• New Leaf Plants back Koppert biocontrol

  June 9, 2021

  developing new propagation facilities. The primary aim is clear: to become one of the leading producers of climbing plants in the home and European markets. “We [...] products at the right time, and recognise when to make changes, to stay one step ahead of potential pest problems,” she added. David continued “Due to the success [...] um and Wisteria . “It is imperative that we manage pests and diseases in a preventative and pro-active way, in order to meet the high plant standards our

• American serpentine leaf miner

  roughly one hour the larva crawls out of the leaf and falls to the ground. This occurs in the early morning. The larva crawls into the ground to pupate. A small [...] ochre-yellow. When the larva hatches from the egg, it begins to eat into the leaf at once, tunnelling down into the mesophyll tissue where damage is caused by extensive [...] it is mainly found on gerbera and chrysanthemum. Today the insect is widespread across the whole world. Damage symptoms Leaf miners cause damage to plants

• Aphidend

  n Open the bottle in the greenhouse Place the bottle directly on the soil or rockwool slabs or hang it in-between the plants Do not scatter the contents [...] gall midges emerge from the pupae and deposit their eggs in the aphid colonies. After emerging from the eggs the larvae consume the aphids . Visual effect [...] at night, it is crucial to keep the night temperature above 12°C/61°F, to ensure optimal conditions for oviposition. Apply Aphidend in an environment with

• Modified formulation for Macro-Mite

  December 18, 2018

  natural way in the new carrier material. Upon delivery of the product, it remains important to apply the product as soon as possible due to the cannibalistic [...] boosts the vitality of the predatory mite. As product manager Tim Bossinga explains, 'the improved vitality is a result of the fact that the predatory [...] Macro-Mite , which boosts the vitality of the Macrocheles robustulus predatory mite. Macro-Mite is an effective natural enemy for the control of soil-dwelling

• Amblyseius swirskii

  exposed to direct sunlight Sachets already have an exit hole Hold sachets by the cardboard strip at the top, to avoid damaging the predatory mites The dosage [...] according to the prey eaten, and varies from almost lucent whitish to opaque white or yellow. Due to their size and colour they are difficult to spot in [...] the cap to open the dosage hole Sprinkle material on leaves or pour into Diboxes Make sure the material remains on the introduction site for at least a

• Foot rot of cereals

  penetrate the host's tissues. Inside the plant, the fungus colonizes the root and lower stem, leading to the characteristic symptoms of foot rot. As the disease [...] infection of the grain without obvious bleaching of the ears. The presence of orange/pink spores may also be visible on infected spikelets. As the crop ripens [...] signs serve as key diagnostic features for identifying the presence of the pathogen in affected cereal crops. How to prevent foot rot of cereals Avoid following

• Potato aphid

  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, if the infestation [...] therefore need to extract large quantities of sap to get sufficient protein. The excess sugar is secreted in the form of honeydew, making the crop and its [...] General The potato aphid ( Macrosiphum euphorbiae ) is of North American origin, but is these days distributed throughout the world. It is a highly polyphagous

• Bacterial soft rot, bacterial stem rot

  rot is first noticed when plants wilt at the time of first harvest or after that. The pith disintegrates and the stem becomes hollow. Because of the bacterial [...] bacterial growth in the pith, the stem seems wet and slimy. Above or below the hollow stem the vascular tissue keeps its normal colour. On the fruits, lesions [...] senescent leaves and from there grow through the petiole to the main stem through the xylem vessels. High humidity is required for disease development. Erwinia

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• Diglyphus isaea

  host and crawl back into the mine to pupate. There are three larval instars: the first is colourless and transparent, the second is yellow and semi transparent [...] body, and the third larval instar is blue-green. The full-grown larva usually pupates in the mine some distance from the dead host. Pupal stage: The pupa lies [...] stage: The appearance of the adult is already clearly visible. Pupae are often visible through the leaf. The parasitic wasp escapes from the mine by making