• Tobacco whitefly

  its propensity for the transmission of viruses. Damage symptoms The larvae of whitefly need a lot of protein for growth, and thus consume a large quantity [...] This insect was first identified on tobacco in Greece in 1889, hence the name tabaci . It has subsequently been found in most tropical and subtropical countries [...] fall. Such leaf damage can in turn influence the development of fruit and lead to a reduction in yield. The honeydew deposited on fruit makes it sticky. Dirt

• Pollination checklist tomato

  flower needs to have been pollinated before it closes. Depending on the conditions, a flower will remain open for one to three days. To check on pollination [...] chemicals on the plants or flowers. Bumblebees maintain a constant temperature in the hive. If the temperature to which they are exposed is too high for a lengthy [...] the bumblebees' work. A single visit results in the transfer of enough pollen for pollination. Fruit setting takes place once a flower has been pollinated

• Gummy stem blight

  bryoniae) is a fungal plant pathogen that causes gummy stem blight. Damage symptoms Mycosphaerella cucumis in cucumber causes brown lesions on the foot and [...] and higher up on the stem. On the lesions, golden-brown gummy drops occur, hence the name gummy stem blight. On the lesions, black specks, the new fruiting [...] previous crop that may serve as inoculum source for the new crop prevent condensation on all plant parts at all times Extra Silicon and/or Calcium nutrition hardens

• Mycotal

  product label for more information Consult a Koppert advisor or a recognised distributor of Koppert products for advice on the best strategy for your situation [...] Infested insects shrivel, or in humid conditions, develop a fluffy mycelium outside the insect. Pack size 500 gram bag with a cardboard outer casing. Formulation [...] The efficacy of Mycotal depends on temperature and relative humidity conditions inside the crop canopy and the timing of application. The following conditions

• Entonem

  1 sachet of 50 million in a box. 500 million - 2 sachets of 250 million in a box. 2,500 million - 10 sachets of 250 million in a box. Developmental stage [...] litre for foliar applications (application to run off). Always check the product label for more information. Timing Timing and frequency depend on the pest [...] and temperature). Consult a Koppert advisor or a recognised distributor of Koppert products for advice on the best strategy for your situation. Environmental

• May beetle

  very similar in terms of their external appearance. In short, the adults have a reddish-brown colour and grow to approximately 10 to 25 cm in size, depending [...] although this is not a method which works for all species. They can best be identified based on examination of the male genitalia. They have a very long lifecycle [...] aggressive. In early spring they either start feeding again or when the larvae are fully grown a kind of earthern cell is created in the ground in which they

• Chrysopa-E

  of Koppert products for advice on the best strategy for your situation. Environmental conditions Chrysoperla carnea is effective in a wide temperature range [...] made preventively or in infested areas and repeated at weekly intervals until control is achieved. Consult a Koppert advisor or a recognised distributor [...] the product can be stored for 1-2 days. Storage temperature 8-10°C/47-50°F. Storage conditions In the dark. Recommended for you Chrysoperla carnea Predatory

• Municipality Enschede: Entonem nematodes against oak processionary caterpillar

  nematodes for the first 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 [...] processionary caterpillar for the Municipality of Enschede. ‘We use Koppert’s nematode product Entonem in locations where we find a range of unusual butterflies [...] do this at an early stage, there is no secondary effect on other caterpillars . We’ve treated a total of 2600 to 3000 oak trees with nematodes.’ Maintenance

• Chrysopa

  control is achieved. Consult a Koppert advisor or a recognised distributor of Koppert products for advice on the best strategy for your situation. Environmental [...] before use Apply on infested leaves For hotspot treatments, apply Chrysopa directly in the heavily affected areas The product can be applied on the rock wool [...] product can be stored for 1-2 days. Storage temperature 8-10°C/47-50°F. Storage conditions In the dark, bottle horizontally Recommended for you Chrysoperla carnea

• Ervipar

  infestation is expected. Consult a Koppert advisor or a recognised distributor of Koppert products for advice on the best strategy for your situation. Environmental [...] the material on rock wool slabs or in Diboxes Make sure the material remains dry and is not moved from its introduction site for at least a few days Dosage [...] converts into a leathery mummy. The adult parasitic wasp emerges through a hole at the rear of the mummy. The first mummies are noticed in the crop around