• Plant Pollinator interactions in high temperatures

  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 30° C and 60% humidity [...] protection, the plant aborts the fruit to reduce fruit load on the plant and directs the assimilates to the vegetative growth of the plant. This is undesirable [...] Staying outside the gray and yellow areas in the table in figure 3 ensures that pollination and setting issues due to temperature and humidity are eliminated

• Cottony soft rot

  wilting and death of plants. Life cycle and appearance of Cottony soft rot Cottony soft root ( Sclerotinia sclerotiorum ) overwinters as sclerotia and mycelium [...] mycelium in dead and living plant material in or on the ground. Sclerotia germinate at temperatures between 4 and 26 °C with an optimum between 13 and 15 °C [...] easily be seen with the naked eye and look like rat droppings. The symptoms may occur on stems but also on leaves, fruits and pods. Root infection often leads

• Green peach aphid

  malformations of the growing tips. Life cycle and appearance of green peach aphid Aphids have a complex life cycle, with both winged and wingless forms of adults [...] large quantities of sap to get sufficient protein. The excess sugar is secreted in the form of honeydew, making the crop and its fruit sticky. Black fungal [...] different viruses and is thus rightfully feared by many growers. Nymphs and adults extract nutrients from the plant and disturb the balance of growth hormones

• Corn earworm

  small quantities of eggs, between one and three, in the hairs of green ears of corn. The larvae feed on the hairs of the young corn and on the young kernels [...] the tip of the cob, making holes in the corn. In other crops, they prefer flower buds and soft fruit. They cause visible damage through feeding, and some [...] pest. Life cycle and appearance of the corn earworm The eggs of corn earworm are a milky-white colour, which turn dark grey before hatching, and have a

• Tomato looper

  folded edges, on random objects and on tomato fruit, often in a bunch of ripening tomatoes, however, it can also be found in the soil. The pupa has a pale [...] chalcites ) belongs to the family of Noctuidae . It is a tropical and subtropical species originating in the Mediterranean and northern Africa. The larva is [...] chalcites ) spreads to several northerly countries and is now one of the most frequently found pest species in greenhouses. Damage symptoms The tomato looper

• Consumers

  Every day, Koppert helps growers and farmers around the world to combat pests and diseases in a natural and sustainable way. In this way, we hope to make an [...] first has to form fruit before the tomato can actually start to grow. In nature, insects and other animals take care of the pollination and therefore the formation [...] formation of fruit. Honeybees are traditional important pollinators of arable and horticultural crops. The bumblebee is a close relative of the honeybee

• Shallot aphid

  On bulbs and shallot, the aphids often occur at the end of the storage period causing malformation of new plants. Life cycle and appearance of The shallot [...] shallot aphid Aphids have a complex life cycle, with both winged and wingless forms of adults and a great variety in colour. In greenhouses, reproduction takes [...] ing and there is no sexual stage in the life cycle. No eggs are produced. Myzus ascalonicus is cold hardy and overwinters in sheltered places and greenhouses

• Drososan

  with the beginning of the adult flights and fruit development in surrounding trees and shrubs. Traps will be less effective once fruit starts to ripen. Combined [...] sides of the plot, in the hedge (if available) and in the crop. If the crop is low, make sure the traps hang at least one metre above the ground. In taller [...] Drosophila suzukii). Crops Various fruit crops. Mode of action The Drososan trap needs to be used in combination with Fruit Fly Attractant. The spotted wing

• Thrips

  , silvering and fruit damage, leading to reduced yield and marketability. Because they reproduce quickly and hide deep within flowers and leaves, effective [...] or transparent in color and have a similar shape to the adults but are smaller and lack wings. One of the most distinctive features of thrips larvae is [...] varying levels of fruit damage depending on the species of thrips and their population density. In ornamentals , flowers can be seriously damaged, while

• Tomato

  critical role in enhancing fruit set and yield in tomato crops, but also contributes to integrated pest management (IPM) practices. The use of bumblebees [...] approaches involve regular and systematic inspection of crops to identify the presence and severity of pests and diseases. Growers use various techniques, including [...] (IPM) in tomato crops Integrated Pest Management (IPM) is of importance in tomato cultivation. Tomatoes are exceptionally susceptible to a range of formidable