• Fusarium spp.

  best-known. The mycotoxins are toxic to mammals so maximum levels have been determined. Fusarium sambucinum (a.k.a. F. sulphureum ) causes dry rot of potato [...] (microconidia), which are transported upwards. At the same time, the plant produces gum as a defence mechanism to stop the fungus from spreading. This gum blocks [...] Fusarium spp. is a group of soil-borne fungi with many different species. Fusarium is widespread and can infect a range of host crops. Many species are

• Black rot of carrots

  carrot). Post-harvest storage at 0-1 o C. A. brassicae and A. brassicicola : adjust the sowing date to avoid conditions conducive to infection. In greenhouses: [...] the carrots at harvest but usually occur only during post-harvest storage. Sporulation of Alternaria occurs at temperatures from 2-4 °C up to 28-30 °C (optimum [...] radicina ) up to 8 years. Damage symptoms Black rot of carrots ( Alternaria radicina ) causes death of seedlings and dark brown lesions with a yellow halo

• Aphidius matricariae

  Aphidius matricariae is available at Koppert as Aphipar-M . Aphidius matricariae products Aphipar-M Expand all items How to use Aphidius matricariae The parasitic [...] introduction site for at least a few days The dosage of Aphipar -M depends on climate, crop and aphid density and should always be adjusted to the particular [...] 25-4 per m 2 /release. Releases should be repeated at least 3 times. Consult a Koppert advisor or a recognized distributor of Koppert products for advice

• Buckthorn-potato aphid

  nasturtii , has a nearly cosmopolitan distribution and is a major pest of potatoes, where it also transmits viruses. It also attacks a large number of [...] of Buckthorn-potato aphid Aphids have a complex life cycle, with both winged and wingless forms of adults and a great variety in colour. In greenhouses [...] by parthenogenesis, with unfertilized viviparous females continuing to produce new generations of females. Aphids moult four times before reaching adulthood

• Open field pollination

  Bumblebees visit up to two times more flowers and transfer up to 2,7 times more pollen than honeybees to give growers a flying start to optimal pollination [...] leading to increased yields. Adaptability to weather conditions Bumblebees exhibit an impressive adaptability to diverse weather conditions due to their [...] their ability to regulate body temperature. This unique feature allows them to remain active across a broader range of temperatures, making them particularly

• Mottled arum aphid

  aphid, Neomyzus circumflexus , has a cosmopolitan distribution and a wide host range. In temperate climates it is primarily a pest in greenhouses where it attacks [...] plant vigour and kill the plant through sucking of plant sap. However, also at lower densities the aphids can damage plants because they produce large amounts [...] leaves can reduce photosynthesis and also result in an unattractive plant with a much lower market value. Neomyzus circumflexus can also transmit plant viruses

• Consumers

  around the world to combat pests and diseases in a natural and sustainable way. In this way, we hope to make an active contribution to a sustainable society [...] exclusively to professional growers and farmers. In order to provide you with the best possible service as a consumer, we have drawn up a list of frequently [...] sufficient quantities to feed a rapidly growing population. Producing our natural enemies, bumblebees, and microbiological solutions is a knowledge-intensive

• Quad

  allows the bumblebees to calm down Protect the hives from direct sunlight and rain, and weigh down the hive for example with a stone, to prevent it from blowing [...] hive, worker bumblebees start pollinating the flowers while at the same time collecting pollen to feed the brood. More workers emerge from the brood in the [...] evenly througout the plot. The best position is on a horizontal platform just above the ground Wait at least for half an hour after placing the hives before

• Orius insidiosus

  Apply in groups of at least 50 insects in order to establish a population and encourage mating Make sure the material remains undisturbed at the introduction [...] Orius insidiosus Orius insidiosus is a generalist predator but has a preference for thrips . In addition, it feeds on a variety of small arthropods such as [...] length. They have a black or dark brown body with white markings on their wings. The wings lie flat over their backs when at rest, displaying a characteristic

• Potato/tomato psyllid

  are attached to a strand which connects them to the surface of leaves and can be found on the underside and leaf edge. Hatching occurs three to seven days [...] Overview It is a pest of huge economic importance, which initially affected potatoes and in recent years has become a problem for other Solanaceae crops [...] aubergines, and tobacco. The potato psyllid was considered a minor pest until it was found to be responsible for serious crop damage, both directly and