• Apple collar rot

  discolouration of the roots. On the foot, dark brown lesions with sharp borders occur. Above the graft and on leaves, dark brown, irregular lesions occur. In

• Black root rot of cucurbits

  cucurbits. Damage symptoms Phomopsis sclerotioides causes grey-black spots with a dark demarcation line on cucumber roots. The lesions are slightly sunken and are [...] the lesions are light-brown. The lesions can be enclosed by pseudostromata: dark coloured tissue that looks like black stripes. The disease is usually restricted

• Black rot of carrots

  Black rot of carrots ( Alternaria radicina ) causes death of seedlings and dark brown lesions with a yellow halo on leaves, growing into crown rot. Infection [...] spots on leaves, petals and stems. These spots can be distinguished by the dark and brown concentric rings that are caused by sporulation. Species may differ

• Pomegranate wilt complex

  drooping and drying of leaves and branches. The entire tree dies in few months. Dark greyish brown to black colouration of wood below bark and vascular discoloured

• Sweet pepper

  colours ranging from vanilla/white and yellow to orange, green and red and even dark purple and brown. The sweet pepper is a very rich source of vitamin C and

• Corn earworm

  corn earworm The eggs of corn earworm are a milky-white colour, which turn dark grey before hatching, and have a ribbed spherical shape. The larvae hatch [...] The adults have a brown-coloured body, with a wingspan of 35 to 40 mm and a dark stripe on the side edge of the forewings and hindwings; they live for around

• Tomato leafminer

  cocoons. Pupae have a greenish coloration at first, and then turn chestnut and dark brown shortly before adult emergence. Adult moths of the tomato leaf miner [...] Tuta absoluta ) are grey-brown with filiform antennae, alternating light or dark segments and recurved labial palps, that are well developed. Black spots

• Beet armyworm

  and is active only at night. The forewings are grey-brown suffused with a dark brown or black. The head and thorax are brown and the abdomen grey-brown [...] armyworm (Spodoptera exigua) caterpillar can be 25 to 38 mm in length, with dark, wrinkled stripes dorsally and a yellow band running the length of the body

• Bacterial soft rot, bacterial stem rot

  the fruits, lesions first are small and sunken, water-soaked and light to dark brown. They are adjacent to wounds and natural openings at the stem end.

• Pea blight, leaf and pod spot

  are more elongated. The lesions are light brown, sunken and surrounded by a dark brown to red-brown border. The first infection is often on the primary leaves