BASF Receives California Registration Of Emerald Fungicide

BASF announced that its Emerald fungicide has received registration from the California Environmental Protection Agency. Emerald controls dollar spot, the golf industry’s most common and troublesome turf disease.

When applied as part of a preventative program, Emerald controls dollar spot for up to four weeks. It has demonstrated dollar spot control in every region of the country and can be used safely in virtually all turf, including bentgrass.

The active ingredient in Emerald is boscalid, which attacks pathogens that cause dollar spot in a unique and highly effective way. Emerald inhibits a system called complex II in the mitochondria of fungal cells, depriving fungal cells of energy, disrupting fungal growth and halting disease development. Most importantly, the mode and site of action of Emerald differs from any other fungicide on the market that is used to control dollar spot. This means that Emerald can effectively control dollar spot that has developed resistance to other fungicides.

Emerald provides exceptional dollar spot prevention, can halt the progress of existing outbreaks and can be tank-mixed with other fungicides for additional disease control. Excellent residual control saves superintendents labor and material costs, and minimizes spraying time on the course. As with all fungicide products, Emerald should be applied as part of a rotation. To achieve optimal results from the application of Emerald, BASF Turf and Ornamental Group recommends no more than two successive applications of the product.

For more information about the BASF Turf and Ornamental new fungicide, Emerald, visit

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