Geranium Pelargonium are perennial herbaceous plants that can be attacked by a lot of diseases including the most economically destructive disease of geraniums, Xanthomonas hortorum pv. pelargonii (Xhp). In general, some warning symptoms can alert you: spots/ringspots and necrotic spotting, chlorosis, mosaic and wilt.
Discover all pathogens you can diagnose in geranium with our detection kits :

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