“…After multiple seasons, growth, yield and quality are reduced to such a degree that a commercial asparagus production becomes unprofitable. Among various biotic and abiotic stressors, mainly allelopathy from the asparagus root exudates and virus and fungal diseases were deemed responsible for this decline (Blok & Bollen ; Elmer, ; Hung, ; Kato‐Noguchi, Nakamura, Ohno, Suegaga, & Okuda, ; Lake, Falloon, & Cook, ).…”