Plant Diagnosis

Bacterial wilt on marigold Critical

Sudden wilting of plants with no yellowing caused by Ralstonia solanacearum in April–July, peak in May–June.

Description

Ralstonia solanacearum infects through the roots and blocks xylem vessels. Infected plants wilt rapidly and die. Brown streaking in stem vascular tissue is visible.

Symptoms

• Sudden wilting of plants without leaf yellowing, browning of vascular tissues