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Onion Fungal Disease Outbreak Report by HL Guevarra is a document available to read on EtoBox.
What is Onion Fungal Disease Outbreak Report about?
An onion fungal disease called Stemphylium-Purple Blotch Leaf Blight Complex was discovered in 2000 in the Philippines. The disease was caused by two types of fungi, Stemphylium visicarium and Alternaria porri, and resulted in 40-50% crop loss. The disease causes small brown spots on leaves that develop into elongated spots reaching the leaf tips. It can girdle and kill leaves, weakening the plant. The fungi are secondary pathogens that infect plants already stressed by other diseases or conditions like Bot
- Author
- HL Guevarra
- Language
- EN