FAQ Nematodes

temperatures and certainly not outside a host. Only if the nematode is in the host and the temperature is not too low is there a small chance that the nematodes [...] reach their host. Once in contact with a host, they try to penetrate it through a body opening. In the host, the nematodes release a bacterium that can kill [...] conditions, a nematode can kill an insect in 24-48 hours. Under field conditions, a nematode will first have to look for a host. The effect of treatment is thus

Plant Pollinator interactions in high temperatures

hand. A humidity of 85% is fine for pollination in a semi-closed greenhouse, while a humidity of more than 80% starts to impede pollination in a conventional [...] levels given in Watts. can be reduced if the humidity is too low or radiation is too high. Staying outside the gray and yellow areas in the table in figure [...] the humidity is too low or radiation is too high. strong, and the climate in the greenhouse is consistent. No easy feat, but the payback is more than worth

Click beetles

the plants to wilt and die. Damage is more severe in young plants. Life cycle and appearance of Click beetles Adult Agriotis sp. are 6-10 mm long and yellowish [...] yellowish brown to black. The eggs are laid in May or June in groups in the soil. They hatch about one month later and the larvae start to feed on roots [...] brown or light brown with a darker head. Larval development takes 4 to 5 years. When fully grown the larvae pupate in the soil in summer. The adults appear

Bugs

Hemiptera Bugs What are bugs? Heteropteran bugs form a group in the order Hemiptera , a highly diverse group of insects, containing both harmful and beneficial [...] hard, leathery forewings that meet, but do not overlap, in the dorsal midline. Some bugs produce a pungent odour. Heteropteran bugs are hemimetabolous insects [...] nymphal instars and the adult insect. Several species of especially the families Miridae and Pentatomidae are found as pests in agricultural crops. Find

Pollination checklist Growing lights

means, or by the sun in spring and late autumn. The later the lights are turned on, the more time (overlap with daylight) there is for the bumblebees to [...] the bumblebees to fly when there is enough daylight present. Wireless BeeHome system (WBH) can be controlled either by using a timer or by connecting the [...] than 28 °C temperatures you can place them lower in the greenhouse. 13:00 Vertical placement will have a negative effect on the development of the hives

Pollination checklist outdoor

the same crops. Position a bumblebee hive at least 100 metres away from a honeybee hive, out of the sight of the honeybees. This is necessary because the [...] flowering weeds in and around the area to be pollinated. Protect the hive against strong winds. Position the hive in a sheltered spot, or weigh down the hive. [...] Koppert's bumblebees ensure natural pollination in both indoor and outdoor crops. Good pollination in outdoor crops can be achieved by following the r

Pollination checklist tomato

flowers. Bumblebees maintain a constant temperature in the hive. If the temperature to which they are exposed is too high for a lengthy period, the hive and [...] 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 [...] days. Introduce a new bumblebee hive once the number of bite marks has dropped to just one or two per flower. Pollen is released best at a relative humidity

General Conditions Koppert

this interest. In addition, the Buyer is obliged to compensate Koppert in full for the losses Koppert suffers as a result of a fall in the exchange rate [...] signed by a person who is authorized to enter into the agreement; b. by the reaching of a written consensus on an order form which is used by Koppert [...] Buyer does not meet its payment obligation in full within the term referred to in article 6.1, the Buyer is in breach without any further notice of default

Pollination checklist Natupol Fly

will often take longer than a week. In the event of having to use Natupol Fly at a temperature below 15 ˚C, first mature them in a warm environment. Release [...] temperature. Natupol Fly is supplied as pupae in cardboard tubes. Use 15 ml of pupae per square metre as standard. Modify this quantity in relation to the number [...] Fly, search in the side effect database for bumblebees (Bombus spp.). Do not release Natupol Fly without preparation if the temperature is below 15 ˚C

Large raspberry aphid

life cycle, with both winged and wingless forms of adults and a great variety in colour. In greenhouses, reproduction takes place by parthenogenesis, with [...] The large raspberry aphid, Amphorophora idaei, is the most important aphid species found on raspberries in Europe. It only feeds on raspberry. Damage symptoms [...] major problem is the spreading of various raspberry viruses by the aphids. Life cycle and appearance of Large raspberry aphid Aphids have a complex life