De Sangosse launches biofungicide with 2 bacteria against foliar diseases in more than 20 crops

The Brazilian subsidiary of the French group De Sangosse announced the registration in Brazil of the biofungicide Restrict, a multisite for controlling foliar diseases in more than 20 crops.

According to the manufacturer, the product is part of the Bio Solutions line and helps manage crop resistance, providing gains of up to 3.2 more soybean bags per hectare.

The biosolution brings the exclusive association of two bacteria: Bacillus amyloliquefaciens strain CPQBA 040-11DRM 01 and Bacillus amyloliquefaciens strain CPQBA 040-11DRM 04.

It is a composition that generates multiple mechanisms of action for the plant's resistance to pathogens, as explained by Flávio Matarazzo, Director of Development at De Sangosse.

Flávio Matarazzo, Director of Development at De Sangosse

″Directly, the product acts on fungi and bacteria, through competition for space and nutrients, antibiosis and antagonism, and indirectly, stimulating the plants' natural resistance and growth,″ he says.

Restrict's broad spectrum of control includes the following foliar diseases: Colletotrichum lindemuthianum (Anthracnose), Colletotrichum truncatum (Anthracnose), Corynespora cassiicola (Target spot), Phaeosphaeria maydis (Phaoeosphaeria leaf spot) and Ramularia areola (Ramularia).

The crops served by the product are soybeans, beans, cotton, corn, sugar cane, citrus, coffee, potted tomatoes, ground tomatoes, potatoes, brassica vegetables, garlic, onions, carrots, strawberries, peppers, and beets.

Regarding biological products indicated for managing and controlling foliar diseases, the new biosolution brings several differentials, ranging from composition to mode of action.

″In addition to the mix of bacteria that can produce biofilms to protect the plant, while most have only one microorganism, the high concentration of active ingredients in its liquid formulation brings a large load of metabolites and high aggressiveness of the two strains,″ the director explained.

In contrast to the chemical products indicated for the management of the same diseases, the Restrict formulation offers operational facilities in addition to the proven control efficiency.

Flávio Matarazzo points out that the launch ″has high compatibility with other products, that is, with different pH ranges of insecticide, herbicide and fungicide mixture, for example. And it does not require cold storage.″

Restrict's multisite effect is achieved through the different metabolites produced in the multiplication of bacteria. They are Surfactin, Marihysina, Heptamycin, and Nobilamide, which will act on various structures of the fungal cell, such as respiration, protein synthesis, and cell wall.

″This multiple and simultaneous action of mechanisms in different locations and processes in the fungal cell provides good control of pathogens with a low risk of creating resistance″, reinforces Matarazzo.

Restrict obtained an increase in productivity in several cultures concerning the chemical fungicides applied to control anthracnoses and leaf spots. In the soybean crop, the gain was 3.2 bags per hectare (sc/ha), in corn 4.4 sc/ha, in the comparison with beans it obtained 1.5 sc/ha increment and, in the cotton crop, 1.5 sc/ha.

For De Sangosse's development director, producers must observe the sustainability concepts of the biological solution in addition to gains in productivity.

″It has a low environmental impact and greater safety for handling the product in the field,″ he added.

Restrict has a phytotonic effect, plant growth has zero deficiency, and in fruit crops, the product does not leave residues on the fruits.

The professional points out that in most cases, Restrict must be applied together with site-specific fungicides, as the solution will be used as a protective fungicide, in the same way as chemical protectors.

″It is also imperative to have a good application technology so that the product is well distributed in the crop, and to avoid the application together with bactericides, which affect the bacteria in the product,″ he said in conclusion.

The 4th Biopesticides, Biostimulants and Novel Fertilizers International Summit (BioEx 2023) will take place on 9th & 10th March in Hangzhou, China. We are pleased to invite speakers from the commercial, research, extension, government, regulatory and farming sectors to submit your proposals and abstracts for oral presentations.