• Spider mites and other mites

  control of spider mites and other mites Spider mites and other mite species can rapidly infest greenhouse and field crops, feeding on plant cells and causing [...] Biological control of spider mites and other mites uses a range of natural enemies that target different developmental stages of the pest: Predatory mites [...] mites and russet mites are so small that they cannot be seen with the naked eye and only have four legs. Tarsonemid mites cannot also not be seen with the

• Treatment of bumblebee stings and allergies

  bumblebees are larger than honeybees, and hairier than wasps. Only bumblebee workers and queens have a stinger, as is the case with honeybees and wasps. Drones [...] Level 3 - level 1 and/or 2 symptoms plus difficulties in breathing and/or a feeling of suffocating Level 4 - level 1 and/or 2 and/or 3 symptoms plus heart [...] doctor. This can be carried with you and is used to inject epinephrine into the thigh in the case of a sting. Tests and treatments are available at the Allergology

• Better insights and digital advice with Natutec Scout

  October 2019 and is very happy with how it works. ‘Scouting with the app is much faster thanks to the scanner’s digital image recognition and the link to [...] intensive remote contact with the Koppert consultant. We see exactly what the level of infestation is and how natural enemies are working.’ The Scout app [...] This is how Barry Enthoven of Lema Tomaten in Naaldwijk, the Netherlands sees it, manager of the 5.5 hectare company owned by Ruud Leerdam and Rob van

• How to protect bumblebees from heat

  cooling methods include Use of defused glass and coating, cooling by outside air and use of soil for cooling. Using more bumblebees By using extra bumblebees [...] the top and the sides of the hive or providing an installation above the central walkway could benefit the bumblebees in high temperatures. Other cooling [...] The study of climatic and environmental conditions in which bumblebees need to operate in various countries worldwide conducted over a period of 35 years

• How to protect bumblebees in cold

  importance of creating the ideal conditions for bumblebees to thrive and optimize their pollination activity. To ensure the best performance of bumblebees [...] that there won't be any issues with the foraging activity of the bumblebees, leading to efficient pollination . Placement of hives in low temperatures During [...] Balancing pollination activity and climate To achieve the best pollination results, it's essential to allow the majority of bumblebees to focus on their

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

  is a specialist in tree care and weed control and works on behalf of local authorities and governmental bodies. Co-owner and general director Ivo de Groot [...] be needed, either of nematodes or of nematodes plus Bacillus thuringiensis -based products. ‘That is effective around ten days in and if the trees have [...] based on Bacillus thuringiensis , which can only be used on trees with leaves. Nematodes are a better solution for urban areas.’ Wolterinck BV sprays the nematodes

• Caterpillar control with nematodes

  thrips pupae, and larvae of sciarid flies and several beetles . Research and field experience however show that beneficial nematodes are also very effective [...] applications of our nematodes for years. Laboratory and field experience show that Entonem and Capsanem are significantly effective against a variety of caterpillars [...] Entonem and Capsanem product page for detailed advice on application, handling and storage. Get in contact Nematodes and chemicals Nematodes are quite

• Mealybugs and scales

  Coccoidea are at first sight barely recognizable as insects. The females are wingless and immobile, and covered with a hard scale (armoured scales and soft [...] first sign of the presence of this type of pest. Among ornamental crops, ferns are particularly sensitive to soft scales, as are oleanders and orchids. Armoured [...] Biological control of mealybugs and scales Mealybugs and scale insects are persistent pests that feed on plant sap, weakening crops and producing honeydew

• Effective thrips control with predatory mites

  thrips, whiteflies and other small insects and mites. It feeds on all larval stages of thrips and has a big appetite compared to other predatory mites . [...] Thrips are one of the most challenging pests in horticulture and agriculture, causing both direct and indirect damage to a wide range of crops. Their ability [...] growth, and flower damage. Moreover, their role as virus vectors (e.g., TSWV) increases the risk profile of infestations, making early intervention and IPM

• Bacterial canker of tomato

  the name ring rot. Life cycle and appearance of Bacterial canker of tomato Clavibacter is seed-borne and tuber-borne and primary infection is mostly from [...] clothing and gloves, disinfect tools and greenhouse structures Use a crop rotation in field crops of at least two years and alternate with a non-host [...] . Potato growers lose their entire crop of the affected field and potatoes from other fields on the farm, are labelled as ‘suspect’ that year. On the infected