• Frequently Asked Questions

  August 5, 2021

  honeybees? A: Bumblebees and honeybees can be used together. Koppert recommends separating the two species by a minimum of 100 yards. It is preferred that [...] crop. Q: How many bees are in a bumblebee hive? A: There are on average 250 bees in each hive. Q: How many hives do I need? A: If Koppert bumblebees are the [...] 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? A: The hives will last approximately

• Koppert Collaborates with Valto to Control Harmful Tomato Virus

  October 10, 2018

  ‘Yes, at first some growers may be a bit hesitant, since a vaccination is a weak form of the disease so plants feel a small shock initially, but plants [...] countries is expected in a few weeks or months’ time. We expect that tomato growers all over Europe will soon accept the ‘Pep’ virus vaccination as a standard [...] operates globally through a network of 27 subsidiaries and distributors in more than 100 countries, family-owned Valto has a specialized range of products

• Spidex Vital Trial Results

  were capable of travelling the given distance. A more diverse population composition is present in a bottle of Spidex Vital, so when applied in hotspots [...] colour change is dependent on the amount and stages of spider mites consumed, but in general takes 1 to 2 days. This change of colour therefore is a great visual [...] As the result of many years of research and fine-tuning, Spidex is now improved with a greater impact on spider mite control: Spidex Vital. Spidex Vital

• Crucial Information on Pollination at High Temperatures

  August 11, 2020

  Dol is now available. Click Here to Download Plant-pollinator interactions In cold climates, it is assumed that proper management of pollinators is sufficient [...] single biggest problem is that if there is not enough strength in the plant, the setting may be poor. Growing in warm climates opens up a whole set of problems [...] We all know that proper pollination of a flower is the most critical process related to fruit set, yield, and quality, but are you clear on how hot climate

• Manual Growing lights

  when daylight is at its minimum. The opening and closing system is pneumatic and is controlled by a timer or the climate computer. On a rare occasion, [...] (see figure 1.3 & 1.4). This hive is equipped with a blue hive door (in the visible spectrum for bumblebees) and has a special, flower shaped, UV pattern [...] available (28 Watt/m2 PAR light), a Wireless BeeHome system can be used. Even better is a combination of the best placement advice and automatic opening and closing

• Beneficial nematodes; the natural move towards biological crop protection

  April 5, 2023

  combat the pests they target. Ambushing nematodes lie in a soil layer or a leaf and wait for a pest insect to pass by. When the prey passes by, the nematodes [...] lettuce. Click here for a full overview of the targeted pests. For growers, one of the main incentives to use nematode products is the diminishing role and [...] passing host. Easy to use Beneficial nematodes offer a broad-spectrum biocontrol solution. Casea is sprayed on crops using commonly used spraying or irrigation

• General conditions Koppert Biological Systems Inc.

  se; Professional Relation : a contracting party, either a natural person or a legal entity, acting whilst carrying on a profession or enterprise; Natural [...] signed by a person who is authorised to enter into the agreement; b. by the reaching of a written consensus on an order form which is used by us and the [...] buyer is obliged to compensate us in full for the losses we suffer as a result of a fall in the exchange rate of the currency in which payment is made as

• Thripex Technical Leaflet

  Storing them for a period can have a negative impact on their quality and is only possible under the conditions described below. Koppert B.V. is not liable for [...] especially with a large number of mites and high humidity. Therefore, consult your supplier prior to using Thripex. It is recommended to carry out a small field [...] monitor the effects.’Thripex in vermiculite’ is the safest product for sensitive crops. Biological beneficials have a very short life expectancy and therefore

• Fusarium opens the door to other diseases and pests

  June 27, 2022

  .. This is an aggressive soil-borne fungus that excels at breaking down a plant's defenses. Even if a crop manages to maintain its defenses, a Fusarium [...] and insufficient nutrition can cause a plant to become weak, but aggressive fungi such as Fusarium can also have a devastating impact on plant resilience [...] for other diseases and pests to strike. Plants have a natural resistance to diseases and pests, which is essential as there wouldn't be any plants otherwise

• Very few greenhouse crops are safe from whitefly

  July 18, 2022

  than on roses. It certainly has its preferences. This is partly due to the fact that some plants offer a better food supply for whitefly . In addition, some [...] greenhouse whitefly and tobacco whitefly can survive in various locations and have a wide range of host plants: the insect targets vegetable and ornamental crops [...] in particular. The greenhouse whitefly and tobacco whitefly can thrive on a wide range of different host plants from all manner of families. Whitefly can