Botrytis

cinerea ) is a commonly found fungus in many environments. It survives in plant parts like bulbs and crop residues or as sclerotia (drought- and cold-resistant [...] infected after abortion and then provide a large amount of inoculum Extra Silicon and/or Calcium nutrition hardens the cell walls and makes it harder for the [...] 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

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 [...] beneficials and pollinators, microbial products such as bacteria and fungi form a third pillar for the sustainable production of plants and crops. Even [...] contribution to a sustainable society, with safe food in sufficient quantities to feed a rapidly growing population. Producing our natural enemies and microbiological

Phytophthora blight

Oomycetes and are therefore strictly speaking not fungi. They thrive at soil temperatures between 15 and 23 °C and higher water content than is optimal for [...] germination and attract the zoospores. The pathogen grows into the stem and on the plant surface and new sporangiophores (structures containing sporangia, a type [...] ting and be careful with overhead irrigation since both a high water content of the soil and water splash promote disease. Ensure fast drying and wound

Damping-off

roots rot and very little of the root system survives. On the border between air and soil or substrate the plant turns brown. A typical symptom of a Pythium [...] the Oomycetes, a separate group of microorganisms and is therefore not a real fungus. It survives as oospores, resting spores which are resistant to unfavourable [...] General Pythium is considered a ‘weak pathogen’, meaning that it can usually only affect plants that are in a sub-optimal condition or suffer from stress

Fusarium wilt

General Fusarium is a group of soil-borne fungi with many different species. Fusarium is widespread and can infect a range of host crops. Many species [...] blight in cereals and post-harvest decay. Fusarium oxysporum is the species causing vascular wilt. First the leaves turn yellow and wilt, mostly on one [...] pathogenic on a limited number of crops. Even within one crop, different formae speciales may occur and cause different symptoms. Fusarium oxysporum is the only

False codling moth

leucotreta ) is native to sub-Saharan Africa and is found in all citrus production areas in Southern Africa. It also occurs on some of the Indian and Atlantic [...] Appearance and life cycle of False codling moth Eggs are laid singly on the surface of the fruit and resemble a saucer-shaped dome. After a few days the [...] quarantine status and is not due to the economic losses. Damage and symptoms Larval penetration holes in the fruit can only be found through thorough inspection

Swirski-Mite Plus

swirskii is most effective at temperatures between 20 and 32°C (68 and 90°F). It is not effective at temperatures below 18°C (64°F). A. swirskii is sensitive [...] ha and hang them evenly spaced in the crop. Release should be repeated after 4 weeks if the pest is not controlled. Consult a Koppert advisor or a recognized [...] thrips species and eggs and larvae of whitefly . Crops Do not use in tomato. Mode of action Predatory mites multiply in the sachet and disperse into the

Cottony soft rot

as 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 ( [...] wilting and death of plants. Life cycle and appearance of Cottony soft rot Cottony soft root ( Sclerotinia sclerotiorum ) overwinters as sclerotia and 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. G

Early blight

three days later and sporulation within five days. Infection is both direct and through wounds and stomata. Spores are dispersed by wind and in some species [...] stage in all Alternaria species is the asexual stage. Conidia and mycelium overwinter in the soil and on crop residues and cause primary infection of the [...] ). Prevent damage during harvest (in potato and carrot). Post-harvest storage at 0-1 o C. A. brassicae and A. brassicicola : adjust the sowing date to avoid

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