white fluffy fungal growth on the leaves. The centre is grey-brown with a light-green edge. On the stem, elongated brown lesions occur, usually circling
latter causing the greatest concern and proving difficult to control. In light of this, the export of fruit from susceptible crops to some parts of Europe
miner ( Tuta absoluta ) are grey-brown with filiform antennae, alternating light or dark segments and recurved labial palps, that are well developed. Black
peach aphids (Myzus persicae subsp. persicae ) may be green, white-green, light yellow-green, grey-green, pink or red in colour. They appear matt, never
eggs, larvae, and first nymphal instars are white, with nymphs becoming light brown as they age. The eggs are white, oval, and approximately 0.3 mm in
pyralid Adults of the European pepper moth ( Duponchelia fovealis ) are light to dark brown with a clearly visible white crinkled line on the forewing
eggs beneath the larvae. The egg initially appears transparent, turning light brown after two to three days, and hatches when the whitefly reaches its
a strong photokinetic response, i.e. the female is strongly attracted to light and is inactive in darkness.
always shorter than 20% of body length. They produce little wax, so that the light yellow to pink body is visible through its waxy covering. There is often
and above 35°C/95°F can be lethal Nematodes are susceptible to ultraviolet light (UV): do not use them in direct sunlight The moisture content of the soil