• Cottony soft rot

  in dead and living plant material in or on the ground. Sclerotia germinate at temperatures between 4 and 26 °C with an optimum between 13 and 15 °C. G [...] wilting and death of plants. Life cycle and appearance of Cottony soft rot Cottony soft root ( Sclerotinia sclerotiorum ) overwinters as sclerotia and mycelium [...] easily be seen with the naked eye and look like rat droppings. The symptoms may occur on stems but also on leaves, fruits and pods. Root infection often leads

• Tomato leafminer

  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 [...] occurs inside mines or fruits, the prepupae do not build cocoons. Pupae have a greenish coloration at first, and then turn chestnut and dark brown shortly [...] light or dark segments and recurved labial palps, that are well developed. Black spots are present on the anterior wings. Adults are nocturnal and usually

• Diamond back moth

  initially yellow or pale green and later darken. They are deposited singly or in small groups of two or ten eggs on both the upper and lower surface of [...] flower buds, flowers and young seed pods, causing loss of pods and seeds. Life cycle and appearance of Diamond back moth The oval and flattened eggs of the [...] preferentially in depressions, and rarely on stems or petioles. There are four larval instars. The body tapers at both ends and is green, sometimes suffused

• Southern European marshland pyralid

  ornamental crop plants, such as roses and gerbera, aquatic plants, vegetable crops such as celery, pepper and lettuce, and weeds. The secretive habit of the [...] Late instar larvae burrow into soft woody or herbaceous plant stems causing withering or drying of crowns and possibly stem collapse. The holes bored into [...] in a tile-like fashion on both the upper and lower surface of leaves close to the veins, or low on the stem or stalk close to the ground. The pinkish red

• Deltatrap

  monitoring and trapping male moths and mealybugs in protected and outdoor crops in combination with a species-specific pheromone. Pests Moths and mealybugs [...] Replace the sticky insert when largely covered by insects and/or debris Dosage Use two or four traps per hectare for every species of moth to be monitored [...] into the trap. Once in the trap they get stuck in the glue and are easy to detect, count and identify. Trapping males also aids in reducing the number of

• Beetles

  damage Both larvae and adults of beetles can cause damage to crops. The larvae of some species feed on growing tips and roots or chew and bore into stems [...] serious damage in many greenhouse and field crops by feeding on leaves, roots, or fruits, leading to reduced growth and yield loss. Effective beetle control [...] of all insect orders and displays an enormous variety of form, size and habit. A number of species are a serious pest in crops or stored products. There

• Bacterial wilt, brown rot

  well in water and in many different soil types and on alternative hosts like weeds. It invades the plants through wounds or stomata and then spreads into [...] Verticillium or Fusarium wilts. Life cycle and appearance of Bacterial wilt, brown rot Ralstonia solanacearum is a quarantine organism in Europe and considered [...] pathogenic bacterium. It is a soil-borne disease and colonises the xylem, causing bacterial wilt and brown rot in a very wide range of potential host plants

• Cotton leafworm

  from grey to reddish or yellowish, with a median dorsal line bordered on either side by two yellowish-red or greyish stripes and small yellow dots on each [...] economic importance. It originates in Egypt, and is currently found in Africa, the Canary Islands, the Middle East and parts of Mediterranean Europe including [...] stripping and skeletisation of the leaves, whereby all that remains are the bigger veins. Young larvae also bore into buds, which results in shedding or drying

• Boost Soil Health Naturally: Inside the Koppert Soil Health Program

  June 16, 2025

  roots and protects them against diverse pathogens. Trianum helps crops establish stronger roots, grow uniformly, and perform better under stress or sub-optimal [...] Phosphorous, Potassium, and Silica, making them more readily available for the crop, growth enhancement, improving performance and yield, and enhanced plant tolerance [...] Improved Growth : Healthier soils and root systems enhance water and nutrient uptake resulting in overall increased plant growth and increased production. E­ffective

• Potato/tomato psyllid

  dark brown or black colour with white or yellow lines and a distinctive white stripe on the abdomen. They are small in size, around 2.5 mm, and they live [...] weakness in the new leaves, chlorosis/reddening or purple colouration of the leaf bases and internodes, and poor-quality fruit. The bacterium Candidatus [...] ellow, and finally green. When they hatch, the adults have a yellowish-green colour and whitish wings, which become transparent over time, and their bodies