As from 2 August 2011, the IWGP (international working group Peronospora) has officially named Pfs 13 in spinach. A significant part of the Rijk Zwaan spinach range is resistant to this strain.

Rijk Zwaan is pleased that clarity has been provided about the mildew strain which, up till now, was only found in Arizona and on the west coast of America. The IWPG has not received a single report about Pfs 13 from any other continent: the European market is still free from it. Now that the mildew strain has officially been recognised, Rijk Zwaan can once again inform its customers clearly and fully about the resistance patterns of its varieties.

To get a complete overview of Rijk Zwaan spinach varieties and their resistance patterns, it’s best to contact a Rijk Zwaan crop advisor.