Powdery mildew

the fungi to enter the leaves To reduce chances of powdery mildew in greenhouses, it is advised to first ventilate by only opening the windows on the lee [...] stomata on the underside of the leaf. On the upper side, yellow spots are noticeable. In case of a severe epidemic, the fluffy colonies also appear on the [...] extremely sensitive to water and ‘hides’ on the underside of the leaves. Therefore, this is where the colonies mostly occur in these crops. In covered roses

Aphidius colemani

all items How to use Aphidius colemani The parasitic wasp is available in a bottle ( Aphipar ). Spread the material on rock wool slabs or in Diboxes Make [...] causing aphids to drop from the leaf and fall to the ground. Although many aphids die as a result, many will survive and migrate to other plants to begin new [...] cuticle, causing it to swell. The cuticle turns from a hard, leathery brown to a golden yellow casing, known as a mummy. Parasitized aphids turn into golden brown

Plant Disease Management

provides a solid foundation for plants to thrive. Healthy plants, in turn, are more resilient and better equipped to resist diseases. Sanitation Finally, [...] method used to manage and reduce the impact of plant diseases by utilizing beneficial organisms. This method relies on the use of living organisms to suppress [...] tal risks. Plant diseases pose a significant threat to global food production. They can result in yield losses, increased production costs, and environmental

Crop Monitoring and Scouting

healthy and continue to thrive. Digital scouting apps In the digital age, scouting is aided by mobile apps that can catalog and analyse data in real time. These [...] process and make it more efficient. Using a crop scouting tool in horticulture can lead to more effective, sustainable, and profitable crop production by [...] pest detection alerts let you stay ahead of potential crop damage. Together with remote support from technical advisors you'll be on top of your Integrated

Citrus leaf miner

Citrus leaf miner found in all regions where Citrus sp. is grown. Life cycle and appearance The moth lays the eggs singly up to 50 on lower surface of the [...] emerge after 5 to 7 days. The adults are around 2mm long, silvery white in colour with wings fringed with long hairs. They are active both in day and night [...] life cycle takes 3 to 7 weeks to complete. Damage symptoms The minute larvae enter the leaf tissues of tender leaves and feeding on them produces snake-like

Experience Centre

what they do best. Did you know that the vision of bumblebees differs vastly to that of humans and that we use that difference to provide our clients with [...] headquarters on Veilingweg 14 in Berkel en Rodenrijs, the Netherlands. Practical info Our Experience Centre is aimed at target groups linked to agriculture [...] (Mon - Fri) from 9:00 AM to 5:00 PM. A tour takes an average of 1,5 hours and is suitable for groups of up to 15 visitors. In the case of bigger groups

Crop Protection

benefits. Lower risk to human health Biological crop protection poses minimum to no risks to growers and consumers. It reduces exposure to toxic chemicals, [...] often referred to as biocontrol, is a natural and sustainable approach to managing pests and diseases in agriculture. Instead of relying on synthetic chemicals [...] deter pests and pathogens, their use can pose risks to human health and food safety. While they can be effective in the short term, they often come with

Bacterial spot

by a halo. In pepper, the spots on the leaves are also round and small to start with and slightly raised from the leaf surface. They occur on the abaxial [...] leaf spot on peppers and tomatoes. Life cycle and appearance of Bacterial spot Xanthomonas vesicatoria survives on volunteer tomato plants in the field [...] isolates are resistant to copper-containing pesticides. Damage symptoms Xanthomonas vesicatoria in tomato causes small, water-soaked spots on leaves which are

Western flower thrips

orange to almost black. Western flower thrips (Frankliniella occidentalis) usually pupate in the ground, although pupae can also be found on leaves, in flowers [...] rise to deformities such as the “pig-tail” fruit sometimes found in cucumber crops. In many ornamental crops, even very low numbers of thrips can cause [...] most damaging thrips species in many greenhouse crops. The western flower thrips (Frankliniella occidentalis) can be found on a wide variety of plants, including

Pollination checklist outdoor

position the hive on a crate or on a stack of stones. Flowering weeds may be visited by bumblebees in addition to the target crop. You should therefore [...] Koppert's bumblebees ensure natural pollination in both indoor and outdoor crops. Good pollination in outdoor crops can be achieved by following the recommendations [...] pollinating. Position the hive in the crop immediately after delivery, or a maximum of one day later, to allow the bumblebees to gather food. Position the hives