• Veni Calcium

  foliar fertiliser, bringing the calcium quickly where it is needed. The calcium in the product can easily be taken up by the plant. Pack size 5 and 20 litre [...] Shake the container well before use Fill the application tank with half the required amount of water Add the required amount of Veni Calcium to the water [...] should be repeated a number of times Consult a Koppert advisor or a recognised distributor of Koppert products for advice on the best strategy for your

• Gummy stem blight

  and higher up on the stem. On the lesions, golden-brown gummy drops occur, hence the name gummy stem blight. On the lesions, black specks, the new fruiting [...] be recognized from the outside by the small narrowing of the tip of the mature fruits. The symptoms on stems, leaves and inside the fruits may occur together [...] debris and produces the sexual ascospores and asexual conida simultaneously. The spores germinate when free water is present on the plant, at high relative

• Cottony soft rot

  by the germinating sclerotia. The fungus grows quite rapidly inside the plant and kills the host cells. On the infected plant tissue white, fluffy mycelium [...] as cottony soft root, is a plant pathogenic fungus. It has a very wide range of host plants. Damage symptoms The first symptoms of a cottony soft root ( [...] mycelium infects the stem base and the roots, whereas the ascospores infect the above-ground plant parts. In greenhouses, usually only mycelium is produced by

• Limonica strong contender against persistent thrips

  September 15, 2025

  predatory mite is showing exceptional promise: Limonica . Why Limonica? Limonica ( Amblydromalus limonicus ) is a predatory mite that feeds on a wide range [...] supplemental feeding. A. limonicus egg laying and predation capacity on T. parvispinus larvae A. limonicus egg laying and predation capacity on S. dorsalis larvae [...] exert pressure on thrips populations before they peak. The potential of Limonica against other thrips Although most data currently focuses on T. parvispinus

• Phytophthora blight

  growth on the leaves. The centre is grey-brown with a light-green edge. On the stem, elongated brown lesions occur, usually circling the stem. On potato [...] zoospores. The pathogen grows into the stem and on the plant surface and new sporangiophores (structures containing sporangia, a type of spores) with sporangia [...] leaf wetness is required. Dispersal is by wind and rain causes the pathogen to be returned to the soil from infected plants. Dispersal in the soil happens

• Fusarium head blight or scab

  of the plant is infected, either because the seedling was infected or by direct infection of the foot by overwintering inoculum. On the infected foot, conidia [...] General Fusarium is a group of soil-borne fungi with many different species. Fusarium is widespread and can infect a range of host crops. Many species [...] Survival is also possible on seed, greenhouse structures, tools and machinery. Primary infection is either seed-borne or takes place as infection of the roots

• Natutec biocontrol application devices

  application methods. The right system for you Choosing the right system depends on the specific needs of your operations, particularly the surface area and [...] empowering nature with technology! The Natutec product portfolio offers a broad range of application devices for the dispersal of beneficial organisms over [...] using Natutec technology. Endorsed by Koppert Natutec is a product brand of Koppert. We specialize in the production and supply of biological control products

• Rophoria

  not open the box until you arrive at the release point. Carefully open the perforated lid of the carboard box. Hang the open box vertically on the plants [...] Adult hoverflies emerge from the pupae and deposit their eggs in the aphid colonies. The young larvae start feeding on the aphids . Visual effect Aphids [...] Consult a Koppert advisor or recognised distributor for advice on the best strategy for your situation. Environmental conditions Rophoria is most effective

• Syrphidend

  not open the box until you arrive at the release point. Carefully open the perforated lid of the carboard box. Hang the open box vertically on the plants [...] Adult hoverflies emerge from the pupae and deposit their eggs in the aphid colonies. The young larvae start feeding on the aphids . Visual effect Aphids [...] Consult a Koppert advisor or recognised distributor for advice on the best strategy for your situation. Environmental conditions Syrphidend is most effective

• Foot rot of cereals

  humidity, the conidia germinate and penetrate the host's tissues. Inside the plant, the fungus colonizes the root and lower stem, leading to the characteristic [...] staining of the lower nodes. Long dark streaks may also appear at the stem base. On older plants, infection can produce a true foot rot, where the stem base [...] infection of the grain without obvious bleaching of the ears. The presence of orange/pink spores may also be visible on infected spikelets. As the crop ripens