Having impressed during five years’-worth of independent field trials, Syngenta’s new fungicide, based on the active substance Solatenol (benzovindiflupyr) looks set to become a key tool for cereals growers when it is made available to the UK market in 2017, subject to approval.
The new SDHI fungicide, which Syngenta claims to be ‘class leading’ is expected to gain approval before the spring and will be marketed as a co-formulation with azole prothioconazole to help mitigate potential disease resistance.
Targeted towards T2 application, Solatenol boasts good eradicant and protectant properties, particularly against yellow rust and septoria, according to NIAB technical director, Bill Clark.
©Copyright 2016 Syngenta
“In 2015 and 2016 we had some very high levels of yellow rust and septoria, not only did we get good control of leaf two but sometimes we actually got control of septoria on the next leaf down, that really shows you that the eradicant activity is very good,” he says.
©Copyright 2016 Syngenta
With regards to yellow rust control, ADAS principal scientist Jonathan Blake says Solatenol’s efficacy has surpassed that of other SDHIs on the market.
“I’ve been working with Solatenol since 2013, conducting 19 trials over a four year period. It is probably the most effective SHDI I’ve seen on yellow rust and can be used in combination with chlorothanonil, which is widely used in cereal crops.”
The fungicide’s slow movement from the base to the tip of the leaf is said to enable the plant to retain green leaf area for longer, leading to a potential yield advantage compared to competitor actives, according to Syngenta fungicide expert, Jason Tatnell.
He says: “Solatenol outperformed competitor SDHIs in the percentage green leaf area maintained on leaf one over a four week period, and delivered a 0.28t/ha average yield increase when compared to fluxapyroxad plus metconazole.”
Equally, in a high septoria pressure situation, the product is said to have delivered a 0.49t/ha (0.19t/acre) yield increase over fluxapyroxad+epoxiconaxole during trials conducted by Irish research and advisory organisation Teagasc.
The new fungicide is expected to be authorised for use in wheat, barley, oats, triticale and rye with the trade name to be revealed once it is fully approved.
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