Flowering potted plants

of flowering potted plants, the most common species are: Poinsettia is well known and popular for its large red, white and green leaves, especially around [...] grown indoors and are used as ornamental houseplants in countries with colder climates. Kalanchoe is a tropical, succulent flowering plant and a genus that [...] around Christmas. Begonia is a perennial flowering plants and belongs to the family of Begoniaceae . The genus consists of 1,795 different plant species. Some

Cotton aphid

including the cucumber mosaic virus. Nymphs and adults extract nutrients from the plant and disturb the balance of growth hormones. As a result, the plant’s [...] if the infestation occurs early enough in the season, the death of young plants. Retarded growth and defoliation reduce yield. Plant sap is rich in sugars [...] pepper and many ornamental plants such as chrysanthemum and kalanchoe. The cotton aphid ( Aphis gossypii ) is distributed throughout the world but prefers

Experience Centre

of 1,5 hours and is suitable for groups of up to 15 visitors. In the case of bigger groups, the programme can be adapted in consultation. The Experience [...] Experience Centre and discover the world of sustainable cultivation If you are interested in sustainable cultivation, biological crop protection , and natural [...] pollination, come and visit the Koppert Experience Centre where you can take an interactive journey through the fascinating world of sustainable cultivation

Fusarium wilt

First the leaves turn yellow and wilt, mostly on one side of the plant. Finally, the whole plant wilts. Other symptoms are brown discolouration of the xylem [...] xylem vessels which can be seen when the stems are cut. In banana, whole plantations may die and the soil may not be suitable for planting for many years [...] may occur and cause different symptoms. Fusarium oxysporum is the only Fusarium that actually grows inside the vessel system of the host plant and spreads

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Green peach aphid

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 [...] As a result, the plant’s growth is retarded giving rise to deformed leaves or, if the infestation occurs early enough in the season, the death of young [...] 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 moulds (

Damping-off

first, the plants recover during the night, but later the plants wilt irreversibly. In potted plants the flower buds fall off. The side roots rot and very [...] aphanidermatum mostly occurs at higher temperatures in the soil or irrigation water. Pythium aphanidermatum mostly occurs in young plants and damage is more [...] f’, hence the name damping-off disease. In slightly older plants, the leaves lose their turgor or the leaf tips turn yellow, for example in flower bulbs

Predatory mites

chemical pesticides. Koppert is the pioneer in the development of predatory mite solutions, starting in 1967 with the rearing of the predatory mite Phytoseiulus [...] essential to know where the pest is, how severe the infestation is and to identify the pest. Select the right predatory mite: Choose the appropriate species [...] deutonymphal and adult stages the mites feed almost continuously. Protonymphs and deutonymphs are similar to the adults in appearance, but smaller in size. Predatory

Tobacco thrips

appearing in Spain in 2017, France in 2018, the Netherlands in 2019, and Germany by the end of 2021. The tobacco thrips also reached Florida in 2020 and has [...] hidden. In greenhouses, Thrips parvispinus populations typically start to appear in the spring and peak in the autumn, with minimal presence in the winter [...] damage on fruit. The feeding activity of the thrips often leaves scars and blemishes on the fruit surface, which reduces the fruit's quality and marketability

Beneficial microorganisms

Once attached, the spores germinate, penetrate the cuticle, and colonize the insect's body. Internal damage: Once inside the insect, the fungus proliferates [...] lead to the insect's death. Spore production: As the insect succumbs to the fungal infection, the fungus continues to grow. Eventually, it produces more spores [...] beneficial microbes are the fungi Akanthomyces muscarius , Beauveria bassiana, Metarhizium anisopliae and Isaria fumosoroseus and the bacterium Bacillus t