Syrphidend

hoverflies emerge from the pupae and deposit their eggs in the aphid colonies. The young larvae start feeding on the aphids . Visual effect Aphids are consumed [...] box. Hang the open box vertically on the plants, preferably close to flowers. Protect from direct sunlight or rain. Dosage The dosage of Syrphidend depends [...] should always be adjusted to the particular situation. Start introduction preventatively or as soon as the first aphids are detected in the crop. Introduction

Bacterial canker of tomato

that strong efforts are used to prevent the bacterium from entering. When the occasional infection is found, strict measures are taken to eradicate the infection [...] been proven to the authorities. Potato growers lose their entire crop of the affected field and potatoes from other fields on the farm, are labelled as [...] lavibacter infection, but other than that the disease is difficult to distinguish from wilting caused by other pathogens. On potato tubers, first discolouration

Large raspberry aphid

underside of leaves and start to reproduce parthenogenetically. They are very mobile and drop from the plant when they are disturbed. Winged aphids usually [...] presence in the crop. Wingless females of the large raspberry aphid are 2.6-4.1 mm long, pale to yellowish green with long antennae, legs and siphunculi. The [...] appear in June and July and migrate to new canes or host plants where they produce wingless aphids again. In October to December winged aphids appear again

Root and crown rot of strawberry

weakened by some form of stress, from underfertilization to water stress (either too much or too little water), or that are damaged by for example handling [...] stimulates disease development. How to prevent Root and crown rot of strawberry Avoid stress: Take runner tips at the right stage to avoid stress and make plants [...] clavispora. Pestalotiopsis clavispora has been connected to strawberry diseases, but has also been linked to rose diseases. Damage symptoms Pestalotiopsis clavispora

Towards a chemical-free future in agriculture: The vision of grower Koen

approach stemmed from both practical considerations and a conscious choice. Inheriting the farm from his parents, Koen had the opportunity to continue the [...] too quick to completely abandon traditional methods. He decided to find a balance between both approaches. This way of working allows him to gain experience [...] remains necessary to prevent crop failures and ensure food supply. While traditional and organic farming methods are getting closer due to a reduced chemical

Vine mealybug

(ovisac) containing from 300-500 eggs. The nymphs are very similar to the adult female, even if they are smaller. The prepupa and pupa stages are present only [...] develops through 7 stages: egg, first, second and third instar nymph, prepupa, pupa and adult. The eggs are golden-yellow in color and are deposited in an [...] on grapevines, but also on figs and pomegranates. Control Vine Mealybug How to get rid of vine mealybug Life cycle and appearance of Vine mealybug The

Horse-chestnut leaf miner

1970s, from where it spread to most of Europe. Since then, in all invaded regions, outbreaks have continued unabated, causing aesthetic damage to horse-chestnut [...] generations. Adults of the first generation emerge from mid-June to late-July. Cameraria ohridella has two to four generations a year, depending on the temperature [...] leaflets, especially from July on, when the second and third generations develop. Trees with a low number of attacked leaves are not greatly affected,

Blueberry aphid

mothers) emerging from the eggs produce wingless and winged parthenogenic females which then continue to produce females. The aphids are mainly found on [...] presence in the crop. Wingless females of the blueberry aphid are pale yellow-green. The siphunculi are long and straight. Blueberry aphids overwinter as eggs [...] on young shoots. Peak aphid densities are reached in June and July. Sexual adults are produced in September and October and the sexual females lay eggs on

Consumers

Every day, Koppert helps growers and farmers around the world to combat pests and diseases in a natural and sustainable way. In this way, we hope to make [...] make an active contribution to a sustainable society, with safe food in sufficient quantities to feed a rapidly growing population. Producing our natural [...] support. Koppert therefore sells its products exclusively to professional growers and farmers. In order to provide you with the best possible service as a consumer

Minusa

adult wasp will emerge from the pupa. Visual effect It is not possible to see on the outside if the leaf miner larvae or pupae are parasitised. Pack size [...] adjusted to the particular situation. Start introduction as soon as the first mines are visible in the crop. Introduction rates typically range from 0.25-0 [...] temperatures (>25°C/77°F) and/or higher infestation rates it might be better to use Miglyphus . Consult a Koppert advisor or a recognised distributor of Koppert