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8/31/2026

Aliette Now Teclera

JC Chong

Those who deal with oomycete diseases are familiar with Aliette. Originally introduced by Bayer more than 30 years ago, Aliette (80% fosetyl-Al or aluminum tris [O-ethyl phosphonate] if you want the full, tongue-twisting name) is a FRAC P07 fungicide that has been the go-to for many folks in controlling downy mildew, Phytophthora and Pythium. It’s also used for suppressing fire blight and bacterial blight.

Envu has renamed Aliette as Teclera. The name has changed, but everything else remains the same. Teclera is still 80% fosetyl-Al, water-dispersible granule (WDG) formulation and an effective tool against oomycete and bacterial diseases in greenhouses, ornamental and conifer nurseries, and landscapes. This systemic fungicide can be applied as foliar spray, soil drench or media incorporation.

The REI is 24 hours and PPE for applicators and handlers includes long-sleeved shirt and long pants, chemical-resistant gloves, shoes plus socks, and protective eyewear. PPE for early entry workers include coveralls, chemical-resistant gloves, shoes plus socks and protective eyewear. 
Ask for Teclera when you use up your Aliette in the storeroom and need to reorder. It’s now available for purchase nationwide. GT

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