• Pierce's disease of grapevine

  tyloses block the vessels, causing the plants to wilt. Transport to different plant parts depends on the plant species: in peach, bacteria are found in [...] the risk of infection in cultivated crops. The spread from one host plant species to another is still under investigation and seems to depend on the location [...] found in leaves and fruits. The bacteria are transferred from plant to plant by all kinds of xylem-feeding insects. Well known, but certainly not the only

• Loose smut of barley

  and within one to two days after pollination. How to prevent Loose smut of barley Use clean seed: Apply systemic fungicide treatment of seeds. Contact [...] emergence. The first sign of infection is the appearance of a smutted ear. Instead of normal tissue, the ear contains a mass of olive-brown smut spores. [...] cycle and appearance of Loose smut of barley The seeds are infected during flowering and the infected seeds are the primary source of inoculum in the next

• New Leaf Plants back Koppert biocontrol

  June 9, 2021

  and recognise when to make changes, to stay one step ahead of potential pest problems,” she added. David continued “Due to the success of our biological strategy [...] propagation facilities. The primary aim is clear: to become one of the leading producers of climbing plants in the home and European markets. “We have developed [...] in-house. The nursery produces up to 600 different varieties of Clematis and over 400 varieties of other climbing plants, including Abutilon, Lonicera, Jasminium

• Loose smut of wheat

  appearance of a smutted ear. Instead of normal tissue, the ear contains a mass of olive-brown smut spores. Life cycle and appearance of Loose smut of wheat [...] and within one to two days after pollination. How to prevent Loose smut of wheat Use clean seed: Apply systemic fungicide treatment of seeds. Contact [...] infected seed and prevent the use of seeds from infected fields for further cropping Prevent plant diseases by optimising plant potential and crop resilience

• Koppert and CABI collaborate on making more biological controls available

  December 18, 2018

  benefits of Plantwise plant doctors and the use of biological controls as part of Integrated Pest Management (IPM) Supporting the establishment of local [...] give advice on integrated pest management to local farmers. Other key areas of intended collaboration between CABI and Koppert as part of the MoU are: [...] facilities of natural enemies to encourage the uptake of biological control in less developed countries Dr Trevor Nicholls, CABI CEO, said he was proud to be working

• Black root rot of cucurbits

  particles. How to prevent Black root rot of cucurbits Test for the presence of Phomopsis sclerotioides with molecular tools before planting Use resistant [...] dark demarcation line on cucumber roots. The lesions are slightly sunken and are mostly formed around the point of attachment of lateral roots and root [...] disease is usually restricted to a few of the roots but in severe cases all roots may be infected. At the final stage of the disease, only vascular tissue

• Plugging the plant propagation gap with Trianum

  July 5, 2019

  Gives protection to cuttings, seedlings and plug plants in propagation; can be used for all ornamental plant species T-22 has several modes of action: competition [...] highly competitive soil-borne fungi, many of which display successful antagonism against a wide range of fungal plant pathogens. Koppert have marketed Trichoderma [...] water and applied as a drench to propagation trays at a rate of 1.5 g/m 2 Trianum-G is incorporated in the compost at a rate of 0.75 kg/m 3 Trichoderma harzianum

• A turning point in Almeria: how predatory mites helped transform agriculture

  April 16, 2025

  shift. Growers began to understand that working with nature could offer not just peace of mind, but also long-term success. “ Thanks to our predatory mites [...] solutions, based on the solutions that are already there, in nature. ” Predatory mites: a sustainable solution One of the key advantages of predatory mites [...] a wide variety of species - each with its own pest target. And there are still many more to discover, ” he says. “ We will continue to innovate and adapt

• How a little predatory mite laid the foundation for biocontrol today

  June 5, 2024

  struck on the idea of a natural enemy for this pest,’ Paul Koppert, former CEO and son of Jan Koppert recalls. ‘His journey of exploration took him to research [...] decided to commercialize the first production of predatory mites for the biological control of spider mite,’ says Paul. ‘Koppert was the first to offer a [...] stricter control of chemical residues on fruit and vegetables. This forced growers to look for safe solutions, and we were more than ready to help them.’ A

• Spidex Vital lives up to its promises

  been released and they get right down to doing their job.’ A tense moment Sjaak van Dijk switched over to Spidex Vital at the start of February. ‘I have three [...] problems in cucumbers. The ability of Spidex Vital to tackle spider mites and hot-spots effectively brings a sense of calm to the farm.’ He states that the [...] Koppert promised in the leaflet, he tells us. ‘Spidex Vital immediately gets to work on tackling spider mites and hot-spots, the beneficials search more effectively