pathogen. It is a fungus known to cause the smut disease TCK smut in soft white and hard red winter wheats, as well as dwarf bunt. Life cycle and…
infestans f.sp. infestans ) causes water-soaked lesions with vague borders and white fluffy fungal growth on the leaves. The centre is grey-brown with…
mm and the dorsal thorax is covered with close-lying hairs. The eggs are white at first but rapidly turn darker. They are laid separately or in…
Aphids moult four times before reaching adulthood. With each moult they shed white skin, betraying their presence in the crop. The wingless tobacco…
Aphids moult four times before reaching adulthood. With each moult they shed white skin, betraying their presence in the crop. The adult potato aphid…
Aphids moult four times before reaching adulthood. With each moult they shed white skin, betraying their presence in the crop. The wingless adult…
Aphids moult four times before reaching adulthood. With each moult they shed white skin, betraying their presence in the crop. The cotton aphid can be…
miner ( Tuta absoluta ) are cylindrical. Their colour varies from creamy white to bright yellow, darkening in the embryonic phase and becoming almost…
and appearance of the corn earworm The eggs of corn earworm are a milky-white colour, which turn dark grey before hatching, and have a ribbed…
control in its raspberry production when it successfully controlled the white mite, a pest that had been a major problem for several berry growers in…
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