Oct 18, 2004
SCALA Fungicide Gains EPA Registration

SCALA fungicide has been registered by the EPA. With this registration, fruit, nut, vegetable and grape growers throughout the United States have a new fungicide that provides a high level of preventative control against a broad spectrum of diseases caused by the fungi Venturia, Monilinia, Botrytis and Alternaria.

SCALA Fungicide, a reduced-risk product from Bayer CropScience, has been approved by the EPA to control several economically important diseases on a broad range of crops including:

• Scab in apples and other pome fruits;
• Botrytis gray mold in grapes and strawberries;
• Brown rot blossom blight, green fruit rot, shot hole and Alternaria leaf spot in almonds and pistachios;
• Brown rot blossom blight, shot hole and scab in stone fruit (except cherries);
• Botrytis leaf spot, neck rot and purple blotch in onions and other bulb vegetables;
• Early blight and gray mold in tomatoes; and
• Early blight in potatoes and other tuberous and corm vegetables.

State registrations are pending in Arizona, California, Florida, Massachusetts and New York. Check with the local agency or Bayer CropScience sales representative to determine if SCALA is approved in any individual state.

“SCALA contains a unique new active ingredient, pyrimethanil, which belongs to a relatively new class of chemistry known as the anilinopyrimidines, or APs,” said Rob Schwehr, product manager for SCALA. “SCALA shows no cross-resistance to other common chemical classes, including DMI/SIs and strobilurins, making SCALA an ideal fit with resistance management programs.”

SCALA is rainfast as soon as the spray material dries, and it delivers outstanding disease control even in cooler temperatures when triazoles are less active, making SCALA an ideal early-season spray option, especially in pome fruits and tree nuts.

“SCALA performed very well in 2003 pome fruit trials, especially when used early,” said Lorianne Fought, product development manager, Bayer CropScience. “Applying SCALA early controls the primary scab infection period, which makes disease management easier all season long.”

SCALA is an amino acid synthesis inhibitor with novel penetrative abilities, both intercellular and translaminar. The material inhibits the secretion of fungal enzymes necessary for the infection process in several plant pathogenic fungi species.

SCALA should be applied 5 to 18 ounces per acre by ground, depending on the crop and disease conditions. Consult the product label for specific use recommendations by crop. Applications should be made on a 7- to 14-day interval depending upon crop and disease conditions.

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