• FAQ Nematodes

  larvae, especially in the case of large insects. Do entomopathogenic nematodes only work as a soil application? In nature they live in soil and are therefore [...] visible? Infected larvae will change color because of the growth of the bacteria and nematodes. In case of Heterorhabditis pink-reddish and Steinernema ye [...] host to this group of nematodes. By far the most nematodes belong to the group of saprophytes. These nematodes are harmless and live of dead organic matter

• General Conditions Koppert

  compensation T of any damages suffered in any manner as a result of late delivery, excepting in cases of intent or gross negligence on the part of Koppert. The [...] payment of 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 [...] damage as a result of loss of harvest, crop damage and/or damage due to deterioration of the structure of the soil. The payments of damages claimed shall

• Large raspberry aphid

  Overwintering eggs of the large raspberry aphid are laid near the base of vegetative canes and hatch in spring. After emerging in spring, the aphids mainly [...] complex life cycle, with both winged and wingless forms of adults and a great variety in colour. In greenhouses, reproduction takes place by parthenogenesis [...] damage. The major problem is the spreading of various raspberry viruses by the aphids. Life cycle and appearance of Large raspberry aphid Aphids have a complex

• Pollination checklist outdoor

  particularly in warm periods. Provide the hive with sufficient shade, for example by positioning it in the shadow of the crop. Ensure that the underside of the [...] a honeybee hive, out of the sight of the honeybees. This is necessary because the honeybees may be attracted by the sugar water in the bumblebee 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

• Plant Pollinator interactions in high temperatures

  temperature: Impact of radiant heat and humidity A glasshouse air temperature of 30° C at a humidity of 80% can still results in good pollination. At [...] an intensity of no more than 400 watts. The table in figure 3 gives a representation of what the best conditions are for pollination. Of course, these [...] by a combination of high humidity deficit and elevated temperature. In conventional greenhouses in warm climates, this is typical of summer plantings.

• Pollination checklist Natupol Fly

  supplied as pupae in cardboard tubes. Use 15 ml of pupae per square metre as standard. Modify this quantity in relation to the number of flowers per square [...] 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 Natupol [...] results. Download poster The emergence of Natupol Fly adults from the pupae more or less stops at a storage temperature of between 3 ˚C and 8 ˚C. At higher

• Pollination checklist tomato

  humidity of more than 80%-85% will result in pollen not being released and the bumblebees will become inactive. Below 50% RH, the germination capacity of the [...] therefore position the bumblebee hive in the coolest spot, or at least in the shade, particularly during the warmest part of the day. Ensure that the hive gets [...] it possible to check the bumblebees' work. A single visit results in the transfer of enough pollen for pollination. Fruit setting takes place once a flower

• Click beetles

  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. The [...] fully grown the larvae pupate in the soil in summer. The adults appear about 4 weeks after pupation, but usually remain in the soil until the following [...] wireworms and feed on the roots of many plants. Damage symptoms The click beetles feed on the roots and bore into the base of plants. This can cause the plants

• Bugs

  για What are bugs? Heteropteran bugs form a group in the order Hemiptera , a highly diverse group of insects, containing both harmful and beneficial species [...] overlap, in the dorsal midline. Some bugs produce a pungent odour. Heteropteran bugs are hemimetabolous insects. Their life cycle consists of an egg, usually [...] and the adult insect. Several species of especially the families Miridae and Pentatomidae are found as pests in agricultural crops. Bug damage Phytophagous

• Pollination checklist Growing lights

  checklist Placement High & horizonal Growing lights in tomato crops Light timetable Points of attention 19:00 Snow 18:00 Place hives above the crop [...] s you can place them lower in the greenhouse. 13:00 Vertical placement will have a negative effect on the development of the hives. 10:00 1! Bumblebees [...] screens are used, take the angle of the sun into account. Natupol Excel Natupol Excel was developed for better performance in difficult light conditions.