• Diglyphus isaea

  into the mine to pupate. There are three larval instars: the first is colourless and transparent, the second is yellow and semi transparent with a brown [...] miner control with the parasitic wasp Diglyphus isaea Diglyphus isaea is a small parasitic wasp belonging to the family Eulophidae within the order Hymenoptera [...] mm, and is transparent white in colour. It lies alongside the paralyzed leaf miner larva and is often difficult to spot. Larval stage: When the parasitic

• Apple scab

  have already fallen off the trees. In response to the infection, the plants produce cork as a defence against further growth of the fungus. In cultivars that [...] free water is available. They infect the plant by direct penetration of the cuticula and then grow between the cuticula and the epidermis of the plant cells [...] Depending on the temperature, these ascospores mature and are subsequently released when they become wet. The ascospores are wind-dispersed to the fruit trees

• Neoseiulus californicus

  Push the centre of the cap to open the dosage hole Carefully sprinkle material on leaves Make sure the material remains on the leaves for at least a few [...] persimilis in the complete absence of food, remaining in the crop to await the arrival of new prey. Life cycle of Neoseiulus californicus The developmental [...] colour of the food ingested shines through the skin and shows up as an X-shaped marking on the back. If the food supply has been absent for some time, they become

• Treatment of bumblebee stings and allergies

  have a stinger, as is the case with honeybees and wasps. Drones cannot sting. The stinger is a weapon for defence. When a bee stings, some venom is injected [...] reaction against the injected venom develops. The response to a bumblebee sting can differ per incident. The stinger of a bumblebee or a wasp has no barbs [...] means that the worker or queen can withdraw her stinger, and is able to sting again. A honeybee’s stinger does have barbs. When a honeybee tries to withdraw

• Don Sanchez Fresh innovates with biological control in avocados

  production when it successfully controlled the white mite, a pest that had been a major problem for several berry growers in the region. That was when they learned [...] crops such as raspberries, led them to make the decision to implement this tool in the production of Hass avocado. The result has been an effective and safe [...] cause a reduction in the yield of avocado trees and economic losses due to fruit damage. For this reason, integrated pest and disease management is essential

• Chrysopa-E

  intervals until control is achieved. Consult a Koppert advisor or a recognized distributor of Koppert products for advice on the best strategy for your situation [...] action Larvae of the lacewing attack their prey and suck their body fluids. Visual effect Prey is sucked out, shrivelled skins are difficult to find. Chrysoperla [...] Chrysoperla carnea larvae are active mainly during the night. The larvae hide during the day. Pack size 100,000 eggs. Presentation 90 ml cardboard tube. Carrier

• Cookie Statement

  website. A cookie is a small text file that is stored on your computer by your browser when you visit the website. The main function of cookies is to distinguish [...] ns to the Cookie Statement We may update our Cookie Statement from time to time, as the rules on cookies may change or new features may be added to our [...] distinguish one user from the other. Your browser sends us the information stored the next time you visit our site. The use of cookies is secure. They do not

• Aphidius ervi

  infestation is expected. Consult a Koppert advisor or a recognized distributor of Koppert products for advice on the best strategy for your situation. Best conditions [...] pursue the aphid to parasitize. Because of this, the disturbance of aphid colonies can have a serious impact. The aphids can be spread through the crop, [...] with the parasitic wasp Aphidius ervi Aphidius ervi is a parasitic wasp species that plays a significant role in biological control of aphids . The natural

• Horiver Drystick

  Lygus spp. Mode of action Insect pests are attracted to the colour of the sticky trap and get caught in the glue. Presentation Polysterene cards coated with [...] Attach traps to wires or sticks at max. 30 cm above the crop and adjust height when plants are growing Do not place traps in-between the plants as parasitic [...] wasps will then also be trapped Remove the silicone cover paper from both sides of the trap Replace the traps when largely covered by insects and/or debris

• Powdery mildew

  Rosaceae , the fungus causing powdery mildew is extremely sensitive to water and ‘hides’ on the underside of the leaves. Therefore, this is where the colonies [...] 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 [...] infected. In pepper, the fluffy colonies occur mostly on the underside of the leaf, because the fungus infects the plant by entering through the stomata and there