• Pierce's disease of grapevine

  in olive. Damage symptoms Grapevines: Primary infection of leaves results in leaf scorch. Part of a green leaf suddenly dies and turns brown with adjacent [...] (within 2-3 years) than in more tolerant cultivars, which may survive more than five years. Stone fruit (peaches and plums): In peach, the canopy of infected [...] occur on the underside of the leaves. These lesions start out in a light-brown colour, turning to dark-brown or necrosis. Fruits of infected trees are much

• Treatment of bumblebee stings and allergies

  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 [...] hyperventilation, perhaps as a result of shock, may also cause loss of consciousness. In such cases it is also necessary to call the emergency medical services [...] Treatment of bumblebee stings and allergies This information on bumblebee stings provides guidance for reducing the chance of being stung by a bumblebee

• Optimal placement of bumblebee hives

  Correct placement of hives The right placement of bumblebee hives can significantly enhance the pollination efficiency of bumblebees. The following steps [...] recommended to place the colonies near pathways, preferably within a distance of 2 meters. During the winter, sufficient light should reach the hives, while [...] it is advisable to position the hives at a height of 20 – 60 cm above the ground on the south side of the path. This location ensures that the hives receive

• Root and crown rot of strawberry

  clavispora in the case of root and crown rot (of strawberry), first found in The Netherlands, and Pestalotiopsis longisetula in the case of leaf spots, such [...] clavispora and Phytophthora cactorum. Life cycle and appearance of Root and crown rot of strawberry Not much is known about the life cycle. The fungus produces [...] such as leaf spot of strawberry and fruit rot reported mainly from Brazil. The genus is quite complex, so the taxonomy may change. Pestalotiopsis clavispora

• Mini-Airbug, Rapid deployment of beneficials.

  May 8, 2019

  application of predatory mites to the entire crop, or localised pest control. The device is convenient, and ideal for releasing various types of predatory [...] and rotating dosage container, ensures an even distribution of the material up to ± 1.5 to 2 metres from the Mini-Airbug, depending on the material The [...] enemies are distributed over the crop very evenly, increasing the effectiveness of pest control This handy device makes releasing predatory mites even simpler

• A legacy of sustainability: Stolk Brothers and Koppert’s shared vision

  March 17, 2025

  necessity and a calling. “In the early 90s, my father and uncle began working with Koppert, driven by firsthand experience of the impact of chemical pesticides [...] years ago, you could just call someone at Koppert and get a sample to try out. Things have become more structured, but the essence of the company—the accessibility [...] .” Predatory mites: the backbone of a sustainable strategy For Stolk Brothers, predatory mites form the foundation of their biological crop protection

• Pherodis Fruit Fly Attractant

  trapping of Drosophila suzukii in various fruit crops. Pests Spotted wing drosophila ( Drosophila suzukii). Crops Various fruit crops. Mode of action Flies [...] trap with 200 ml of the luring substance Refill when the luring substance has evaporated or is saturated with flies Dosage For the number of traps to be used [...] package for expiry date. Storage temperature 2-30°C/36-86°F. Storage conditions Store in sealed package out of sunlight.

• Attracker

  concentrate (SL). Content Mixture of equal concentrations of sucrose, dextrose and fructose. Preparation Prepare the spray solution of the insecticide according [...] product. Dosage Outdoor crops: 2-4 litres/ha Protected crops: 100-200 ml per 100 litre of water (0.1-0.2%). Compatibility Attracker can be combined with abamectin [...] sprays resulting in better control. Crops All crops. Mode of action Attracker is a solution of several sugars which lures thrips from their shelter places

• Vidi Funda

  maintains the natural balance of the soil. Crops All crops. Mode of action The Vidi Funda pellets break down through the interaction of temperature, moisture and [...] bio-availability of nutrients. Pack size 20 kg bags. Presentation Solid, brownish pellets. Content Organic matter, 7% organic nitrogen, 2% P₂O₅ (as rock phosphate) [...] preventively or soon after planting of the crop Application rates typically range from 250-500 kg/ha, or 2-3 kg/m 3 of substrate Applications could be repeated

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

  waiver by the Company of any breach of the Contract by the Customer shall be considered as a waiver of any subsequent breach of the same of any other provision [...] interpretation. 2 Basis of the Sale 2.1 The Company shall sell and the Customer shall purchase the Goods in accordance with the provisions of the Order Form/any [...] been passed to the Customer. The time of payment of the price shall be of the essence of the Contract. Receipts for payment will be issued only upon request