Fungicides currently labeled for application to soybeans in Pennsylvania

Fungicides currently labeled for application to soybeans in Pennsylvania, June 29, 2007*
Product Active Ingredient Mode of Action
Activity		 Product Rate Application (gpa) Guidelines
(Always refer to label before application)
*Check the Penn State Corn and Soybean Management website or electronic version of the Penn State Agronomy Guide for most current list of fungicide products. Where trade names appear, no discrimination is intended, and no endorsement by Penn State Cooperative Extension is implied.
Bravo weather stik
(Chloronitrile)		 Chlorothalonil Fungistatic- slows growth and reduces spore production
(Pre-infection)		 Two application program: 1.5 - 2.25 pts/A

Three application program: 1.0 - 2.0 pts/A		 20-150 ground

5-10 air
  • Minimum 14 day interval
  • Not more than three applications per season.
  • Not more than 6 pts./A during a growing season.
Echo 720
(Chloronitrile)		 Chlorothalonil Fungistatic- slows growth and reduces spore production
(Pre-infection)		 Two application program: 1.5 - 2.5 pts/A

Three application program: 1 - 2 pts/A		 20-150 ground

5-10 air
  • Minimum 14 day interval
  • Not more than three applications per season.
  • Not more than 5.4 lbs./A during a growing season.
  • Do not use soybean hay or threshing as feed for livestock.
Headline
(Strobilurin)		 Pyraclostrobin QoI - Interferes with fungal respiration (Pre-infection) 6 - 12 fl. oz./A Thorough coverage of foliage
  • Apply prior to disease development
  • Two applications per season max (24 fl. oz.)
  • 21 day pre-harvest interval (PHI)
  • Soybean forage may be fed no sooner than 14 days after last application;
  • Hay no sooner than 21 days after last application
Quadris
(Strobilurin)		 Azoxystrobin QoI - Interferes with fungal respiration (Pre-infection) 12.3 - 15.4 fl. oz./A Adequate coverage, include crop oil
  • Apply prior to disease development
  • Two applications per season max
  • Not more than 2.88 quarts per acre
  • May not be applied within 14 days of harvesting beans
  • Do not make more than one application (15.4 fl oz/A) to soybean, forage, or hay.
  • May be applied one day prior to harvest for forage or hay




Fungicides with Section 18 quarantine exemption status for application to soybeans in PA, June 29, 2007*
Product
(Chemical Class)		 Active Ingredient Mode of Action
(activity)		 Rate Application (gpa) Guidelines
(All applications made between full flowering (R1) and beginning seed fill (R5))
*Check the Penn State Corn and Soybean Management website or electronic version of the Penn State Agronomy Guide for most current list of fungicide products, and always consult product label for product guidelines. Note for all section 18 products: Maximum of three applications using approved section 18 products collectively. No more than two applications may be made with any given active ingredient.

Where trade names appear, no discrimination is intended, and no endorsement by Penn State Cooperative Extension is implied.
Bumper
(Triazole)		 Propiconazole DMI- Sterol inhibitor
(Pre- and Post-infection)		 4 - 8 fl oz/A Min 15 ground

Min 5 air
  • PHI 28 days
  • Latest growth state R5 (beginning seed)
  • No more than 12 fl oz per/A in a single season
Folicur 3.6F
(Triazole)		 Tebuconazole DMI- Sterol inhibitor
(Pre- and Post-infection)		 3 - 4 fl oz/A 10 ground

5 air
  • PHI 30 days
  • Maximum product 8 fl oz/A in a single season
Headline SBR Tebuconazole + pyraclostrobin DMI- Sterol inhibitor
+ QoI - Interferes with fungal respiration
(Pre- and Post-infection)		 7.8 fl oz/A Thorough coverage of foilage

Min 5 air
  • PHI 30 days
  • Maximum product 15.6 fl oz/A in a single season
Laredo EC
(Triazole)		 Myclobutanil DMI- Sterol inhibitor
(Pre- and Post-infection)		 4 - 8 oz/A Adequate coverage
  • PHI 28 days
  • Do not apply more than 16 fl oz/A in a single season
Orius 3.6F Tebuconazole DMI- Sterol inhibitor
(Pre- and Post-infection)		 3 - 4 fl oz/A Min 10 ground

Min 5 air
  • PHI 28 days
  • Latest growth stage R5 (beginning seed)
  • Do not apply more than 12 fl oz/A in a single season
Propimax
(Triazole)		 Propiconazole DMI- Sterol inhibitor
(Pre- and Post-infection)		 4 - 8 fl oz/A 15 ground

5 air
  • PHI 28 days
  • Latest growth state R5 (beginning seed)
  • No more than 12 fl oz per/A in a single season
Quilt
(triazole + strobilurin)		 Propiconazole + azoxystrobin DMI- Sterol inhibitor + QoI - Interferes with fungal respiration
(Pre- and Post-infection) 		14 - 20 fl oz/A Min 10 ground

Min 5 air
  • Do not apply after soybean growth stage R5
  • Maximum of 40 fl oz per season
Tilt
(Triazole)		 Propiconazole DMI- Sterol inhibitor
(Pre- and Post-infection)		 4 - 8 fl oz/A Min 10 ground

Min 5 air
  • PHI 28 days
  • Latest growth stage R5 (beginning seed)
  • No more than 12 fl oz per/A in a single season