Soft rot

problems Guide

Signs of the problem

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Water-soaked lesions on cabbage head which expand to form a large rotted mass of cream colored tissue which is liquid underneath

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Surface of lesions usually crack and exude slimy liquid which turns tan, dark brown or black on exposure to air

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Stunted plant growth; yellow leaves and stems; brown discoloration of water conducting tissue within stem

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Root system rotted, mushy and turning black; rotted rhizome gives off a foul odor.

Solutions to the problem

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Bacteria are easily spread on tools and by irrigation water; disease emergence favored by warm, moist conditions.

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Control relies on cultural practices; rotate crops; plant cabbage in well-draining soils or raised beds; only harvest heads when they are dry; avoid damaging heads during harvest.