Black leg of seedlings

stripping of the skin from the root cortex with a finger nail. Life cycle and appearance of Black leg of seedlings Pythium belongs to the Oomycetes, a separate [...] 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 [...] conditions, especially dehydration. Germination of the oospores is stimulated by exudates from roots of a susceptible host nearby. The oospores germinate and form

The Spread of Whitefly

Downy mildew of Cucurbits

On the underside of the leave fluffy growth appears which is first white and later turns grey-brown. This is actually the sporulation of the pathogens extruding [...] leaves and after a while new spore-bearing structures are protruding from the stomata. Because there are more stomata on the underside of the leaf, this [...] prevent Downey mildew Choose resistant cultivars Use a wide crop rotation with non-host crops Prevent a humid microclimate. Achieve this by lowering crop

Bacterial canker of tomato

structures Use a crop rotation in field crops of at least two years and alternate with a non-host crop Apply deep-ploughing to stimulate the decay of crop residues [...] usually white with a brown centre. In potato, the disease usually only occurs in the second half of the season. The first symptoms are wilting of the lower leaves [...] leaves and subsequent expansion of the wilt upwards. Cutting the stem at the foot shows whitish ooze with bacteria in the case of C lavibacter infection, but

The advantages of Trianum

Time For A Tune Up

pesticides as well—and how those parts fit together to make a program work. They’re like a pit crew for a Formula One race car. Koppert’s professionals and regional [...] confronted most problems firsthand and built successful IPM programs for a wide range of growers. Among their most useful tools for production efficiency are [...] getting out of control, and any blind spots in the existing IPM program can be promptly found and remediated. Starting with an overview of the crop and

Creating a Cleaner Safer Berry

Biological control of spider mite - Phytoseiulus persimilis

Show Whitefly a Yellow Card

The value of Koppert consultants

consultancy service is built on a strong foundation of innovation and expertise: • A market-leading range and production of BCAs • Unmatched access to the [...] Free. When you work with Koppert, we don't just sell you bugs . You get a network of ornamental IPM experts who work for salary, not commission. Koppert partners [...] the world’s largest privately funded BCA R&D network • A complete portfolio of biofungicides, mycoinsecticides, and biostimulants Expertise you can see.

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 [...] seasons, 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 [...] the same direction, but away from the crop, with a maximum of two hives grouped together. Protection of the hive To maintain hive efficiency, it is crucial