• Protect Poinsettias From Whiteflies

  April 15, 2025

  Holland IPM consultant for IL, MO, & IN lholland@koppert.com Chris Anzell IPM consultant for MI & OH canzell@koppert.com Phil Gerry IPM consultant for New [...] pgerry@koppert.com Kristen Fowler IPM consultant for PA & NJ kfowler@koppert.com Nan McKay IPM consultant for MD, VA, DC, & WV nmckay@koppert.com Jordan Seward [...] beneficial fungi. Why Isarid™ Is A Grower-Approved Ally Against Pests In Ornamentals Green Valley Greenhouse of Ramsey, Minnesota is an ornamental grower with

• An impressive range of predatory mite solutions thanks to continuous research and innovations

  September 3, 2024

  emerging from the sachet is often five-fold,’ René explains. Humidity resistance is another factor considered as it extends the season in which the predatory [...] position in the international market.’ ‘We now have the broadest portfolio of predatory mite solutions in the industry, with ten different mites in multiple [...] ‘Our growing range of predatory mite products has set a standard in the sector that is difficult to beat.’ The innovative biocontrol solution that came

• No Risks for Employees or for the Environment

  October 22, 2019

  interest in biological crop protection, Plántulas de Tetela started using biological control for sciarid fly in 2003, as chemicals proved inefficient in combating [...] firmly believe that is something that you need to make an effort to achieve. And, to us, that is a matter of prestige.’ Assistance is Essential Since finding [...] protection is of the utmost importance for the director and owner of Plántulas de Tetela. ‘That is why the assistance that we receive from Koppert is essential

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

  March 17, 2025

  ago. The Stolk Brothers’ journey in horticulture began in 1925 when Pieter Stolk’s great-grandfather purchased land in Bergschenhoek and started growing [...] partner with Koppert is the company’s reliability and dedication to growers. “Koppert is more than just a supplier; they’re a partner in our journey. Their [...] horticulture is entirely free of chemical pesticides. “It’s achievable, but we need full commitment—not just from growers, but also from policymakers in The Hague

• Successful biocontrol in potatoes

  August 3, 2023

  nematodes come in a long-storage, biodegradable carrier in a formulation that is easy to dilute and safe to handle. 'Using nematodes against wireworms is a pretty [...] growers in France, Belgium and the Netherlands soon. Koppert is becoming a serious player in agriculture and replacing many chemical agents in several [...] fungicide and beneficial nematodes is proving to be the answer for many potato growers in Europe. Recent trials using Trianum in combination with Casea have shown

• The cost-saving potential of biological crop protection for your IPM strategy

  February 20, 2025

  alternative management strategies, to estimate costs and benefits. In some studies, value is defined as the savings achieved by not utilizing other pest and [...] most immediate cost-saving benefits is reducing chemical pesticide use. By integrating biocontrol agents early in the season, growers will experience less [...] intervention once established. An example of this is the use of a combination of the Orius predatory bug in combination with the banker plant Lobularia. Trials

• Predatory Mites Whitepaper

  whiteflies and is the best option when the pest pressure is high. • In laboratory trials the oviposition of A. andersoni with whitefly eggs as prey is good. This [...] high temperatures (30°C). At 15°C there is till some predation but development is very slow. If the temperature is below 8°C for a longer time, A. swirskii [...] and A. andersoni. In a healthy, good growing plant canopy the humidity close to the leaf surface, where the mites live, is higher than in the surrounding

• Koppert Launches NatuGro System for California Strawberry Growers

  August 5, 2021

  able to deliver on this promise time and time again in research trials and large-scale grower trials. In fact, most strawberry growers were able to increase [...] click here . *Due to government regulations these products and offer is Only available in California. Talk to a Consultant Today [...] production, recently announced the introduction of its new NatuGro System in the California strawberry market. NatuGro features a proprietary combination

• Reinforced Hook For All

  July 16, 2018

  both sides. As a result, the hook is sturdier and more resistant to moisture, so that the sachets remain firmly in place in the crop. Product manager Tim Bossinga [...] we want to make this improvement available for all our slow-release sachets in order to make these products even more robust.' This improvement will be applied [...] offers a lot of advantages. Constantly large population of predatory mites in your crops Little opportunity for pests to establish themselves Optimum protection

• Frequently Asked Questions

  August 5, 2021

  It is preferred that they are placed on opposite ends of the crop. Q: How many bees are in a bumblebee hive? A: There are on average 250 bees in each [...] workers in the hive, slide the door to the entrance-only position. Do this prior to sunrise when the bees are not active. Leave the hive doors in this position [...] last minute availability. Q: When should hives be put in the crop? A: Place the hives when the crop is 5-10% bloom. Q: How long will the bumblebee hives last