• Cottony soft rot

  containing ascospores. The mycelium infects the stem base and the roots, whereas the ascospores infect the above-ground plant parts. In greenhouses, usually [...] mycelium in dead and living plant material in or on the ground. Sclerotia germinate at temperatures between 4 and 26 °C with an optimum between 13 and 15 °C [...] mycelium is produced by the germinating sclerotia. The fungus grows quite rapidly inside the plant and kills the host cells. On the infected plant tissue

• Geranium aphid

  petioles. In outdoor strawberries they reach their peak in June. Winged aphids are formed from May onwards and are responsible for spreading the infestation [...] betraying their presence in the crop. Acyrthosiphon malvae rogersii is holocyclic (i.e. they mate in autumn and produce eggs to overwinter) and monoecious (i.e [...] distributed in northern and western Europe. Damage symptoms Wingless aphids may form large colonies on young strawberry foliage, particularly along the petioles

• Strawberry aphid

  caused by the aphids sucking sap from the plant, which reduces the yield and quality of fruit. The leaves do not become distorted but leaves and fruits quickly [...] quickly become sticky due to the honeydew the aphids excrete. Black sooty mould fungi grow on the honeydew. The strawberry aphid is an important vector [...] of only 0.9-1.1 mm. The aphids mainly feed on the underside of young leaves. On outdoor strawberries, winged aphids appear in May and June; these aphids

• Horse-chestnut leaf miner

  5 mm in the fourth instar. The pupa is brown and is 2.9-4.5 mm long. The horse-chestnut leaf miner overwinters in the pupal stage in a cocoon in dead leaves [...] time, the damage is very visible. Eventually the mines may cover the entire surface of the leaflets, especially from July on, when the second and third [...] a true cocoon in the mine. The percentage of larvae which spin true cocoons increases in each of the subsequent generations. Adults of the first generation

• Mycotal Brochure

  or by improving the distribution and stickiness of the spores to the leaf surface Mycotal is active between 5°C and 30°C and the optimum temperature [...] after the insect is killed. Favorable conditions for the growth and development of Akanthomyces muscarius are temperatures between 15 and 28°C and a relative [...] (Trialeurodes vaporium) and tobacco white flies (Bemisia tabaci), and thrips, and is applied as a foliar spray. After spraying the product, the blastospores germinate

• Hemispherical scale

  form and smooth surface distinguish the species from most other soft scales. The size depends on the host plant and can vary from 2 to 4.5 mm. The young [...] General The hemispherical or helmet scale, Saissetia coffeae , occurs widely in tropical regions and in greenhouses throughout the world. It is a severe [...] young nymphs are white to yellowish, more oval in form and with a raised H-pattern on the dorsal surface. All instars live on the underside of leaves, often

• Greenhouse whitefly

  influence the development of fruit and lead to a reduction in yield. The honeydew deposited on fruit makes it sticky. Dirt adheres to the fruit, and the growth [...] leaves and have an oval shape. The first instar larvae (crawlers) are mobile, whereas the rest of the larvae stadia remain flattened on the leaf. The fourth [...] This is called the pupa stadium and these pupae are found on the oldest leaves. The adult emerges from the pupa via a T-shaped fissure. The adult whiteflies

• Bruchid Beetle Trap

  lure which attracts the male and female weevils into the trap. Once in the trap, they cannot escape and are easy to detect, count and identify. Presentation [...] Preparation Place the funnel on to the green bucket Place the pheromone dispenser in the transparent top Fix the transparent top to the funnel with a twist [...] action lining up the slots Application Place trap on a 1 metre stick Place one trap on the north edge and one trap on the south edge of the field Dosage Two

• Anagyrus vladimiri

  Hang the bottle in the crop, out of direct sunlight Deploy in or near the mealybug colonies Leave bottles in the crop for at least two weeks Carry out [...] Anagyrus vladimiri The parasitic wasp Anagyrus vladimir is available in a bottle ( Citripar ). Remove the label from the bottle according to the instructions [...] control of the mealybugs . Behaviour of the parasitic wasp Anagyrus vladimiri The female Anagyrus vladimiri lays its eggs inside the body of the mealybug

• Horiver Disc

  n Remove the silicone cover paper from one side of the trap Place trap around the stem of the plant with the sticky side down, just above the substrate [...] root aphids and fungus gnats. Pests Root aphids , fungus gnats . Mode of action Insect pests are attracted to the colour of the sticky trap and get caught [...] substrate Remove the silicone cover paper from the top side of the trap Replace the traps when largely covered by insects and/or debris Dosage One Horiver Disc