Plasmopara viticola (a.k.a. Downy Mildew) is one of the most common diseases and more serious threats for Vitis vinifera varieties all over the world. Early symptoms occur on the leaves of grape vines, exhibiting light green to yellow spots called…
Plasmopara viticola (a.k.a. Downy Mildew) is one of the most common diseases and more serious threats for Vitis vinifera varieties all over the world. Early symptoms occur on the leaves of grape vines, exhibiting light green to yellow spots called…