to a thread. Reddish-brown lesions occur on the root just below the soil surface. A white collar of fungal mycelium occurs at the base of the stem. This
larvae remain hanging on the leaf and pupate there, sometimes on the upper surface but more commonly on the underside. The late third instar larva, that emerges
Damage symptoms Thrips cause damage to plants by piercing the cells of the surface tissues and sucking out their contents, causing the surrounding tissue to
to 0.25 mm) and yellowish white in colour. They are laid on the ground surface close to plant roots. The larvae can grow to 5 to 12 mm in length and 0
recommended to replace the Rollertrap after 10 months, or earlier if the surface is largely covered by insects and/or debris For additional recommendations
roepsallergie in de glas- en tuinbouw, Rotterdam, 2004, ISBN 90-90 185 25-9. Bælum, J., Enkegaard, A., Doekes, G., Skov, P. S., Kjærstad, M. B., & Sigsgaard
‘Plant Health, Agriculture & Bioscience’ at the World Forum in The Hague, from 9-11 September 2020. The three-day event will address a number of horticultural
are about 0.5 mm in size. Predatory mites are usually found on the lower surface of the leaves, often in the corner of the main vein and lateral veins. It
larva and adult mite during which the mite remains immobile on the leaf surface and does not feed.
size and hydrophilic properties promote uniform distribution across leaf surfaces Minimal residues: Smaller particle size enhances spray performance, leaving
