• Bacterial canker of tomato

  the plants in greenhouse crops and by water in field crops, for example through splashes of rain or irrigation. Both in greenhouses and in the field, spraying [...] white with a brown centre. In potato, the disease usually only occurs in the second half of the season. The first symptoms are wilting of the lower leaves [...] General Clavibacter is a quarantine organism in Europe, which means that strong efforts are used to prevent the bacterium from entering. When the occasional

• Keep a Close Eye on Thrips

  May 21, 2020

  need to detect thrips in good time. Sticky traps are a useful tool in monitoring the development of infestations. Regular scouting in the crop is also essential [...] where to find the larvae. In some crops, you will find them mainly in the heads of the plants, while in others they tend to be in the flowers or on the leaves [...] can be found in almost every greenhouse, and for good reason: they are a proven means of monitoring the development of infestations. They are an essential

• Grey mould

  fungus in many environments. It survives in plant parts like bulbs and crop residues or as sclerotia (drought- and cold-resistant structures) in the soil [...] plants or plant parts in a closed plastic bag In tomato: prune with a knife and not by hand, to avoid rugged, irregular wound surfaces In cucumber: remove dead [...] lesion wilts and dies. In vegetables and strawberry, grey mould ( Botryotinia fuckeliana / Botrytis cinerea ) affects the fruit. In potted plants, the cuttings

• Pollination checklist outdoor

  Koppert's bumblebees ensure natural pollination in both indoor and outdoor crops. Good pollination in outdoor crops can be achieved by following the r [...] direct sunlight, particularly in warm periods. Provide the hive with sufficient shade, for example by positioning it in the shadow of the crop. Ensure [...] may be visited by bumblebees in addition to the target crop. You should therefore mow or cut down any flowering weeds in and around the area to be pollinated

• Looking Back at NECANN Boston 2025

  April 29, 2025

  Koppert consultants are available to assist in the planning and schedule of biological agents. Will you visit sites in person? Site visits are Koppert’s speciality [...] —brought in a lot of traffic. Judging by the amount of visitors we received, including many experts and professionals in the industry, these are topics that [...] businesses. In case you missed it—we handed out some premium swag bags: handsome, sturdy canvas totes full of information and product samples, as in cards,

• Grape downy mildew

  primarily as oospores in fallen leaf litter, though in milder climates it can also persist as mycelium within infected buds and canes. In spring, oospore g [...] 10°C in the presence of soil moisture, leading to the formation of macrosporangia that release motile zoospores within 24 hours. These zoospores are dispersed [...] mildew, caused by Plasmopara viticola , is one of the most important diseases in wine and table grape production worldwide. The disease spreads rapidly under

• Perfect Potted Hydrangeas for Super-Strict Customers

  December 6, 2019

  threat is not in the shrinking number of pest control products or more stringent rules, but in the lack of uniformity in legislation. "Customers are increasingly [...] possible. The most troublesome pests in Van Geest’s potted hydrangeas are thrips , aphids , and spider mites . Thrips are tackled once at the start of cultivation [...] and more stringent requirements are making crop protection across all crops that bit more complicated. Potted hydrangeas are no exception, and here too, biology

• Poinsettia Cultivation Has To Apply IPM

  June 27, 2019

  more nuanced in its approach to this by consulting with various stakeholders in the UK.’ Great Results in Canada Poinsettia growers in Canada are achieving [...] control in Poinsettia cultivation in the Netherlands an additional boost. ‘Koppert wants to achieve the same results that are being obtained in Canada here [...] sidelined in the future.’, says ornamentals cultivation consultant Richard Saarloos. There are differences between the various supermarket chains in the UK

• Biodiversity: Research into our positive impact on nature

  May 22, 2022

  changes are being implemented globally and at European level. The European Green Deal including the Biodiversity Strategy and the Farm to Fork, are aimed [...] farming by 2030. This policy is in potential very beneficial for the market position of biological control industry. However, in practice the market introduction [...] Market Access Manager, Evert Hamblok. Biodiversity research in progress Monitoring biodiversity in order to prove the overall positive impact our solutions

• Fusarium spp.

  whole plant wilts. Other symptoms are brown discolouration of the xylem vessels, which can be seen when the stems are cut. In banana, whole plantations may [...] solani : Members of the Fusarium solani species complex (FSSC) are capable of causing disease in many agriculturally important crops Damage symptoms of Fusarium [...] pinkish-red as spores are formed. Ear infection decreases the baking quality of wheat and brewing qualities of barley. Furthermore, mycotoxins are produced, of