New Syngenta Wheat fungicide: Combination of two is more than two

March 20, 2011 - PRLog -- New Syngenta Wheat fungicide: Combination of two is more than two
A mix of isopyrazam and triazole fungicide epoxiconazole--- Seguris, will join Bayer CropScience's Aviator Xpro (prothioconazole + bixafen) in giving growers a powerful solution against major foliar wheat disease threats. The new product from Syngenta has get the UK approval for use in winter wheat, as well as in winter and spring barley, rye and triticale.

Isopyrazam, the SDHI fungicide active already available in the barley product Bontima, also provided some curative activity against septoria. It wasn't enough to replace triazole fungicides, which should always form the backbone of programmes, but the combination would give as good a curative activity as was possible.

The two were closely matched in their activity on the disease spectrum, which helped protect against resistance development. Septoria activity from the combination was as good as any other SDHI fungicide, and a step forward compared with the two best triazole fungicides, epoxiconazole and prothioconazole. It is said that the Isopyrazam + epoxiconazole combination had also out-performed the current rust standard of triazole + pyraclostrobin significantly in high-pressure yellow rust trials situations with yield increases of nearly 0.9t/ha over the strob mix.

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