• Biodiversity: Research into our positive impact on nature

  May 22, 2022

  worldwide due to the loss of habitats, the use of pesticides in agriculture, acidification of our soil, and climate change. Biodiversity is the foundation of [...] 2030. This policy is in potential very beneficial for the market position of biological control industry. However, in practice the market introduction of [...] has been working on the topic at Koppert for the past year. Our resent research conducted resulted in a strategy and a definition. The definitions that reflect

• Just How Compostable are Ulti-Mite Sachets?

  October 23, 2019

  finds place in a natural environment and the timeframe is limited to 12 weeks. For example, an apple on the side of the road or a tomato in the green waste [...] researched. The sachet quality is not only important for the time that it is being used by our customer in the crop, it also plays a role in the total production [...] too fast during the development phase of the predatory mites, the quality of the Ulti-Mite sachet drops below specs and won`t produce the projected number

• Fusarium spp.

  This species is the only Fusarium that actually grows inside the vascular system of the host plant and spreads upwards inside the plants. The other species [...] infection of the roots at the root tip, or in small wounds, for example where lateral roots branch off the tap root. F. oxysporum grows inside the roots towards [...] towards the foot of the plant and enters the vascular system. Inside the vessels, the fungus produces mycelium and many spores (microconidia), which are

• Crazy roots, hairy roots, crown gall

  growth (crazy roots). In greenhouse vegetables, the roots overgrow the substrate and in severe epidemics the drippers get clogged. In tomato, excessive vegetative [...] caused by a change in the hormonal system of the plant resulting from the Rhizobium infection. Rhizobium rhizogenes puts a Ri-plasmid in the plant tissue and [...] Adjust the work order in greenhouses to fit with the hygiene protocol Disinfect the nutrient solution in order to prevent biofilm growth inside the irrigation

• Bacterial wilt, brown rot

  signs of wilting during the day which may disappear in the early stages of infection. Under conditions favourable for the bacteria, the whole plant will wilt [...] s roots on the stem. The vascular stem tissue is coloured brown and when the stem is cut, bacterial slime oozes from the wound. This is the way to distinguish [...] Infected stems show long, dark brown streaks. The vascular tissue in the tubers becomes grey-brown and the tuber eyes also turn grey-brown. This disease

• Predatory mite pioneers: A journey of biocontrol innovations

  October 24, 2024

  “part of the company furniture,” as he puts it. Originally from Belgium, Peter arrived at the Koppert headquarters in the Netherlands in 2001. “In 1967, our [...] response. “We were the first and remain the only company to offer an alternative to paper sachets for the application of predatory mites in challenging climates [...] breakthrough by being the first to use predatory mites to control pests," says Peter. “In 2006, I was part of another pivotal moment in our history when we

• Biocontrol for Spider Mites

  April 24, 2020

  and as the chlorophyll is removed, the leaf, and eventually the whole plant, may die. Nymphs and adults of spider mites produce webbing in which the mites [...] pest without the use of harsh chemicals. In the mid 1960's, Koppert released the first predatory mite, Phytoseiulus persimilis , for the control of spider [...] Spider mites are pests of many crops throughout the world. By far the most common species in greenhouses is the two-spotted spider mite , Tetranychus urticae

• Predatory mite pioneers: A journey of biocontrol innovations

  October 21, 2024

  “part of the company furniture,” as he puts it. Originally from Belgium, Peter arrived at the Koppert headquarters in the Netherlands in 2001. “In 1967, our [...] response. “We were the first and remain the only company to offer an alternative to paper sachets for the application of predatory mites in challenging climates [...] breakthrough by being the first to use predatory mites to control pests," says Peter. “In 2006, I was part of another pivotal moment in our history when we

• Gummy stem blight

  a cucumis in cucumber causes brown lesions on the foot and higher up on the stem. On the lesions, golden-brown gummy drops occur, hence the name gummy [...] cucumber, the most important symptom is internal fruit rot, which can only be recognized from the outside by the small narrowing of the tip of the mature fruits [...] ascospores are the main source of dispersal of disease upwards in the crop and the conidia for spread of the disease downwards. How to prevent Gummy stem blight

• Biological Pest Control

  sms , to keep pest populations in check. This approach not only reduces the environmental impact but also minimizes the risk of pesticide resistance, making [...] pest control methods do not harm the environment, ensuring the preservation of ecosystems. Sustainable Biocontrol reduces the need for continuous chemical [...] on biological control focuses on enhancing the presence of natural enemies and beneficial organisms in the environment to maintain a balance between pests