R4P News

Vine disease resistance note online

The collaborative technical note “Vine disease resistance” 2022 is published. As every year, this note, written by a drafting committee including IFV, Anses, INRAE, CIVC, chambers of agriculture and DGAL-SDSPV presents the status of resistance
R4P News

The Plant Protection Index 2022 is published!

The ACTA Plant Protection Index 2022 – 58th edition – has just been published! Updated every year, this practical guide is a reference for choosing plant protection products and agricultural biocides. It includes numerous illustrations,
R4P News

Red alert on poppy!

Poppies (Papaver rhoeas, Papaver dubium, Papaver argemone) are not only pretty flowers. They are also major weeds in winter crops. Not content with that, they have also evolved resistance to ALS-inhibiting herbicides. But what is
R4P News

Ragweed evolved resistance to ALS inhibitors in France!

Not only is common ragweed (Ambrosia artemisiifolia) a weedy, invasive, allergenic and allergy-inducing species, it has also evolved resistance to ALS-inhibiting herbicides. A large-scale study combining “biological” herbicide sensitivity assays and very high throughput sequencing
R4P News

Update of herbicide resistance maps

25/08/21 The maps showing the location of published cases of herbicide resistance in France at the departmental level have just been updated. You can consult them on the page “Resistance status in France”. A summary
R4P News

Biocontrol index and R4P codes

The ACTA biocontrol index 2021 – 5th edition – has just been published! Updated every year, this practical guide provides the keys to understanding how biocontrol solutions work in different plant production sectors, as well
R4P News

Monitoring resistance around the world

The R4P network has analysed the systems for monitoring resistance to plant protection products around the world. This study shows that in the same country, several types of actors, private or public, often carry out
R4P News

2021 Collaborative note on cereal diseases now online

The collaborative note “Resistance of cereal diseases” has just been added online on January 28th 2021. It is available here and displays the status of resistances affecting antifungals used to control the main cereal diseases.
R4P News

News about resistance in grape diseases

The collaborative note “Resistance of vine diseases” is now online. You will find here a detailed description of the evolution of resistance to the different modes of action registered to control downy and powdery mildews,