• Black leg of seedlings

  infection is the easy stripping of the skin from the root cortex with a finger nail. Life cycle and appearance of Black leg of seedlings Pythium belongs to [...] Germination of the oospores is stimulated by exudates from roots of a susceptible host nearby. The oospores germinate and form so-called sporangia from [...] and very little of the root system survives. On the border between air and soil or substrate the plant turns brown. A typical symptom of a Pythium infection

• Root rot of carrot

  exhibit by necrotic leaf spots Life cycle and appearance of Root rot of carrots The fungus of R. carotae has delicate, simple morphological features hence [...] 7.1 (optimum 4.2–4.7). This affinity for acidic conditions may explain the concentration of this disease in the rather acidic soils (of southwestern Norway) [...] only host plant of the fungus. How to prevent root rot of carrot Studies have shown that 3several key factors influencing the occurrence of blemishes and

• Black rot of carrots

  appearance of Black rot of carrots Black rot of carrots ( Alternaria radicina ) is a seed-transferred carrot disease. The seeds are the main source of primary [...] crop residues and cause primary infection of the leaves. Survival can be several years, in the case of black rot of carrots ( Alternaria radicina ) up to 8 [...] primary infection and this may lead to death of seedlings. From the primary infection of leaves, this type of carrot disease can spread to the flowers (especially

• 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

• Stick it to Pests: The Power of Mass Trapping

  May 17, 2024

  insecticides. For example, consider the case of thrips . A single thrips can lay hundreds of eggs over the course of their lifetime. By trapping these adults [...] size sticky cards at a rate of 2,000/ha. Always choose yellow Horiver cards or roller traps unless you are using a large amount of Thripor or parasitic wasps [...] Environments Another key advantage of using Horiver sticky cards and roller traps is their ability to impede the migration of pests within a grow room or greenhouse

• 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

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

  September 3, 2024

  with the introduction of the first predatory mite for biological control’, says Koppert CEO René Koppert. ‘Our growing range of predatory mite products [...] safe transportation and optimal application of our predatory mite products worldwide. The quality and vitality of our mites have never been better.’ Continuous [...] Koppert to step into the shoes of our founder, but our mission remains unchanged, and that is to work towards the better health of people and the planet; to

• Agriflora Pro Leaflet EN

  ➢ Colonization of the rhizosphere of plants. ➢ Production of phytohormone types auxins and gibberellins directly activating the growth of plants. ➢ Increasing [...] Bacillus subtilis 2 x 109 CFU / g o Bacillus amyloliquefaciens 2 x 109 CFU / g  Improves yield  Enhances growth  Augments the absorption of nutrients Re [...] Increasing of bio-availability of some essential elements: Bacteria in Agriflora PRO increase the solubilization of phosphates and also allow better absorption

• Viridis Pro Leaflet EN

  rhizosphere of plants. ➢ Production of phytohormone types auxins and gibberellins directly activating the growth of plants. ➢ Increasing of bio-availability [...] 1 Month (10ml / 1000 p2) Sod Golf green 1L / Ha 7-10 days Golf tee (10ml / 1000 p2) 2L / Ha 3 applic. / Lawn care (20ml / 1000 p2) season Fill the tank [...] to obtain a final dosage of 1-2L / Ha when the fertilizer is applied to turf. Viridis PRO spec sheet CANADA KEEP OUT OF REACH OF CHILDREN. May cause se