Powdery mildew

hardens the cell walls and makes it harder for the fungi to enter the leaves To reduce chances of powdery mildew in greenhouses, it is advised to first ventilate [...] to powdery mildew infection by dropping leaves that are not infected yet. It depends on the cultivar how soon after infection this happens. In apple, pear

Tobacco whitefly

throughout the world. It causes damage in (sub-)tropical areas especially. The tobacco whitefly ( Bemisia tabaci ) is feared because of its high level of resistance [...] deposited on fruit makes it sticky. Dirt adheres to the fruit, and the growth of sooty moulds ( Cladosporium spp .) is encouraged, making it unsuitable for sale [...] was first identified on tobacco in Greece in 1889, hence the name tabaci . It has subsequently been found in most tropical and subtropical countries of

Charcoal rot

phaseolina is a common soil fungus in warmer regions, causing charcoal rot. It has a very wide range of host crops, many of which are economically important [...] temperatures above 32 °C and dry conditions. In field crops in temperate regions it is therefore not a problem. Damage symptoms In strawberry, this pathogen causes

Angular leaf spot

humidity or presence of water. These conditions occur mostly in the spring if it rains or when sprinkler irrigation is used. Healthy, well growing plants are [...] forms on the underside of the leaf. This exudate changes to a white film when it dries. Lesions may merge as they grow and later also become visible on the

Tutasan

Preparation Place the pheromone dispenser in the green canister and attach it to the upper central part of the trap Fill the trap with water to the level

Red palm weevil

pre-pupal stage, its body contracts and it does not crawl any more. The future adult organs are well visible on the pupa. Damage symptoms It is very difficult [...] proportion of fibres. Their feeding causes deterioration of this tissue, making it easier for adult weevils to lay eggs deeper into the tissue. Additionally

Chilli thrips

Known for its ability to damage a wide variety of crops, including ornamentals, vegetables, and fruits, this species poses challenges due to its rapid r [...] Optimal conditions: Functions effectively in temperatures above 20°C, making it suitable for various crops. Feeding behavior: Targets all thrips life stages

Grower Koen - Embracing biological crop protection in agriculture

business. While the trend towards organic farming was growing, Koen felt that it would be too quick to completely abandon traditional methods. He decided to [...] l bodies, in organic farming marks the path to the future. "You grow into it a bit," notes Koen. With the growing availability of knowledge and the number [...] advocates for a cautious approach, carefully examining effectiveness when it comes to applying crop protection . He emphasizes that the correct application

Consumers

Koppert card/sachet from in it. What do I do with it? I bought a plant with a Koppert card/sachet from in it. What do I do with it? The card/sachet in the [...] otherwise have to be pollinated by hand. It also became clear that natural pollination by bumblebees yielded better results. It improved fertilization, enhanced [...] bumblebee can travel up to ten kilometres away from its hive and collect and transport sixty per cent of its own bodyweight in pollen. And bumblebees don't

Eggplant

widely produced for its tasty fruit. In North America and Australia the fruit is called eggplant and in South Africa and Southeast Asia it is known as brinjal