TECHNICAL INFORMATION BULLETIN—PEANUTS
OVERVIEW Excalia™ Fungicide is a 2.84 SC foliar formulation of the active ingredient INDIFLIN® (inpyrfluxam). Excalia is intended for use on peanuts for white mold (Southern stem rot, Sclerotium rolfsii ), Rhizoctonia limb and pod rot, and Sclerotinia blight.
Excalia is powerful against peanut soil-borne diseases because it works quickly to form a long-lasting zone of protection around the peanut crown. EXCALIA TECHNICAL FEATURES—PEANUTS Highly systemic action for fast movement into the limb/stem tissue Strong potency against Sclerotium rolfsii , the pathogen that causes white mold (Southern stem rot) Superior staying power for longer-lasting residual control Excellent fit in an Integrated Pest Management (IPM) program or Peanut Rx program MODE OF ACTION INDIFLIN , the active ingredient in Excalia , acts as a mitochondrial respiration inhibitor and disrupts the energy cycle in fungi by targeting succinate dehydrogenase (complex II). It interferes with spore germination, mycelial growth and spore production. As a foliar application, INDIFLIN has good rainfastness and exhibits translaminar activity, meaning that treatment of the upper (adaxial) surface of a leaf provides protection of the lower (abaxial) surface and vice versa. INDIFLIN is not phloem-mobile and therefore does not move out of a treated leaf to those above and below. INDIFLIN belongs to the succinate dehydrogenase inhibitor (SDHI) class (Group 7) of fungicides as classified by the Fungicide Resistance Action Committee (FRAC).
PROPOSED TARGET DISEASES AND USE RATES FOR EXCALIA —PEANUTS Excalia is anticipated to be labeled for use as shown in the table below.
Excalia Use Rate
Crop
Target Diseases
fl oz/A
lb AI/A
Southern Blight, Southern Stem Rot, White Mold ( Sclerotium rolfsii ) Rhizoctonia Limb & Pod Rot ( Rhizoctonia solani ) Sclerotinia Blight ( S. minor, S. sclerotiorum ) Early Leaf Spot (suppression) ( Cercospora arachidicola )
2–4
0.044–0.089
Peanuts
Late Leaf Spot (suppression) ( Cercosporidium personatum )
Make up to 4 applications of Excalia , do not exceed 8 fl oz/A per year.
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