• Cottony soft rot

  infects the stem base and the roots, whereas the ascospores infect the above-ground plant parts. In greenhouses, usually only mycelium is produced by the germinating [...] range of host plants. Damage symptoms The first symptoms of a cottony soft root ( Sclerotinia sclerotiorum ) infection are water-soaked lesions at the stem [...] germinating sclerotia. The fungus grows quite rapidly inside the plant and kills the host cells. On the infected plant tissue white, fluffy mycelium occurs

• Bacterial soft rot, bacterial stem rot

  wilt at the time of first harvest or after that. The pith disintegrates and the stem becomes hollow. Because of the bacterial growth in the pith, the stem [...] plants or in the soil in low densities. It has also been found in the gut of insects, possibly spreading from decaying vegetation to the growing crop that [...] stem seems wet and slimy. Above or below the hollow stem the vascular tissue keeps its normal colour. On the fruits, lesions first are small and sunken, w

• Bacterial spot

  as they grow. The centre of the lesions may fall out as they become drier. Under humid conditions, the spots may merge with lesions on the petioles and [...] plants and crop debris Avoid waste piles in the vicinity of the greenhouse or field Resistant cultivars of pepper are available and should be used Prevent [...] green fruits. The specks grow into brown spots that look like scab. These spots may be surrounded by a halo. In pepper, the spots on the leaves are also

• Mycotal in Salad Crops

  July 8, 2019

  Make the most of Mycotal in your salad crop IPM strategy Mycotal is a spore formulation of the insect pathogenic fungus Lecanicillium muscarium and is [...] hyphae that penetrate the insect’s epicuticle before entering the inner tissues, where it rapidly proliferates, causing death of the target pest. Salad crop [...] concentration of 0.1% (1 g/l), with a maximum permitted individual dose of 2 kg/ha in 2000 l water After dose of 2kg/ha Spray equipment: full coverage of all plant

• Sustainable cultivation goes much further than pests and natural enemies

  April 19, 2018

  Peter Maes points to the consumer, who has a romanticized notion of natural cultivation. ‘He or she thinks of the sun, the fresh air of the great outdoors, [...] The role of technology in biological control is set to grow even further; that's the prediction of Peter Maes, Koppert's director of Corporate Marketing [...] restraints on its use due partly to the CO2 emissions of this industry as well as the climate policies in place in many parts of the world,’ says Peter Maes, presenting

• Natutec Drive takes centre stage

  January 6, 2021

  t of its latest offering to the strawberry sector, in the form of the Natutec Drive . This is unquestionably one of Koppert’s most advanced and sophisticated [...] of the Natutec Drive from the beginning, and I am looking forward to seeing this in practise on strawberry farms throughout the British Isles in the years [...] a series of tubes, on a flow of air. The application process is controlled from a touch-screen inside the tractor cab, by simply selecting the product name

• A Growing Success at Welgro Produce

  January 13, 2022

  episode of the RTE 1 television series ‘Ear to the Ground’ aired on Thursday 18 th November. During the RTE coverage David explained some of the technical [...] in need of modernisation, the three growers have demonstrated that they certainly have the know-how when it comes to growing a quality crop of cucumbers [...] range of pests and diseases. The environment is constantly monitored by sensors which feed into a computer system. If the boiler breaks down or the feeding

• Legume Pest Monitoring Systems

  April 12, 2023

  occasionally attacked. The larvae feed in the flower buds during June, leading to flower failure and significantly reduced yields in the more determinate vining [...] pest more effectively and help pea growers time the application of control solutions more accurately". The Pherodis trap contains a pheromone lure which [...] Field Edges From June The Pea midge monitoring system comprises of Koppert's Pherodis trap and a pheromone lure which attracts the male midges. PGRO's

• Expanded board to strengthen development at Koppert Biological Systems

  April 19, 2018

  EN RODENRIJS, THE NETHERLANDS – Koppert Biological Systems has increased the size of its board in response to the projected growth of the Dutch family company [...] realize that it was time for change within the top tier of the company’, says CEO Paul Koppert. ‘Three of the original board members will stay on to ensure [...] non-family members who have earned their spurs over the years. The new members of the board each have their areas of expertise and we have every confidence that

• Flowering and Pollination in Blueberry

  April 4, 2019

  critical periods in the blueberry growth-cycle. The first is bud initiation in the autumn. Before the plant goes into dormancy, the plant is ‘deciding’ [...] and which buds generative. The more energy the plant has, the more generative buds are initiated. The generative buds are the ones that produce flowers [...] Poor growth in the late summer/early autumn will limit the number of generative buds, and, consequently, the yield. Flowering is the second critical period