• Tree specialist Wolterinck: Control of oak processionary caterpillar with Entonem

  casings begin to emerge. A second spraying may be needed, either of nematodes or of nematodes plus Bacillus thuringiensis -based products. ‘That is effective [...] The product is our preferred method over products based on Bacillus thuringiensis , which can only be used on trees with leaves. Nematodes are a better solution [...] advocate Wolterinck BV is a staunch advocate of Entonem against the oak processionary caterpillar. Ivo de Groot continues, ‘The product has a guaranteed firm

• Eretmocerus eremicus

  should be repeated at least 3 times at weekly intervals or until control is achieved. Depending on the specific situation, it may be better to switch to [...] eremicus Eretmocerus eremicus is a small parasitic wasp belonging to the family Aphelinidae . This beneficial insect is used as an important biological [...] their specialized mouthparts to feed on the internal tissues of the whitefly, leading to the host’s death and contributing to a decline in whitefly populations

• Neoseiulus californicus

  spaced in the crop. Release should be repeated after 4 weeks if the pest is not controlled. Consult a Koppert advisor or a recognised distributor of Koppert [...] Neoseiulus californicus Neoseiulus californicus is a selective predator of Tetranychid mites, i.e. it prefers to feed on spider mites but can also feed and [...] webbing. When spider mites are present it will preferentially feed on them and the population development is much faster on a diet of spider mites than on other

• Angular leaf spot

  also all types of vascular tissue of the crown can be infected, creating a look similar to that of a Phytophthora fragariae infection. Life cycle and appearance [...] spring if it rains or when sprinkler irrigation is used. Healthy, well growing plants are more susceptible than diseased or stressed plants. How to prevent [...] reflected light is used, the lesions look dark green, but when transmitted light is used, they are translucent. When conditions are humid, a viscous bacterial

• In Memoriam Peter Koppert

  June 21, 2023

  remember Peter as a visionary and a warm personality. Peter showed that a company is also about interpersonal connections and about making a positive impact [...] the beautiful memories they have of him. If you would like to express your support and condolences, you can leave a message in the condolence register here: [...] after a brief illness at the age of 73. Until just a few weeks before his death, Peter remained closely involved with Koppert through his role as a member

• General Terms and Conditions of Sale - Koppert UK Ltd.

  Goods are to be manufactured or any process is to be applied to the Goods by the Company in accordance with a specification submitted by the Customer the [...] above Barclays Bank base rate from time to time until payment in full is made (a part of a month being treated as a full month for calculating interest) 6 [...] fault and the Company is accordingly liable to the Customer the Company’s liability will be limited to the excess (if any) of the cost to the Customer (in the

• Optimal placement of bumblebee hives

  steps can be taken to increase the productivity of bumblebees: To ensure successful communication between bumblebees and humans, it is crucial to position [...] sunlight should be avoided during warmer periods. Yet, bumblebees need sunlight to be effective pollinators. Additionally, it is essential to maintain humidity [...] both parties. For optimal visibility, it is recommended to place the colonies near pathways, preferably within a distance of 2 meters. During the winter

• Enhance Your Aphid Control With Hoverfly Allies Rophoria & Syrphidend

  March 13, 2024

  Sphaerophoria rueppellii , is able to thrive in a wider range of temperatures compared to its counterpart, Syrphidend . Adapted to warmer and drier conditions [...] In response to the growing challenges posed by aphid infestations, Koppert are pleased to introduce two new products to its aphid control product portfolio: [...] settings. A Robust Approach To Aphid Control Incorporating Rophoria and Syrphidend into our aphid control product portfolio represents a strategic move to address

• Fit roots for plant health Technical bulletin 2020 EN

  plants are being cultivated in a balanced way, the fewer of these substances will be available. So, for a plant to be resistant, it is essential to manage [...] plant is directly associated with its internal balance, which is continuously changing. According to Chaboussou, it is not just any plant which is attacked [...] What is a sound root system? Obviously, each crop has its typical root architecture, ranging from a superficial root system to deep taproots, or a combination

• Phytoseiulus persimilis

  particular situation. Release should be repeated biweekly if the pest is not controlled. Consult a Koppert advisor or a recognised distributor of Koppert [...] Phytoseiulus persimilis is highly specific and is only effective against spider mites that produce a large amount of webbing. It can move within the web [...] outbreak is quickly and effectively dealt with, but the disadvantage is that it disappears rapidly in the absence of suitable prey. When prey is in short