• Onion thrips

  indicate their presence in the crop. The vigour of the plant is reduced by loss of chlorophyll. When infestations become serious the leaves themselves can shrivel [...] inserted into the plant tissue with a saw-like ovipositor. Larvae are light to yellowish green in colour, with a large head and bright red eyes. The colour of [...] cells of the surface tissues and sucking out their contents, causing the surrounding tissue to die. The resulting silver-grey patches on leaves and the black

• Diamond back moth

  may occur in the florets. Initially, the pupa is pinkish-white to pinkish-yellow and changes to brown before adult emergence. The adult of the diamond back [...] ochreous and the markings are like those of the males. The back is marked with a broad cream or light brown band along the back, which is sometimes constricted [...] distances to invade crops in other regions. Damage symptoms The caterpillar is a surface feeder. They feed from the lower leaf surface, leaving the wax layer

• Tobacco whitefly

  cause to a crop is the result of sucking out the sap from the plant leaves and secreting honeydew. This can have the following consequences: If the population [...] influence the development of fruit and lead to a reduction in yield. The honeydew deposited on fruit makes it sticky. Dirt adheres to the fruit, and the growth [...] mouthparts and begins to feed on plant sap very soon after emerging. The insect is covered with a white waxy substance. The adult of the tobacco whitefly (

• Tomato leafminer

  place in the soil or on the surface of a leaf, in a curled leaf or in a mine. If they leave the mines they build silk cocoons on the leaflets or in the soil [...] mine inside the leaf, stem or fruit. In the second to fourth instars they become greenish with a black band behind the head. The prepupae of the tomato leaf [...] General The tomato leaf miner (Tuta absoluta), a major pest of field- and greenhouse-grown tomatoes, belongs to the family of Gelechiidae . It is oligophagous

• Nothing beats original

  or want to make a purchase, our team is here to support you every step of the way. Don't let pests compromise your harvest. Contact us now to discover [...] solutions today to support more sustainable agriculture, in partnership with nature. Be the first to receive updates about new stories. Subscribe to our YouTube [...] are applied to effectively control pests like whitefly , thrips , and spider mites . Choosing the right predatory mite solution to control a pest infestation

• Fall Armyworm

  tan to green to black. They have a distinct white inverted Y-shaped mark on the front of the head and four large spots on the upper surface of the last [...] General The fall armyworm is a polyphagous pest that is indigenous throughout the Americas. Recently, it has been found in Africa too. The caterpillars [...] symptoms The developing larvae eat different parts of the host plant, depending on the crop, the stage of crop development, and the age of the larvae. On

• Deltatrap

  trap into a triangle Place a sticky insert at the bottom of the trap, with the sticky surface facing upwards Fold both edges at the base of the triangle upwards [...] Place the Pherodis capsule in the middle of the sticky insert at the bottom of the trap Application Hang the traps approximately 10 cm above the crop in [...] pheromone which lures the males of the particular pest into the trap. Once in the trap they get stuck in the glue and are easy to detect, count and identify

• Koppert Foundation

  Koppert established the Koppert Foundation on their 50 th anniversary in 2017. This Foundation aims to contribute to sustainable solutions for horticulture [...] horticulture and agriculture and improvement of the health and availability of food and nutrition for those who need it most. Scope Koppert Foundation focuses

• Downy mildew of rose

  mildews, the optimum temperature is around 15 °C. The closer the temperature is to these 15 °C , the shorter the leaf wetness period that is required for [...] pathogens extruding from the stomata. In lettuce, the foot is infected first and this causes the plant to fall over. In cabbage the stem is also infected in severe [...] brown. On the underside of the leaf fluffy growth appears which is first white and later turns grey-brown. This is, in fact, the sporulation of the pathogens

• Pea blight, leaf and pod spot

  brown to red-brown border. The first infection is often on the primary leaves. The fungus is seed borne and thus also causes post- and pre-emergence damping [...] transmitted on the outside of the seed coat and cause primary infection. The conidia germinate and infect through the stomata or directly through the cuticle [...] of peas. The spots on leaves and pods are round, on the stems they are more elongated. The lesions are light brown, sunken and surrounded by a dark brown