• Powdery mildew

  and makes it harder for the fungi to enter the leaves To reduce chances of powdery mildew in greenhouses, it is advised to first ventilate by only opening [...] noticeable. In case of a severe epidemic, the fluffy colonies also appear on the upper side of the leaves. Many sweet pepper cultivars react to powdery mildew [...] over small distances (limited time) mostly happens via workers’ clothing. How to prevent Powdery mildew Use resistant cultivars whenever available Extra

• Sustainable cultivation goes much further than pests and natural enemies

  December 18, 2018

  Around ten to fifteen years ago, performing a read-out of a genome was extremely expensive. These days, it is more affordable. If you have the scope to invest [...] Natutec Airobug 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 [...] technology are growing in importance in response to Koppert's broaderfield of work. ‘If we can get to know and understand the plant better, we can also

• Pea blight, leaf and pod spot

  require water for dispersal. How to prevent Pea blight, leaf and pod spot Grow peas in arid regions Use clean seed Use a minimum crop rotation of four [...] General Ascochyta pisi is a fungal plant pathogen that causes A scochyta blight on pea (leaf blight or pea blight) and lesions of stems, leaves, and pods [...] more elongated. The lesions are light brown, sunken and surrounded by a dark brown to red-brown border. The first infection is often on the primary leaves

• Trianum-G

  adjusted to the particular situation. Check the label to find the recommended dosage for each crop and situation Consult a Koppert advisor or a recognised [...] sunlight. Recommended for you How to prevent Fusarium in pepper crops: Protect your plants with Trianum Trichoderma harzianum Cerall.. a powerful weapon against [...] root hairs, so that water and nutrients can be taken up better. This leads to a stronger and more uniform crop and better yields. This effect is stronger

• Plugging the plant propagation gap with Trianum

  July 5, 2019

  with water and applied as a drench to propagation trays at a rate of 1.5 g/m 2 Trianum-G is incorporated in the compost at a rate of 0.75 kg/m 3 Trichoderma [...] available, one is a granular product which is incorporated into the growing medium, and the second is a powdered formulation which is applied to ornamental plants [...] antagonism against a wide range of fungal plant pathogens. Koppert have marketed Trichoderma harzianum T-22 in the UK for over a decade, under the brand

• Glume blotch

  water helps the fungus to reach the upper leaves and ears. Seed infection is enhanced by wet weather conditions during heading. How to prevent Glume blotch [...] visible after five to seven days. On the lesions, new pycnidia are formed. The conidia that are produced in these pycnidia emerge in a pink slimy substance [...] General Parastagonospora nodorum (Phaeosphaeria nodorum) is a fungal pathogen of wheat , barley and ryethat induces yield and quality losses. Damage symptoms

• Navigating Energy Efficiency, Greenhouse Lighting & Pollination Success

  December 1, 2023

  have led to a number of issues for pollinating bees and bumblebees: ‘Of course, growers want to limit their rising energy bills, but they need to be cautious [...] the four to six weeks before the shortest day of the year (December 21), and the four to six weeks that follow it when the winter weather leads to the least [...] before sunset) to ensure that flowers are open for at least two hour periods during favourable conditions. Attention also needs to be given to the type of

• Crazy roots, hairy roots, crown gall

  tissue and causes a genetic change in the plant. How to prevent Crazy roots, hairy roots, crown gall Use clean propagation material Use a strict hygiene protocol [...] disease seems to be caused by a change in the hormonal system of the plant resulting from the Rhizobium infection. Rhizobium rhizogenes puts a Ri-plasmid [...] Adjust the work order in greenhouses to fit with the hygiene protocol Disinfect the nutrient solution in order to prevent biofilm growth inside the irrigation

• Bean seed fly

  seedlings. Poor growth: Bean seedlings may fail to emerge or show stunted growth compared to healthy plants. Damage to seeds: Darkened or damaged seeds, as bean [...] the bean seed fly. To implement this method, nematodes are applied to the soil. Growers can use their standard spraying equipment to apply the nematodes [...] These larvae are a clear indicator of bean seed fly infestation. By recognizing these symptoms early, you can take prompt action to address the infestation

• Root and crown rot of strawberry

  stimulates disease development. How to prevent Root and crown rot of strawberry Avoid stress: Take runner tips at the right stage to avoid stress and make plants [...] clavispora. Pestalotiopsis clavispora has been connected to strawberry diseases, but has also been linked to rose diseases. Damage symptoms Pestalotiopsis clavispora [...] Avoid overhead irrigation, since it seems to increase disease development Provide balanced nutrition Avoid damage to the plants by pest insects or plant handling