• Laeveld_Agrochem_GROEI_20_-_Winter_2022.pdf

  January 1, 1970

  need to be tested in a lure in the field to confirm the behavioural activity of the compound(s) in the presence of various other volatile compounds naturally [...] Independence. The structure of both these varieties is the highest priority in years one through four. The structure is the base for the rest of the tree’s (and [...] es? Carbohydrates are the product of photosynthesis, the process where the leaves of trees produce soluble sugar in the form of sucrose (sugars) and starch

• Experience Centre

  January 1, 1970

  average of 1,5 hours and is suitable for groups of up to 15 visitors. In the case of bigger groups, the programme can be adapted in consultation. The Experience [...] you know that the vision of bumblebees differs vastly to that of humans and that we use that difference to provide our clients with the most effective [...] Visit our Experience Centre and discover the world of sustainable cultivation If you are interested in sustainable cultivation, biological crop protection

• Fusarium spp.

  January 1, 1970

  inside the vascular system of the host plant and spreads upwards inside the plants. The other species are dispersed upwards on the outside of the plant [...] one side of the plant. Finally, the whole plant wilts. Other symptoms are brown discolouration of the xylem vessels, which can be seen when the stems are [...] ascospores. In general, the life cycle of different Fusarium species is similar. Fusarium overwinters for many years in the soil, and on crop residues of infected

• Fusarium wilt

  January 1, 1970

  inside the vessel system of the host plant and spreads upwards inside the plants. The other species are dispersed upwards on the outside of the plant. [...] one side of the plant. Finally, the whole plant wilts. Other symptoms are brown discolouration of the xylem vessels which can be seen when the stems are [...] takes place as infection of the roots at the root tip or in small wounds, for example where lateral roots branch off from the tap root. How to prevent

• Damping-off

  January 1, 1970

  during the night, but later the plants wilt irreversibly. In potted plants the flower buds fall off. The side roots rot and very little of the root system [...] survives. On the border between air and soil or substrate the plant turns brown. A typical symptom of a Pythium infection is the easy stripping of the skin from [...] at the start by using higher substrate blocks for the seedlings. In field crops: Avoid the use of fields with inadequate drainage or improve the drainage

• Cottony soft rot

  January 1, 1970

  infects the stem base and the roots, whereas the ascospores infect the above-ground plant parts. In greenhouses, usually only mycelium is produced by the germinating [...] range of host plants. Damage symptoms The first symptoms of a cottony soft root ( Sclerotinia sclerotiorum ) infection are water-soaked lesions at the stem [...] base. The plant above it wilts and rots. White, fluffy fungal mycelium grows on the lesions, giving this disease its name cottony soft rot. In the mycelium

• Biological Pest Control

  January 1, 1970

  enhancing the presence of natural enemies and beneficial organisms in the environment to maintain a balance between pests and their predators. Instead of introducing [...] , to keep pest populations in check. This approach not only reduces the environmental impact but also minimizes the risk of pesticide resistance, making [...] pest control methods do not harm the environment, ensuring the preservation of ecosystems. Sustainable Biocontrol reduces the need for continuous chemical

• Cherry

  January 1, 1970

  up north in the Trondheimsfjord region of Norway and in the Caucasus and northern Iran. Cherries even grow in a small and isolated cluster in the western [...] Himalaya. The sweet cherry is regarded as the most important ancestor of today’s cultivated cherry and it is one of two cherry varieties most of the current [...] from. The other variety is the sour cherry Prunus cerasus , which is primarily used for cooking. Every part of the cherry plant, except for the ripe cherries

• Beetles

  January 1, 1970

  Coleoptera is the largest of all insect orders and displays an enormous variety of form, size and habit. A number of species are a serious pest in crops or [...] ladybirds contribute to the control of aphids . Beetles undergo a complete metamorphosis, that is, the larvae do not resemble the adult at all, and must [...] pupal instar before reaching the adult stage. Larvae have biting mouthparts and mostly feed on the same food as the adults. The pupae do not make a cocoon

• Chrysanthemum

  January 1, 1970

  family of Asteraceae. The plant is originally from Asia and northeastern Europe and the majority of the different species derive from East Asia. Especially [...] About The chrysanthemum ( Chrysanthemum spp. ), also called mum or chrysanth, is a flowering plant that belongs to the genus Chrysanthemum of the family [...] in China a wide range of varieties and cultivars has been developed for commercial propagation and production. The current, commercially cultivated c