Thrips Identification Guide

Knowing and recognising thrips in your crops Adult Larva Damage Antenna Head Pronotum1 Western flower thrips Frankliniella occidentalis Onion thrips [...] develop within a single gall. Adults exit galls and migrate to new terminal leaves to begin a new generation. The life cycle takes about 30 days. Thrips move [...] Agriculture and Horticulture Development Board in the UK. Knowing and recognising thrips in your crops Adult Larva Damage Antenna Head Pronotum1 European

Damping-off

absence of plants. Many species are entirely saprophytic, so these do not harm plants. How to prevent Damping-off Use resistant cultivars or graft on tolerant [...] General Pythium is considered a ‘weak pathogen’, meaning that it can usually only affect plants that are in a sub-optimal condition or suffer from stress [...] irrigation water. Pythium aphanidermatum mostly occurs in young plants and damage is more extensive in young crops. Damage symptoms Pythium affects roots, in

Aphids

s. Potato virus Y (PVY) is transmitted by aphids in tomato in this way, as is the cucumber mosaic virus (CMV) in cucumber. How to prevent aphids To prevent [...] growth hormones. As a result, the plant’s growth is retarded, giving rise to deformed leaves, or even, if the infestation occurs early enough in the season [...] causing plant stress, virus transmission and yield loss. Effective aphid control is essential for maintaining healthy, productive crops. Biological control of

Rhyzobug FAQ

they are not flying, is this normal? Adult Rhyzobius lophanthae do not fly immediately like other ladybirds, therefore it is normal if they just walk around [...] the pest level? As soon as the pest is detected. How do I apply the Rhyzobius lophanthae into the field? Open the cap of the tube and tap the ladybird [...] Who can apply the product into the crop and is it safe to use? Everyone is able to apply Rhyzobug. It is safe for the user and no permits are required

Green peach aphid

peach tree, is native, however it is now a pest with a world-wide distribution. The green peach aphid ( Myzus persicae subsp. persicae ) is a particularly [...] persicae subsp. persicae ) is the most important vector of viral diseases. It can transmit at least 100 different viruses and is thus rightfully feared by [...] of growth hormones. As a result, the plant’s growth is retarded giving rise to deformed leaves or, if the infestation occurs early enough in the season,

Encarsia formosa

wasp is approximately 0.6 mm long, with a head that is dark brown to black in colour, a dark brown to black thorax, and a yellow abdomen. The male is entirely [...] parasitic wasp Encarsia formosa is available at Koppert as En-Strip . Encarsia formosa products En-Strip Expand all items How to use Encarsia formosa The parasitic [...] advice on the best strategy for your situation. Best conditions for Encarsia formosa The parasitic wasp Encarsia formosa is most effective at temperatures

Laeveld_Agrochem_GROEI_20_-_Winter_2022.pdf

capsule is brown. The pupa is dark brown and (if pupation takes place in the soil) encased in a cocoon of soil particles. There is no cocoon if pupation [...] these in the spring. If the new growth is not excessive and branches are not growing in a way that is unsupportive of fruit, then this cut can be pushed out [...] per dag is dit 365 ure per jaar, of 15 volle dae!!! (Twee ure per dag is dus 30 volle dae per jaar!) Ek is nie ’n dokter nie maar common sense is gelukkig

Amblydromalus limonicus

Amblydromalus limonicus have to feed. If they do not have access to food, they develop very slowly and the mortality is high. The nymphs are larger than the [...] Amblydromalus limonicus is most effective at temperatures between 13 and 25 °C (55 and 77 °F). It is not effective above 30 °C (86 °F) and is sensitive to relative [...] us limonicus is not recommended as it is hindered by the glandular hairs on the stems and leaves and does not build up a population. How to use Amblydromalus

Tobacco thrips

thrips Thrips parvispinus , also known as tobacco thrips, is an insect native to tropical Asia and is widely distributed from East Asia, Northern Australia [...] thrips, is a notorious pest that causes extensive damage to a wide range of plants. Recognizing the symptoms of a Thrips parvispinus infestation is crucial [...] longer, more developed wing buds. The prepupal and pupal instars do not feed and only move if disturbed. In the adult stage, both pairs of wings are fully

General Conditions Koppert

confirmation is signed by a person who is authorized to enter into the agreement; b. by the reaching of a written consensus on an order form which is used [...] article 6.1, the Buyer is in breach without any further notice of default. 6.7 s soon as the Buyer is in breach, the Buyer is obliged to pay to Koppert [...] Koppert’s liability is fully excluded if Natural Enemies, Pollinators and/or Products of third parties are applied to the crop. This is because all Koppert’s