• Koppert UK Conference: 19th October 2023

  August 25, 2023

  portfolio to ensure you get the best from your relative industry. Register Your Interest Now To register your interest for the event, and to receive a [...] natural predators to crops, and how an array of Koppert biological controls, traps and biostimulants are applied by growers across the UK to enhance yields [...] conference will include speeches from Koppert Global board members and entomological experts, and host a range of clinics run by dedicated Koppert UK consultants

• Spidex

  Tetranychus evansi . Mode of action Predatory mites use their piercing mouthparts to extract the contents of their prey. Pack size 2,000; 10,000 predatory mites [...] Application Turn and shake the bottle gently before use Push the centre of the cap to open the dosage hole Sprinkle material on leaves or pour into Diboxes Make [...] depends on climate, crop and spider mite density and should always be adjusted to the particular situation. Start introduction as soon as the first pest mites

• American serpentine leaf miner

  hard to distinguish from feeding spots. The larvae of Liriomyza trifolii are entirely ochre-yellow. When the larva hatches from the egg, it begins to eat [...] miners cause damage to plants both directly and indirectly. The most direct damage is caused by the larvae mining the leaf tissue, leading to desiccation, premature [...] damage caused by leaf miners. In gerbera, the larva of the American serpentine leaf miner (Liriomyza trifolii) eats its way outwards from its egg, so that

• Whitefly

  plants, which can cause damage to the leaves and stunting of growth. They can also transmit plant viruses from one plant to another. Recognise whitefly [...] it's important to confirm their presence and take appropriate measures to control their population. Whitefly damage The damage caused by whiteflies can [...] referred to as a ‘pupa’. The different species of whitefly can be most easily distinguished from each other at the pupal stage. The adult emerges from the hardened

• Cotton aphid

  (up to 1.8 mm long) are usually dark green to black, while aphids produced in overcrowded colonies at a high temperature can be much smaller (from 0.9 [...] extract nutrients from the plant and disturb the balance of growth hormones. As a result, the plant’s growth is retarded giving rise to deformed leaves or [...] sugars, but has a low protein content. Aphids therefore need to extract large quantities of sap to get sufficient protein. The excess sugar is secreted in the

• Outdoor crops pollination advice

  advice to maximise pollination rates and overall crop productivity. From attracting pollinators to implementing pollination techniques, we aim to equip [...] crop immediately after delivery or within one day to allow the bumblebees to find food sources. Placement To maximise pollination results, evenly position [...] honeybees out of sight. This precaution is necessary to prevent honeybees from being attracted to the sugar water in the bumblebee hives, especially if

• Geranium aphid

  their peak in June. Winged aphids are formed from May onwards and are responsible for spreading the infestation to other strawberry plants. Acyrthosiphon malvae [...] In greenhouses, reproduction takes place by parthenogenesis, with unfertilized viviparous females continuing to produce new generations of females. Aphids [...] malvae rogersii is holocyclic (i.e. they mate in autumn and produce eggs to overwinter) and monoecious (i.e. they do not change their host plant for

• Strawberry aphid

  appear in May and June; these aphids disperse to other plants and fields. Winged aphids appear again from October to December. [...] serious pests affecting strawberry plants. Direct damage is caused by the aphids sucking sap from the plant, which reduces the yield and quality of fruit. The [...] the most important aphid pest of strawberries. It can cause direct damage by feeding and transmits viruses. Damage symptoms Chaetosiphon fragaefolii is

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• Blackcurrant aphid

  In greenhouses, reproduction takes place by parthenogenesis, with unfertilized viviparous females continuing to produce new generations of females. Aphids [...] June, it migrates to hemp nettle and other Lamiaceae where it curls and rolls the young leaves. Some populations do not migrate from currants.