seenhaigus, mis tungib juurte kaudu varre juhtkimpudesse ja ummistab need, lehed kolletuvad ja närbuvad, juurekael pruunistub, juured kõdunevad, damping-off of young seedlings is common where the stems rot at the soil line, fall over, and die, older affected plants that survive may be severely stunted, have brown lower leaves and can wilt duri