LEAVES

Appearance

Reason

 at foothold

rabbits

with small, round holes

earwigs

with big holes and  traces of slime

slugs /snails

leaves + flowers + eyes

earwigs

 mostly of greenhouse vegetables

vaulter

with yellow blemishes and thin spider web

mites

with silver blemishes and black spots

thrips

with rough blemishes

nematodes

light green leaves, yellow between the nerves

chlorosis

with white speckles

white rust

white speckles and dust texture

mildew

black speckles  and pink mycelial texture

fusariosis

black speckles and sticky honeydew

mealy

brown / orange-brown speckles

rust

grey, soft speckles

botrytis

orange-brown speckles and mycelial texture

white rust

STALKS

Appearance

Reason

white mould round stalk foothold

sklirotinia

bulky stalk

nematodes

vegetable dying, stalk foothold partly abraded, dark grubs on the ground

titoula larvas

vegetable dying, extremely dry period, no extra watering

drought

vegetable dying, blemishes on leaves and stalk

fusariosis

vegetable dying, brown stripes on stalk

verticillium wilt

ROOTS AND TUBERS

Appearance

Reason

black roots, black blemishes on leaves and stalk

fusariosis

brown roots, stalks with brown stripes

verticillium wilt

deformed, bulky roots

cabbage cancer

abraded roots with small holes

wireworms