Pomegranate bacterial blight

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

Cercospora leaf spot

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

Pea blight, leaf and pod spot

General Ascochyta pisi is a fungal plant pathogen that causes A scochyta blight on pea (leaf blight or pea blight) and lesions of stems, leaves, and pods (pea leaf spot and pea pod spot). Damage sympt

Wheat bunt

General Tilletia tritici and Tilletia laevis only differ in one gene and easily hybridize. There is debate whether they should indeed be considered separate species, since they cause the exact same sy

Blight of pepper

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

Damping-off

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

Early blight

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

Loose smut of barley

General Ustilago nuda f.sp. hordei affects barley and can destroy a large proportion of the crop. It is also known as barley smut, or loose smut of barley. Damage symptoms Infection by Ustilago nuda f

Bacterial soft rot, bacterial stem rot

General Erwinia carotovora subsp. carotovora has recently been renamed Pectobacterium carotovora . It is one of the pectolytic bacteria causing extensive bacterial rots (bacterial soft rot, bacterial

Powdery mildew

General Powdery mildew is a fungal disease that is caused by many different species of fungi such as Erysiphe, Podosphaera, Oïdium, Leveillula. Damage symptoms Powdery mildew symptoms are fairly simil