Angular leaf spot

t. When conditions are humid, a viscous bacterial exudate forms on the underside of the leaf. This exudate changes to a white film when it dries. Lesions [...] types of vascular tissue of the crown can be infected, creating a look similar to that of a Phytophthora fragariae infection. Life cycle and appearance of [...] spring. The bacteria are also introduced in a crop in new transplants. This bacterium is very resistant to desiccation and can survive well in dry leaves

Bugs

Hemiptera Bugs What are bugs? Heteropteran bugs form a group in the order Hemiptera , a highly diverse group of insects, containing both harmful and beneficial [...] as a result of toxic substances that they inject into plants while feeding. Solution Finder Find solutions for your crop Bug damage Bug species How to [...] their body when at rest. The wings overlap each other exposing the scutellum, a prominent triangular region of the thorax between the wing bases. This dis

Predatory mites

crops, using a blower for dispersion is an available option. This approach proves particularly effective when a swift response is required due to a pest invading [...] targeting: Predatory mites have a remarkable ability to locate and prey upon specific pest species, minimizing damage to non-target organisms. Resilient [...] target pest is crucial. Scouting is essential to know where the pest is, how severe the infestation is and to identify the pest. Select the right predatory

Whitefly

videos Take a look at the video or go to our Youtube channel to see our whitefly control products in action. More whitefly control videos How to get rid of [...] Whitefly damage The larvae need a lot of nutrients for growth, and thus consume a large quantity of plant sap. This contains a high proportion of sugar, and [...] are not true flies , but belong to the order Hemiptera (true bugs ). Together with aphids and scale insects, they belong to the division Sternorrhyncha. The

Charcoal rot

conditions. In field crops in temperate regions it is therefore not a problem. How to prevent Charcoal rot Plant in fields with no history of the disease [...] General Macrophomina phaseolina is a common soil fungus in warmer regions, causing charcoal rot. It has a very wide range of host crops, many of which [...] discolouration of vascular and cortex tissue (outer tissue layer) to orange-brown to dark brown. Cutting the roots may show the same discolouration of

Black rot of carrots

Post-harvest storage at 0-1 o C. A. brassicae and A. brassicicola : adjust the sowing date to avoid conditions conducive to infection. In greenhouses: avoid [...] radicina ) up to 8 years. Damage symptoms Black rot of carrots ( Alternaria radicina ) causes death of seedlings and dark brown lesions with a yellow halo [...] Alternaria radicina ) is a seed-transferred carrot disease. The seeds are the main source of primary infection and this may lead to death of seedlings. From

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

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

Bacterial spot

and handling and aerosols. Many isolates are resistant to copper-containing pesticides. How to prevent Bacterial spot Use clean propagation material and [...] like scab. These spots may be surrounded by a halo. In pepper, the spots on the leaves are also round and small to start with and slightly raised from the [...] General Xanthomonas vesicatoria is a bacterium that causes bacterial leaf spot on peppers and tomatoes. Damage symptoms Xanthomonas vesicatoria in tomato

Black root rot of cucurbits

coloured tissue that looks like black stripes. The disease is usually restricted to a few of the roots but in severe cases all roots may be infected. At the final [...] infection in this stage may kill the plants. In case of a less severe infection, the vines may wilt at a late stage of the crop, but when water supply is in [...] fruit rot. Solution Finder Find solutions for your crop Damage symptoms How to prevent Black root rot of cucurbits Test for the presence of Phomopsis scl