• Diamond back moth

  depressions, and rarely on stems or petioles. There are four larval instars. The body tapers at both ends and is green, sometimes suffused with pale yellow [...] fliers and can disperse, on average, only 13 to 35 m within a crop field, however, they are readily carried by the wind and as such can disperse 400 to [...] General The diamond back moth (Plutella xylostella) belongs to the family of Plutellidae . It only attacks Brassicaceae species, including cruciferous

• Optimising disease biocontrol in propagation

  April 26, 2021

  potential’ and ‘delivering disease protection’. Hardy ornamental nursery stock species develop roots from cuttings at different speeds. The rooting speed [...] conditions, and quality of cutting material, can influence rooting efficiencies (often referred to as the ‘cutting strike rate’). Slow-rooting cuttings are especially [...] plugs represent an unwelcome economic loss to the business, that can often be avoided. A hygiene programme is a significant part of the disease control

• Mycotal - Effective at lower temperatures

  Although the pest reproduction might be low in colder conditions, or the pest may be inactive, they will start to build up a population as soon as the conditions [...] Germination rate of Mycotal and other commercial entomopathogenic fungi. 80 Tested in lab conditions at a temperature regime of 5 °C at night and 14 °C during [...] colony 20 Colony growth rate of Mycotal and other commercial entomopathogenic fungi. 15 Tested in lab conditions at a temperature regime of 5 °C at night

• Bean seed fly

  Overview of Bean seed fly The bean seed fly, officially known as Delia platura , is a common pest that targets bean crops but can attack crucifers, cereals [...] emerge or show stunted growth compared to healthy plants. Damage to seeds: Darkened or damaged seeds, as bean seed fly larvae feed on seeds and can cause [...] Secondly, inspect the seeds for damage. Look for darkened or damaged seeds, as bean seed fly larvae feed on seeds germinating in the ground, causing them

• Pea and Bean Weevil Trap

  within 10 days are likely to be at risk Appropriate measures can then be taken to protect the crop Dosage Five traps per field location. Timing Pea and bean [...] bean weevil is an early pest that affects spring-sown crops of peas and beans. Traps should be placed from February onwards (depending on geographic location) [...] Use the Pea and Bean Weevil Trap for monitoring pea and bean weevil in combination with species-specific pheromone. Pests Pea and bean weevil ( Sitona

• How to protect bumblebees in cold

  crop is healthy and the average 24-hour temperature is at least 15 ºC, you can ensure that there won't be any issues with the foraging activity of the [...] place the hives above the crop. Managing humidity in winter While dehumidifying tunnels/greenhouses in winter, it's essential to keep an eye on the bumblebees [...] during the winter months, bumblebees face challenges in surviving the cold conditions to maintain their productivity. We understand the importance of creating

• Ahold Delhaize: ‘We can't sell anything without substantiated information’

  December 18, 2018

  us, as we want to distinguish ourselves from our competitors: other retail chains as well as sales channels such as florists, retailers, and the day markets [...] sector in terms of sustainability. But this lead comes as no surprise, as food safety has been a deciding factor in the potato, vegetable, and fruit sector [...] cultivated. Doing so will only strengthen their position as suppliers to supermarket chains. ‘Continuous improvement is only possible if the relationship

• Biological solution against green shield bug

  June 23, 2021

  such as thrips , spider mites , aphids and whiteflies. It is possible to remove green shield bugs manually from crops, but this is only an option at low [...] bugs at an early stage. Research in 2018 to find the most effective natural enemy of this pest identified a European parasitic wasp that parasitises the eggs [...] greenhouses in north-western Europe and central Europe. The disappearance of chemical products, in combination with climate change, has resulted in an increase

• Effective Wireworm Control In Potato Crops With Beneficial Nematodes

  July 19, 2024

  insecticides targeted at wireworms have been banned, and those still available work poorly in the soil. These slender, cylindrical larvae feed on underground plant [...] wireworm larvae, which are slender, cylindrical, and typically yellow to brown in colour, will further confirm an infestation. Effective Control With Beneficial [...] nematodes, often referred to as entomopathogenic nematodes or beneficial nematodes , are a group of parasitic nematodes that have a unique relationship with

• Natutec Drive – On the road to precision biological control

  March 10, 2021

  apply predatory mite and insects as efficiently and effectively as possible to optimise the effect of our biocontrol products. As new products become available [...] these demands and current trends. Natutec Drive is essentially a tool to apply predatory mites and insects as effectively as possible, but we are also exploring [...] the crop. Product Manager Natutec at Koppert, Tom Vroegop, announced that there are currently three versions of Natutec Drive to accommodate 4 to 8 row