• Pepino mosaic virus

  can be observed. In Europe, the Chilean strain (CH2) is dominant and present in 90% of the infections. If more strains are found in case of infection, the [...] one and the same strain are genetically very similar, they can show very different levels of aggressiveness in the plant and, as a consequence, in the [...] infection and can significantly impact the yield and quality of crops like tomatoes. Typical symptoms are: Leaves & stems Nettle-like heads and/or bubbling

• Cotton aphid

  production. Life cycle and appearance of Cotton aphid Aphids have a complex life cycle, with both winged and wingless forms of adults and a great variety in colour [...] 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 [...] occurs early enough in the season, the death of young plants. Retarded growth and defoliation reduce yield. Plant sap is rich in sugars, but has a low

• 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

• 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

• Mycotal

  Crops Vegetables, ornamentals , nursery trees and soft fruit in protected cultivation. Mode of action After spraying Mycotal, the spores germinate and grow [...] Here they proliferate and destroy the tissues. The fungus then grows through the insect cuticle and produces spores on the outside of the cadaver, which may [...] amount of Mycotal For optimal effectiveness combine with an adjuvant such as Addit or Squad Mix with 3-4 litres of water (15-20°C) per 500 gram of Mycotal

• 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