Jan. 14, 2016
Nufarm Benelux has introduced Fado on the Dutch market. Fado is a new biological agent against powdery mildew. "Fado activates several systems in the plant which increase the resistance of the plant against powdery mildew. By preventive use of Fado, powdery mildew gets no chance," says the company.
The drug was approved last fall and is Nufarm’s third biological product. Fado (12.5 g/l COS-OGA) has an admission as an agent for cucurbits fruit vegetables with edible and inedible peel and Solanaceae (covered crop). The product is organic, has no safety term and is therefore ideal for residue management.
COS (Chito-OligoSaccharides) -OGA (Oligo-Galacturonic Acid) consists of an oligosaccharide complex composed of a polyanionic structure stabilized by one polycationic chain. COS is also known as chitosan and OGA is derived from pectin. There is no ISO common name for COS-OGA. The European Food Safety Authority has approved this active ingredient in 2014.
During the natural process whereby powdery mildew infects the plant, degradation products are released by both plant and powdery mildew. The combination of these degradation products activate the receptors in the plant cells. Next, a process is activated that makes the plant resistance to the fungus.
The receptors in the plant are activated by applying Fado on a preventive basis. As a result, several systems in the plant are encouraged to increase the resilience of the plant against powdery mildew. Fado thus acts as a kind of vaccine.