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Proline fungicide label expanded

June 3, 2014  By Marg Land

Powdery mildew on cucurbit

June 2, 2014, Guelph, Ont – Bayer CropScience Canada recently announced the label expansion of Proline, a Group 3 fungicide that uses the active ingredient prothioconazole to provide broad-spectrum leaf disease protection.

Proline is now registered to protect cucurbit vegetables, bushberries, low-growing berries excluding strawberries and small acreage grains.

Proline can now be applied to lowbush blueberries in both the sprout and fruiting years and to highbush blueberries for protection against septoria leaf spot, blueberry leaf rust, valdensinia leaf spot and monilinia blight. According to the company, this systemic, foliar fungicide has demonstrated increased floral bud numbers and fruit yield over untreated blueberries with recent trial results showing increased yield in lowbush blueberries by 24 per cent.


In cucurbits Proline provides systemic protection against fusarium wilt, gummy stem blight and powdery mildew.

“Proline has been used for years by canola and cereal growers and now protects against some of the most concerning diseases for horticultural crops,” said David Kikkert, portfolio manager for horticulture with Bayer CropScience. “This foliar fungicide is a cost-effective tool that offers growers excellent disease control and provides a new mode of action in many horticulture crops.”

For more information regarding Proline visit:



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