• Black rot of carrots

  and at a relative humidity (RH) of over 90% or when the leaves are wet. Small differences in optimum temperatures occur between species, but in general [...] st storage at 0-1 o C. A. brassicae and A. brassicicola : adjust the sowing date to avoid conditions conducive to infection. In greenhouses: avoid high [...] General The only known stage in all Alternaria species is the asexual stage. Conidia and mycelium overwinter in the soil and on crop residues and cause

• Lyprauta

  large numbers of new branches. This ultimately results in a reduced number of flower stems and a longer vegetative stage. The root damage can also form [...] sp. are a transparent greyish white and have a long slender body. The head is brown or reddish. The pupae are white to yellow and embedded in a dense web [...] Keroplatidae) have been associated with root damage in potted orchids, especially in greenhouses in the Netherlands. Dutch farmers call these larvae potworms

• Beneficial Nematodes against Horticultural Pests

  being researched). They are selectively applied to combat a significant variety of pests in a wide range of temperatures, such as the pupae and larvae of [...] or doubts, please consult your Koppert contact person. If a specific pest is not mentioned in this document, it doesn’t necessarily mean it cannot be controlled [...] nursery, potted plants, cut flowers Pest Adult Solution Fungus gnats / Sciarids Bradysia spp. Entonem Western flower thrips Frankliniella occidentalis

• Beetles

  displays an enormous variety of form, size and habit. A number of species are a serious pest in crops or stored products. There are many useful beetles [...] aphids . Beetles undergo a complete metamorphosis, that is, the larvae do not resemble the adult at all, and must pass through a pupal instar before reaching [...] The pupae do not make a cocoon and will already display many similarities with the adults. The adult beetles usually possess a pair of membranous wings

• Tobacco aphid

  also encountered in a range of crops in greenhouses, such as sweet pepper, aubergine, chrysanthemum, and various pot plants and cut flower crops. Damage symptoms [...] ) probably evolved from the peach potato aphid in the Far East and is a key pest of tobacco crops in both the United States and South America. The tobacco [...] of Tobacco aphid Aphids have a complex life cycle, with both winged and wingless forms of adults and a great variety in colour. When reproduction is asexual

• Flies

  and shore flies are mainly a problem in greenhouses. Their larvae live in the ground and prefer moist substrates that is rich in organic matter. Although [...] are mostly found in the soil. The spotted wing drosophila , Drosophila suzukii , has recently developed into a major pest on soft fruits in Europe and North [...] deposited on leaves or flowers in ornamental crops, lettuce, and herbs also causes cosmetic damage, and sometimes this can occur on such a scale that growth

• V10

  Treat one leaf per stem Select a fully expanded leaf which is positioned below the growing point Using a sponge with a scouring pad wipe and slightly wet [...] severely compromised due to its degradation by RNA silencing. In this way the plant is equipped with a high level of protection against subsequent attempted [...] Downloads SDS V10 PMRA Label V10 Preparation Shake the bottle well before use Use a disinfected bucket which is rinsed well with water before use Dilute 0.8 litre

• Aphids

  that have been described, and they can be found in a variety of habitats throughout the world. Aphids form a single, very large group of insects: the super- [...] productive crops. Biological control of aphids uses a combination of natural enemies that attack aphids in different ways: Parasitic wasps Predatory gall midges [...] discussed here all belong to the family Aphididae, a family containing many species that cause damage in cultivated crops. Aphids feed on the sap of plants

• Caterpillars

  to the fact that the caterpillars often live in rolled-up leaves. Although some species are restricted to a single crop, most are polyphagous. Caterpillar [...] can rapidly decimate a plant. Very small caterpillars are not able to chew and therefore graze the underside of leaves. This causes a window effect where [...] only the mid-rib left intact. Flowers, fruits and growing tips can also be eaten by larger caterpillars. Some species mine in leaves or bore holes into fruit

• Trial_and_Field_results_nematodes_in_fruit_orchards_EN_-_Koppert.pdf

  molesta) in peaches in Italy (Cerignola) - 2020 Independent trial Bud damage % April 8th 90 16 80 14 70 12 60 10 Bud damage % Flower damage % [...] Michel Loubejac is a fruit grower in Moissac in the Tarn-etGaronne, region of France. Here he grows organic apples on 5 hectares used for baby compotes [...] users and the formulation is 100% biodegradable. It’s a natural, living solution with a long shelf life in the fridge,’ Michel concludes. ‘Yes, I would recommend