Fig. 1. Symptoms of Phytophthora disease in walnut trees: dark, water-soaked lesions with irregular margins.
Sacramento Valley Orchard Source
Your source for orchard news & information in the Sacramento Valley
Your source for orchard news & information in the Sacramento Valley
Phytophthora Root and Crown Rot & Paradox Canker Disease in Walnuts
Fig. 1. Symptoms of Phytophthora disease in walnut trees: dark, water-soaked lesions with irregular margins.
Leave a Reply