• Long-tailed mealybug

  citrus). The species often inhabits concealed places such as auxiliary buds and prefers a warm, humid environment. Damage symptoms Mealybugs inflict damage [...] instars which are at first kept beneath the body in a network of fine waxy threads. Over two or three weeks, a female produces 100-200 nymphs. In the summer [...] yellowing of leaves, sometimes followed by defoliation. The overall effect is a reduction of photosynthesis and therefore the yield. Flowers and fruit often

• Potato

  Europe from Latin America in the second half of the 16th century. Potatoes as a food crop were introduced by the Spanish. Now this starchy, tuberous crop

• Mycotal

  shrivel, or in humid conditions, develop a fluffy mycelium outside the insect. Pack size 500 gram bag with a cardboard outer casing. Formulation Water [...] combine with an adjuvant such as Addit or Squad Mix with 3-4 litres of water (15-20°C) per 500 gram of Mycotal and stir into a slurry Fill the spray tank [...] water Always check the product label for more information Consult a Koppert advisor or a recognized distributor of Koppert products for advice on the best

• FAQ Nematodes

  in the soil for a few weeks and look for a host. 3. Regulatory Do I need a spray license to apply nematodes? Nematodes are considered as natural enemies [...] need to be packed in a carrier material. This biodegradable carrier material allows a good solubility and a long shelf life for a living product. Is the [...] recommended to remove them from the cool box as soon as possible and store them preferably unstacked, in a fridge or a ventilated cold room, between 2 to 6°C

• Sciarid flies

  They are legless and have a conspicuous black head. The head is equipped with biting-chewing mouth parts. Pupation takes place in a small hole in the ground [...] living plant material. The adults prefer humid habitats and are attracted to a broad range of pathogenic and non-pathogenic micro-organisms for oviposition [...] damage is caused by the larvae and adults transferring fungal diseases, such as Fusarium, Botrytis and Verticillium, from diseased to healthy plants. Direct

• Beet armyworm

  plants of more than 20 families. It is a serious pest in greenhouses, where it feeds on ornamental plants such as chrysanthemum, gerbera, roses and potted [...] exigua) is a small, nondescript moth, that hides during the day and is active only at night. The forewings are grey-brown suffused with a dark brown or [...] and the abdomen grey-brown. The forewings have a yellowish, kidney-shaped mark. The white hindwings have a clearly outlined brown venation. The beet armyworm

• Onion thrips

  are inserted into the plant tissue with a saw-like ovipositor. Larvae are light to yellowish green in colour, with a large head and bright red eyes. The colour [...] infested. In some countries, the onion thrips (Thrips tabaci) has been identified as an important vector of tomato spotted wilt virus. Life cycle and appearance

• Crop Monitoring and Scouting

  scouting are crucial practices that can determine the success or failure of a harvest. These essential techniques provide growers with insights into the [...] systematic observation of crops throughout their growth cycle. This involves a close inspection of plants for signs of stress, pests, diseases. This practice [...] early issue identification and prompt action. By employing insect traps, such as sticky traps and pheromones, growers can promptly detect the presence of pests

• Capyphor

  an airblast sprayer, through a sprinkler system, with a backpack sprayer, or a vehicle-mounted spray unit To avoid blockage, all filters should be removed [...] temperature and humidity, as described above Side Effects & Compatibility Pesticides can have (in)direct effects on biological solutions As a general rule for tank [...] the host tissue into a food source, on which nematodes feed, develop, and reproduce inside the host. This kills the pest within a few hours to days after

• Northern Corn Rootworm

  yield due to increased difficulty harvesting. Stalks take on a bowed appearance (goose-necked) as the plants try to straighten themselves. Life cycle and [...] General Corn rootworms ( Diabrotica sp.) are a devastating pest of cultivated corn in North America, with losses and management expenditures totaling over [...] most common species found on corn. While adult Diabrotica barberi can feed on a variety of plants, their larvae survive exclusively on the roots of corn. This