• Whitefly

  their eggs. If the plant is shaken, the adults fly up, and then return to the undersides of leaves. How to prevent whitefly To prevent whitefly infestations [...] causes leaf yellowing and leads to honeydew deposits that reduce crop quality. Effective whitefly control is essential to maintain healthy, productive crops [...] whiteflies are usually white or pale yellow in color. This is due to the wax produced by the adults, which is covering their body and wings. Some species have dark

• Crazy roots, hairy roots, crown gall

  yet been defined. The assumption is that the bacteria survive in the soil, but it is possible that first infection is from the propagation material. Infection [...] tissue and causes a genetic change in the plant. How to prevent Crazy roots, hairy roots, crown gall Use clean propagation material Use a strict hygiene protocol [...] disease seems to be caused by a change in the hormonal system of the plant resulting from the Rhizobium infection. Rhizobium rhizogenes puts a Ri-plasmid

• Leaf stripe

  graminea is monocyclic, which means there is only one disease cycle during the cropping season. The fungus is seed-borne and this systemic infection is the [...] may merge. Eventually this leads to the death of the leaf. The leaf splits at the end which makes it look shredded. This is typical for this disease. Infected [...] soil temperatures above 15 °C. How to prevent Leaf stripe Produce seed in semi-arid environments without irrigation, to decrease the chances of infection

• Mealybugs and scales

  leads to sooty mould. Infestations reduce plant vigor, fruit quality and overall yield. Effective control of mealybugs and scales is essential to maintain [...] ornamental crops, the mere presence of mealybugs is sufficient to render the product unfit for sale. A very small population can thus cause considerable [...] defoliation. However, it is mainly the great quantity of honey-dew that causes the damage because of the sooty mould that grows on it. Ants are also attracted

• Natutec Airobreez

  reservoir is closed no material will be lost. The Double Duct provides an airflow that guarantees a uniform distribution of material up to a distance of [...] charge the battery before use: the battery is fully charged when the light is green Place the battery to connect to the device Clip on the shoulder belt of [...] shoulder belt over your shoulder Select the right blowing speed and start walking in a constant pace Hold blower at a 90-degree angle to ensure optimal crop

• Municipality Enschede: Entonem nematodes against oak processionary caterpillar

  time in the spring of 2021 to try to halt the spread of the oak processionary caterpillar . The municipality’s built-up area has a total of 22,000 oak trees [...] treated a total of 2600 to 3000 oak trees with nematodes.’ Maintenance of biodiversity The municipality also used pheromone traps last summer, to help it [...] only extracted the nests. But as Petra Klein Breukink explains, it was not enough. She is the project manager of the oak processionary caterpillar for the

• Thripex-Plus

  the pest is not controlled. Consult a Koppert advisor or a recognised distributor of Koppert products for advice on the best strategy for your situation [...] Environmental conditions Neoseiulus cucumeris is most effective at temperatures between 15 and 25°C (59 and 77°F). It is not effective at temperatures above 30°C/86°F [...] sachet and disperse into the crop over a period of several weeks. Predatory mites use their piercing mouthparts to extract the contents of their prey. Pack

• Isonet T for Tuta absoluta

  May 8, 2019

  (MAPP 17929) is a controlled release dispenser for the mating disruption of the tomato leaf mining moth, Tuta absoluta Isonet T (MAPP 17929) is a controlled [...] the polymer tubes Isonet T is composed of two parallel polymer tubes, one of which contains an aluminium wire to enable its positioning in the greenhouse [...] moth, Tuta absoluta , the caterpillars of which can cause serious damage to a tomato crop. The product has been used successfully by UK tomato growers

• Capsanem

  applied using a watering can, an airblast sprayer, through a sprinkler system, with a backpack sprayer, or a vehicle-mounted spray unit To avoid blockage [...] difficult to find. Infected foliar pests simply fall to the ground. Infected pest insects in the root zone turn yellow to brown, but may be difficult to find [...] systems, please contact your local representative for specific advice Spray the solution as soon as it is prepared and within a short timeframe. Do not

• Anso-Mite Plus

  the pest is not controlled. Consult a Koppert advisor or a recognized distributor of Koppert products for advice on the best strategy for your situation [...] andersoni is effective at temperatures above 14°C/57°F. Optimum temperatures are between 20 and 28°C (68 and 82°F). A. andersoni is sensitive to relative [...] leaves, often in the corner of the main vein and lateral veins. It is not possible to distinguish Amblyseius andersoni in the field from Amblyseius swirskii