASABE (S 572.1) definition for standard nozzles. In conditions of low humidity and high temperatures, applicators should use a coarser droplet size except where indicated for specific crops.
  • Boom height for ground application: Not to exceed 4 feet.
  • Carrier volume for ground application: A minimum of 5 to 10 gallons per acre - to be increased with increasing crop size and/or pest density.
  • Carrier volume for aerial application: A minimum of 3 gallons per acre, but a minimum of 5 gallons per acre is recommended.
Restrictions:
  • Preharvest Interval: Do not apply within 14 days of grain or straw harvest or within 7 days of grazing, or forage, fodder, or hay harvest.
  • A restricted entry interval (REI) of 24 hours must be observed.
  • Do not make more than two applications per acre per year.
  • Minimum Treatment Interval: Do not make applications less than 14 days apart.
  • Do not apply more than a total of 3.0 oz of Transform WG (0.09 lb ai of sulfoxaflor) per acre per year.
  • Do not apply product ≤ 3 days pre-bloom until after seed set.

You can read the entire label for Transform at the Texas Department of Agriculture's website.

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