Green bean diseases and pests: symptoms and control
The 7 entries in Laisha's encyclopedia that attack Green bean, grouped by type. Each page covers identification, life cycle, the conditions that favour it, action thresholds and integrated management.
Growing Green bean? The free Green bean grow guide covers the crop from sowing to harvest.
Insect pests
Bean fly (bean stem maggot)Ophiomyia phaseoliInsect · The bean fly is a tiny shiny black fly whose maggots tunnel down from the leaves into the stems of young bean…
Angular leaf spot of beanPseudocercospora griseolaFungal disease · Angular leaf spot covers bean leaves with grey to brown spots that are angular because they are bounded by…
Bean anthracnoseColletotrichum lindemuthianumFungal disease · Bean anthracnose is a seed-borne fungal disease that causes dark red to black streaks along the veins on the…
Bean rustUromyces appendiculatusFungal disease · Bean rust covers bean leaves with small, raised, reddish-brown pustules that release powdery, rust-coloured…
Oomycete diseases (water moulds)
Phytophthora blight of pepper and cucurbitsPhytophthora capsiciOomycete disease · Phytophthora blight is caused by a water mould that rots the roots, crowns, stems, leaves and fruit of pepper…
Virus diseases
Bean common mosaic and bean common mosaic necrosisBean common mosaic virus and Bean common mosaic necrosis virusVirus disease · Bean common mosaic and its close relative bean common mosaic necrosis are virus diseases that mottle bean…
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