Melon thrips

leaves become yellow or brown, also acquire bronze colour, then crinkle and die. Damaged terminal become discoloured, stunted and deformed. They preferably

Root and crown rot of strawberry

slow, growth is retarded and rooting is poor. Transplants look weak and may die. It is hard to visually distinguish between Pestalotiopsis clavispora and

Aphidius colemani

aphids to drop from the leaf and fall to the ground. Although many aphids die as a result, many will survive and migrate to other plants to begin new colonies [...] aphids produce a mummy similar to that of Aphidius spp. The aphids do not die at once but usually continue to feed and secrete honeydew. Second and third

Fusarium wilt

which can be seen when the stems are cut. In banana, whole plantations may die and the soil may not be suitable for planting for many years to come. Life

Blight of pepper

Phytophthora species cause root- and crown rot in potted plants. The small roots die and brown-black lesions occur on the larger roots. Plants wilt and the crown

Charcoal rot

bearing fruit or are subjected to stress. Severely infected plants collapse and die. When the crown is cut, internal symptoms can be seen, such as discolouration

Thrips

tissue and sucking out their contents, causing the surrounding tissue to die. The resulting silver-grey patches on leaves and the black dots of their excreta

Onion thrips

tissues and sucking out their contents, causing the surrounding tissue to die. The resulting silver-grey patches on leaves and the black dots of their excreta

Two-spotted spider mite

as more cell sap is removed, the leaf, and eventually the whole plant, may die. In tomatoes and cucumbers, as little as 30% damage of the leaf surface can

Black root rot of cucurbits

encircle the root. The roots become yellow-brown to black and ultimately die. Black lesions with fruiting bodies occur more commonly at temperatures of