• Damping-off

  Avoid the use of fields with inadequate drainage or improve the drainage before planting/sowing. Prevent plant diseases by optimizing plant potential and [...] young plants and damage is more extensive in young crops. Damage symptoms Pythium affects roots, in particular those of seedlings. Infected plants lag in [...] the night, but later the plants wilt irreversibly. In potted plants the flower buds fall off. The side roots rot and very little of the root system survives

• Grey mould

  / Botrytis cinerea ) is part of the foot rot complex, which causes rotting of the foot and may cause death of the plants. In cucumber and tomato the fungus [...] In potted plants, the cuttings die due to carry-over infection from infected parent plants. Life cycle and appearance of Grey mould Spores of grey mould [...] meaning that it excretes compounds that kill the plant cells and then uses the content of the plant cells as nutrients. On the infected area, new spores

• Verticillium wilt

  infects the roots of plants, directly or through wounds caused by for example nematodes. The fungus then grows into the vessels of the plant and produces spores [...] causes verticillium wilt and early dying of potato. Damage symptoms Verticillium species mostly cause wilting of plants. The wilting starts at the lower leaves [...] orange-yellow. In the beginning the plant seems to recover at night. The symptoms may occur only in parts of the plant. Cutting the stalk horizontally reveals

• Cottony soft rot

  cottony soft root, is a plant pathogenic fungus. It has a very wide range of host plants. Damage symptoms The first symptoms of a cottony soft root ( S [...] Root infection often leads to premature wilting and death of plants. Life cycle and appearance of Cottony soft rot Cottony soft root ( Sclerotinia sclerotiorum [...] Remove diseased plants in a closed plastic bag Remove crop residues Prevent plant diseases by optimizing plant potential and crop resilience.

• Bacterial wilt, brown rot

  potential host plants. Damage symptoms In potato, field symptoms of Ralstonia solanacearum are wilting and yellowing of leaves and stunted plants. Inside, vascular [...] cut. When the bacteria transfers to young plants through infected tubers, the wilting and collapse of plants happens rapidly. Leaves remain green after [...] -infected plants. In tomato, the youngest leaves are affected first. They show signs of wilting during the day which may disappear in the early stages of infection

• Fusarium wilt

  vessel system of the host plant and spreads upwards inside the plants. The other species are dispersed upwards on the outside of the plant. Most Fusarium [...] yellow and wilt, mostly on one side of the plant. Finally, the whole plant wilts. Other symptoms are brown discolouration of the xylem vessels which can be [...] is similar to that of most Fusarium species. Fusarium overwinters for many years in the soil and on crop residues of infected plants as chlamydospores (thick

• Angular leaf spot

  form a secondary source of infection. They are dispersed by rain, irrigation water or handling of the plants. Infection of the plants happens both passively [...] most important, but also all types of vascular tissue of the crown can be infected, creating a look similar to that of a Phytophthora fragariae infection [...] cycle and appearance of Angular leaf spot Xanthomonas fragariae overwinters in plants and dead leaves, that become the primary source of infection in the spring

• Diglyphus isaea

  ). Release parasitic wasps between the leaves of the crop in the morning or in the evening The dosage of the parasitic wasp Diglyphus isaea depends on [...] a result of which the leaf miner larva dies. A few days after being parasitized, the leaf miner larva turns flaccid and brown. Older larvae of D. isaea [...] integrated pest management programs. Diglyphus isaea is used for the control of the following pests: Leaf miners The parasitic wasp Diglyphus isaea is available

• Dwarf bunt

  Additionally, plants only reach a fraction of their normal height. Spikes are generally broader and the glumes opened wider, than in plants infected with [...] appearance of Dwarf bunt Tilletia controversa survives as teliospores in the soil or on seed. The soil-borne teliospores are the main source of primary infection [...] before emergence and the fungi grow inside the plants to the growing tip. The fungi grow between the plant cells and eventually grow inside the kernels.

• Crazy roots, hairy roots, crown gall

  in the hormonal system of the plant resulting from the Rhizobium infection. Rhizobium rhizogenes puts a Ri-plasmid in the plant tissue and causes a genetic [...] system Prevent contact between the plant roots and the gutters in greenhouses Prevent plant diseases by optimizing plant potential and crop resilience. [...] growth of galls on the stems, which are first white and later turn brown. Only Rhizobium radiobacter causes galls and tumours on underground plant parts