• Cotton bollworm

  of the older caterpillar is extremely variable, and may be green, straw yellow, black, or pinkish / reddish brown. Full grown larvae are 30 to 40 mm long

• Damping-off

  slightly older plants, the leaves lose their turgor or the leaf tips turn yellow, for example in flower bulbs. At first, the plants recover during the night

• Bacterial wilt, brown rot

  symptoms In potato, field symptoms of Ralstonia solanacearum are wilting and yellowing of leaves and stunted plants. Inside, vascular browning is common with

• Horiver Rollertrap

  ribbon coated with wet sticky glue. Available colours and sizes Colours : yellow, blue, white, red, black and transparent Standard sizes: 5, 15 and 30 cm

• Ercal

  host feeding also occurs. Visual effect Parasitized whitefly pupae turn yellow, the adult parasitic wasp can be seen clearly within the parasitized whitefly

• Tomato leafminer

  absoluta ) are cylindrical. Their colour varies from creamy white to bright yellow, darkening in the embryonic phase and becoming almost black near eclosion

• Whitefly

  transmitting harmful viruses. Their feeding weakens plants, causes leaf yellowing and leads to honeydew deposits that reduce crop quality. Effective whitefly

• Protect your plants from Thrips with Horiver-TR®

  June 23, 2016

  sensitivity to UV, green-yellow and blue colours. Blue sticky traps are especially more attractive to thrips although yellow sticky traps are more helpful

• Know Your Enemy - A closer look at Whiteflies

  August 14, 2024

  include irregular ripening in tomatoes and peppers, yellowing of flower stems in gerbera, and serious yellowing of the leaves in green beans Extensive feeding [...] The greenhouse whitefly can transmit more than 25 viruses with 'Tomato Yellow Leaf Curl Virus’ (TYLCV) as one of the most serious. The larvae of the Tobacco

• Western flower thrips

  saw-like ovipositor. Larvae are nearly transparent white or yellowish to orange-yellow, with a large head and bright red eyes. Adult females are very variable