• Early blight

  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 [...] solani causes small green to dark brown spots to occur on leaves. Those spots then turn into dark brown angular lesions with a yellow halo restricted by [...] of leaves, Alternaria solani can spread to the flowers (especially dangerous in crops for seed production) and to the crown. Sporulation of Alternaria occurs

• 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

• Downy mildew of Cucurbits

  symptoms are found. How to prevent Downey mildew Choose resistant cultivars Use a wide crop rotation with non-host crops Prevent a humid microclimate. [...] nutrients from the living plant cells. The pathogens continue to grow inside the leaves and after a while new spore-bearing structures are protruding from the [...] General Pseudoperonospora cubensis is a plant pathogen causing downy mildew on cucurbit crops like cucumber, cantaloupe, pumpkin, watermelon and squash

• Aphidius ervi

  ervi products Ervipar Expand all items How to use Aphidius ervi The parasitic wasp Aphidius ervi is available in a bottle ( Ervipar ). Spread the material [...] mortality rates among aphids due to disturbance by parasitoids can be very high. A parasitised aphid will turn into a leathery, golden brown mummy. [...] control with the parasitic wasp Aphidius ervi Aphidius ervi is a parasitic wasp species that plays a significant role in biological control of aphids . The natural

• FAQ Nematodes

  matter to provide a rich soil life. How do entomopathogenic nematodes work? Nematodes are actively looking for a host or using an ambush strategy to reach [...] will first have to look for a host. The effect of treatment is thus strongly dependent on how quickly a nematode has found a host. Is the effect visible [...] their host. Once in contact with a host, they try to penetrate it through a body opening. In the host, the nematodes release a bacterium that can kill the host

• Orius insidiosus

  insects in order to establish a population and encourage mating Make sure the material remains undisturbed at the introduction site for a few hours after [...] Orius insidiosus Orius insidiosus is a generalist predator but has a preference for thrips . In addition, it feeds on a variety of small arthropods such as [...] Orius insidiosus is used for the control of the following pests: Thrips How to use Orius insidiosus The predatory bug Orius insidiosus is available in

• Grey mould

  fuckeliana / Botrytis cinerea) is considered a weak pathogen, only infecting weakened or damaged plants. How to prevent Grey mould Make sure the crop grows [...] Remove diseased plants or plant parts in a closed plastic bag In tomato: prune with a knife and not by hand, to avoid rugged, irregular wound surfaces In [...] area, new spores are formed within a few days. Under circumstances unfavourable for germination, the spores can survive a few days on the plant surface and

• Strawberry

  damage to the plants, leading to reduced yields and compromised fruit quality. In addition to pests, strawberry crops are also susceptible to several [...] suzukii) , pose a significant threat to strawberry crops. These tiny insects have a preference for ripe, soft fruits, making strawberries a prime target. [...] Bumblebee pollination not only plays a critical role in enhancing fruit set and yield in strawberry crops, but also contributes to integrated pest management (IPM)

• Bacterial wilt, brown rot

  solanacearum is a plant pathogenic bacterium. It is a soil-borne disease and colonises the xylem, causing bacterial wilt and brown rot in a very wide range [...] conditions are more favourable. This makes it more difficult to recognize infected fields. How to prevent Bacterial wilt, brown rot Use disease free propagation [...] the way to distinguish it from Verticillium or Fusarium wilts. Life cycle and appearance of Bacterial wilt, brown rot Ralstonia solanacearum is a quarantine

• Fusarium spp.

  best-known. The mycotoxins are toxic to mammals so maximum levels have been determined. Fusarium sambucinum (a.k.a. F. sulphureum ) causes dry rot of potato [...] Fusarium spp. is a group of soil-borne fungi with many different species. Fusarium is widespread and can infect a range of host crops. Many species are [...] pink sporulation becomes visible. Fusarium solani is a complex of many species, who collectively have a very broad host range. F. solani causes foot and/or