• Koppert collaborates with Valto to control harmful tomato virus

  December 18, 2018

  are aware of the yield losses that this virus can cause.’ ‘Yes, at first some growers may be a bit hesitant, since a vaccination is a weak form of the disease [...] globally through a network of 27 subsidiaries and distributors in more than 100 countries, family-owned Valto has a specialised range of products and will benefit [...] is composed of two mild variants of the Pepino Mosaic Virus (VX1 and VC1) and provides twofold protection against various damaging symptoms of the PepMV

• Phytoseiulus persimilis

  for use of Phytoseiulus persimilis Phytoseiulus persimilis is most effective at temperatures between 13 and 27°C (55 and 81°F) and not effective above 30°C/86°F [...] commercially in greenhouses and Koppert’s very first product in 1967. It is a specialist predator of spider mites and can control spider mite infestations [...] protonymph and then start to feed on spider mites. The quantity of prey consumed depends on the predator and prey populations, the sex and age of the predator

• Mycotal

  amount of Mycotal For optimal effectiveness combine with an adjuvant such as Addit or Squad Mix with 3-4 litres of water (15-20°C) per 500 gram of Mycotal [...] Mycotal and stir into a slurry Fill the spray tank with the required amount of water Empty the slurry into the spray tank and stir thoroughly Add the correct [...] ornamentals , nursery trees and soft fruit in protected cultivation. Mode of action After spraying Mycotal, the spores germinate and grow to hyphae that penetrate

• Horiver Drystick

  apple sawfly ( Hoplocampa testudinea) Mode of action Insect pests are attracted to the colour of the sticky trap and get caught in the glue. Presentation P [...] glue gets saturated earlier with insects or dust and debris The silicone cover paper is perforated and can be removed in sections for monitoring purposes [...] Drystick for trapping and monitoring different flying insects. The traps work particularly well for bugs such as Lygus spp. and Nesidiocoris tenuis. Pests

• Pollination checklist tomato

  humidity (RH) of between 50% and 80%. A relative humidity of more than 80%-85% will result in pollen not being released and the bumblebees will become inactive [...] again. A healthy crop and the presence of sufficient healthy flowers form the basis for good pollination . Various factors can disturb the health of the plant [...] provide a precise picture of the situation. Flowers that are open for longer than one day have between one and five bite marks Check the work of the bumblebees

• Ercal

  may be better to switch to the use of En-strip or Enermix . Consult a Koppert advisor or a recognised distributor of Koppert products for advice on the [...] whitefly ( Bemisia tabaci ). Mode of action Adult female parasitic wasps parasitise the second and third larval stage of the whitefly . Additionally, host [...] places exposed to direct sunlight Dosage The dosage of Ercal depends on climate, crop and whitefly density and should always be adjusted to the particular situation

• Mushroom

  may be defined by criteria that include absence of poisonous effects on humans and desirable taste and aroma. Most mushrooms sold in supermarkets have [...] Mushroom A mushroom, or toadstool, is the fleshy, spore-bearing fruiting body of a fungus, typically produced above ground on soil or on its food source [...] source. Edible mushrooms are the fleshy and edible fruit bodies of several species of macrofungi (fungi which bear fruiting structures that are large enough

• Navigating Energy Efficiency, Greenhouse Lighting & Pollination Success

  December 1, 2023

  energy crisis and escalating costs for heating and lighting greenhouses have led to a number of issues for pollinating bees and bumblebees: ‘Of course, growers [...] lights with blue and green light will help bumblebees forage and navigate on darker days. The installation of more and higher intensity LED is a trend which [...] . In case of heavy snow on the deck of the greenhouse, and with screens remaining closed the whole day, it is best to keep hives closed and run hand p

• Larvanem Has Been The Number One Product Against Vine Weevil For Over 25 years

  August 22, 2024

  our nematodes are free of any diseases.' Rick also highlights how effective Larvanem is. 'You get a much better result than using a chemical pesticide against [...] in its special strain of Heterorhabditis bacteriophora , which is the basis of Larvanem . The product is also completely natural and does not interfere with [...] other beneficials. For many growers, Larvanem is the most effective means of combating vine weevil. Of course, there are also chemical products for use against

• Horiver Wetstick

  thrips Black: Tuta absoluta Mode of action Insect pests are attracted to the colour of the sticky trap and get caught in the glue. Presentation Polysterene cards [...] Combined use Yellow Horiver Wetstick can be used in combination with Natutec Scout for easy identification and counting of insects trapped. Storage time See [...] Use Horiver Wetstick for trapping and monitoring of different flying insects. Pests Yellow: whitefly , thrips , fungus gnats, leaf miners Blue: thrips