(Major cause), species of Fusarium, Rhizoctonia, Sclerotium, Macrophomina, Phytophthora are occasionally associated with fungi. Symptoms Affected plants show yellowing in some branches or twigs follow
Relative humidity above 50% and temperature between 25 - 30 0 C, over-use of nitrogen fertilizer, micronutrient deficiency and reduced plant health leads to swift development of bacterial blight. Symp
Disease Cycle Cercospora leaf spots can be caused by many species of Cercospora species depending on the plant type infected. Infected seeds, infected plants and plant debris are primary source of inf
General Grey rot or southern blight is a disease caused by the fungus Athelia (Sclerotium) rolfsii . It is an important plant pathogen that inhabits the soil, and is responsible for root and stem rot,
materials (seed, cuttings, tubers) Disinfect cutting knives and tools Control root rot nematodes as the wounds they make on roots help the bacteria to
General Pythium is considered a ‘weak pathogen’, meaning that it can usually only affect plants that are in a sub-optimal condition or suffer from stress, caused for example by too much water, too hig
General Phytophthora cactorum is a plant pathogen that causes root rot, rhizome rot of strawberry, apple rot, apple collar rot and crown rot. It has an extremely wide host range. Damage symptoms Phyto
General Phytophthora capsici is an oomycete plant pathogen that causes blight and fruit rot of peppers and other important commercial crops. Damage symptoms Phytophthora causes root rot, seedling damp
General The only known stage in all Alternaria species is the asexual stage. Conidia and mycelium overwinter in the soil and on crop residues and cause primary infection of the leaves. Survival can be
General Ustilago nuda f.sp. tritici is a basidiomyceteous fungus that affects wheat. It is also known as loose wheat smut, or loose smut of wheat. Damage symptoms Infection by Ustilago nuda f.sp. trit