Brief introduction of Wei Zi sooty blotch

Category: diseases of leaves, flowers and fruits

Distribution: sooty blotch, also known as soot disease, is widely distributed in garden plants all over China.

Morphology and biological characteristics of pathogenic bacteria: it belongs to coal-burning fungi in subfamily Fungi, with dark brown, beaded mycelium and creeping leaves. Conidia have various shapes, such as single cell, double cell or brick lattice. Conidia are erect, long rod-shaped, light brown, unicellular, 3-4 microns long and 2-3 microns wide. Conidia are also nearly spherical, with a diameter of 49-70 microns.