• Latest R&D data about the new strain of Myzus persicae

  6 February 2025

  Onne Isfordink, a member of Koppert’s R&D team, ‘At the time, I was working in the department responsible for identifications. Every sample we received [...] for Koppert’s R&D team, which had to adapt its diagnostic protocols and conduct [...] growers in other regions remain unaware of the strain’s presence and the protocols

• Anagyrus vladimiri

  Leave bottles in the crop for at least two weeks Carry out adequate ant control The dosage [...] is 0.8 mm in length and black in colour. Anagyrus vladimiri is arrhenotokous; virgin [...] readily attack second and fourth instars. The female lays a single egg in each host. Eggs laid in

• Internal powdery mildew

  quality depending on the host crop Severe infections can result in extensive leaf loss and significant reductions in crop productivity. Life [...] lifecycle: infection is typically initiated when fungal growth establishes in leaf tissue (often after stomatal entry), and external sporulation develops [...] Unlike many foliar pathogens, free moisture on leaf surfaces is not required for infection and may inhibit spore production and dispersal. How to manage

• Aphidius colemani

  and is primarily known for its effectiveness in controlling aphid populations in various agricultural and horticultural environments. Aphidius colemani is widely used in the biological control of aphids . Aphidius colemani is used for the control

• New strain of green peach aphid Myzus persicae needs more aggressive beneficial insects

  30 August 2023

  roses and many others. It is establishing in the Netherlands and the UK and several [...] Aphipar-M, which is more effective. ‘We have already proved its effectiveness in the lab, and are now doing cage and field trials to acquire hard data for [...] not only looking at products from our portfolio but also at new candidates for the target crops. For example, our R&D team in Spain found a new parasitic

• Aphelinus abdominalis

  abdominalis is not very mobile Spread material on rock wool slabs or in application boxes (Dibox) Make sure the material remains dry and at its [...] individuals are parasitized. The control of the aphids is due to host feeding and parasitization in roughly equal measure. Life cycle and appearance of Aphelinus abdominalis An adult Aphelinus abdominalis is 2.5 to 3 mm in length, with short legs and short antennae. Females have a black thorax and

• Carrot

  About The carrot ( Daucus carota subsp. sativus ) is a root vegetable and comes in a variety of colours, ranging from the regular orange to black [...] originally produced for its seeds and leaves. Carrots can be classified as hardy biennials and are grown as annuals. Carrots can vary greatly in colour, shape and size. The shorter carrot types grow well in heavy soil,

• Aphidius ervi

  items How to use Aphidius ervi The parasitic wasp Aphidius ervi is available in a bottle ( Ervipar ). Spread the material on rock wool slabs or in Diboxes Make sure the material remains dry and is not moved from its introduction site for at least a few days The dosage [...] aphid's internal tissues. They use their mouthparts to puncture the aphid and consume its bodily fluids, ultimately leading to the host's demise. In

• Caterpillar control with nematodes

  product page for detailed advice on application, handling and storage. Get in contact [...] FAQs On this page, you find listed questions and answers about nematodes in general, their application, shelf life, storage advice, or specific regulations for using nematodes in your region and crop. Download FAQs nematodes PDF More

• Parasitic wasps vs chemical pesticides

  Both methods aim to control pest populations, but they differ significantly in terms of effectiveness, environmental impact, and cost-effectiveness. [...] pest species without leaving harmful residues, thus preserving biodiversity and preventing pollution of soil and water sources. In contrast, chemical insecticides can contaminate ecosystems, harm non-target species, and contribute to the decline of pollinators and other beneficial organisms in