Outbreak of crown and root rot of walnut caused by Phytophthora cinnamomi in Chile

Agriculture & Biology

• Phytophthora cinnamomi 100%
• crown rot 97%
• walnuts 85%
• root rot 80%
• Chile 71%
• cankers (plants) 35%
• Phytophthora 34%
• orchards 31%
• tree crown 21%
• Juglans regia 19%
• leaf abscission 17%
• baits 15%
• lesions (plant) 14%
• rootstocks 14%
• soil sampling 12%
• signs and symptoms (plants) 11%
• industry 9%
• disease prevalence 9%
• Rhododendron 9%
• water 9%
• sporangia 8%
• corn meal 8%
• zoospores 8%
• selective media 8%
• chlorosis 8%
• sampling 7%
• Taiwan 7%
• Korean Peninsula 7%
• cortex 6%
• tissues 6%
• leaves 6%
• pathogenicity 5%
• deterioration 5%
• growing season 5%
• agar 5%
• stems 4%
• DNA 3%
• soil 3%
• testing 2%