• Parasitic wasps

  January 1, 1970

  newly emerged larvae begin to feed on the host pest. They consume the host from the inside, which ultimately leads to the death of the host. Pupal stage: [...] host's body. Emergence: Once the parasitic wasp reaches maturity, it emerges from the host's body or the cocoon. The host pest is typically killed in the process

• Fusarium spp.

  January 1, 1970

  same time, the plant produces gum as a defence mechanism to stop the fungus from spreading. This gum blocks the xylem and causes the wilting which is the

• Adpro Shootin

  January 1, 1970

  temperature. Shelf-life Adpro Shootin is stable for a period of 24 months from the manufacturing date.

• Working at Koppert

  January 1, 1970

  play a role in its further growth. There is much room for personal input from colleagues. At Koppert we work together. Koppert employees have many opp

• Tea mosquito bug

  January 1, 1970

  a sucking pest. Nymphs and adults are damaging stages which suck the sap from young leaves, tender stems and buds. The toxic saliva of the insect is injected

• Koppert One

  February 7, 2024

  , considering both direct impacts like mortality or hindered development from eggs or pupae, as well as indirect effects such as reduced fertility (egg

• Grape mealy bug

  January 1, 1970

  to considerable yield loss. Damage symptoms Adults and nymphs suck the sap from the leaves, shoots, flowers and grape bunches. Malformation of leaves and

• Melon thrips

  January 1, 1970

  to buds and flowers. In addition to direct damage, it also transmits virus from infected to healthy plants. Life cycle and appearance The reproduction in

• Tobacco whitefly

  January 1, 1970

  clearly visible. These pupae are found on the oldest leaves. The adult emerges from the pupa via a T-shaped fissure. The adult whiteflies are often scattered [...] damage that whiteflies cause to a crop is the result of sucking out the sap from the plant leaves and secreting honeydew. This can have the following con

• Pollination checklist tomato

  January 1, 1970

  one to three days. To check on pollination, collect about 20 closed flowers from different spots. All the closed flowers must have bite marks. The closed [...] level gradually drops. At higher temperatures, the bumblebees stop flying. From the moment, the bumblebees will occupy themselves with cooling the hive until