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Strobe 50WG Systemic Fungicide

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Strobe 50WG (generic Heritage WG) from Quali-Pro is a great broad spectrum preventive fungicide with systemic and curative properties for the control of many plant diseases.

Target Pests

Strobe 50WG treats the following plant diseases; Anthracnose brown patch cool weather brown patch fairy ring fusarium patch gray leaf spot gray snow mold leaf rust stem rust stripe rust leaf spot melting out necrotic ring spot pink patch pink snow mold powdery mildew pythium blight pythium root rot red thread rhizoctonia large patch southern blight spring dead spot summer patch take-all patch and zoysia patch.

For Use In

Strobe 50WG can be used in golf courses turf production farms ornamentals lawns and landscapes areas around residential institutional public commercial and industrial buildings parks recreational areas and athletic fields.


Apply Strobe 50WG prior to disease development. Mix Strobe with the required amount of water and apply as a dilute spray application in 2-4 gallons of water per 1,000 square feet (87-174 gallons per acre). Repeat applications at specified intervals for as long as required.

For spot treatments, use 0.2 oz. of Strobe 50WG per 1 to 2 gallons of water. Do not apply more than 10 lbs. product/acre/year (3.7 oz. product/1000 square feet/year).

Make applications by ground only.

Coverage Area

If Strobe 50WG is used at the lower rate of use each 1 pound container will treat an estimated 80,000 square feet.

Time to Kill

Strobe 50WG should be reapplied at 14-28 day intervals depending on target disease for best control. It may take up to 2 months before complete control is achieved.

Active Ingredient

Azoxystrobin 50.00%

Strobe 50WG Systemic Fungicide

Product Q & A

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How long does it take for the Strobe to be waterproof?
Also, parts of the yard are dirt from effected fungus spots. Is it necessary to apply Strobe to the dirt or only area with grass or exposed stolons?
Todd on Jul 16, 2017
BEST ANSWER: Reapplication is required in typically 14-28 days, you should notice the lawn greening back up after the 30 days.
Yes, you should spray the entire yard, soil also. Try to improve the peculation and drainage of the soil in those areas.

Customer Reviews

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Cheaper than the competition
We have been using Heritage for a long time and just switched to Strobe fungicide. It is about 25% less than the Heritage and works just as well.
July 17, 2014
Fast Service, Lowest Prices
These people seem willing to help with technical issues. At the end of the day, they had the lowest prices for brand products, with shipping included to make comparisons easy.
March 30, 2014

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