• Damping-off

  stress, caused for example by too much water, too high or low temperatures or sudden fluctuations in temperature. Pythium aphanidermatum mostly occurs at higher [...] higher temperatures in the soil or irrigation water. Pythium aphanidermatum mostly occurs in young plants and damage is more extensive in young crops. Damage [...] older plants, the leaves lose their turgor or the leaf tips turn yellow, for example in flower bulbs. At first, the plants recover during the night, but

• Tobacco whitefly

  insecticides and its propensity for the transmission of viruses. Damage symptoms The larvae of whitefly need a lot of protein for growth, and thus consume a [...] Greece in 1889, hence the name tabaci . It has subsequently been found in most tropical and subtropical countries of the world. The original habitat was [...] of sooty moulds ( Cladosporium spp .) is encouraged, making it unsuitable for sale. In serious cases the fruit will rot. Sooty moulds also develop on the

• Cyclamen mite

  Flowers and young fruits become brown near the base. Life cycle and appearance of Cyclamen mite The life cycle of the cyclamen mite ( Phytonemus pallidus ) [...] g the plant tissue with its piercing-sucking mouth parts. The mites are mostly found within the flower buds, growing tips and young folded leaves, where [...] the hind legs reduced to slender threadlike structures that are not used for walking. The males are smaller than the females and their hind legs are modified

• Empowering Mango Farmers in Embu: A Day of Sustainable Solutions

  October 5, 2023

  ensure that produce was acceptable for these markets. This included highlighting that there was a Zero tolerance policy for fruit fly in the European and American [...] standards and open up new opportunities for their produce. Effective Pest Management: One of the primary concerns for mango farmers was dealing with pests [...] Mango farming in Embu County, Kenya, has been a viable economic venture for the local community, providing delicious fruits to both local markets and

• Pea blight, leaf and pod spot

  sexual stage. Ascochyta fungi develop most rapidly at temperatures below 20 °C and the spores require water for dispersal. How to prevent Pea blight, leaf [...] part of the foot rot syndrome in peas. Infected seeds may have brown areas. Life cycle and appearance of Pea blight, leaf and pod spot Ascochyta pisi hardly

• Cottony soft rot

  pods. Root infection often leads to premature wilting and death of plants. Life cycle and appearance of Cottony soft rot Cottony soft root ( Sclerotinia [...] and 26 °C with an optimum between 13 and 15 °C. Germination and infection mostly take place at high soil water content over a prolonged period of time. The [...] fungus also infects seeds and tubers, thereby creating a source of infection for the next crop. The dispersal to neighbouring plants is by mycelial growth

• Anagyrus vladimiri

  products for advice on the best strategy for your situation. Best conditions for Anagyrus vladimiri The parasitic wasp Anagyrus vladimiri is most effective [...] particularly effective for mealybug control, a common pest affecting various crops. The natural enemy Anagyrus vladimiri is used for the control of the following [...] sunlight Deploy in or near the mealybug colonies Leave bottles in the crop for at least two weeks Carry out adequate ant control The dosage of Citripar depends

• Boost Soil Health Naturally: Inside the Koppert Soil Health Program

  June 16, 2025

  Panoramix-GR : Biofertilizer for Growth & Stress Resilience Panoramix-GR is a 100% natural product based on beneficial microorganisms for use in various crops [...] especially in the face of changing climatic conditions. Root & Soil Safety: Koppert's products are 100% Natural and safe for plant roots and the soil, [...] Than Ever Soil health is the foundation of every successful harvest, but for years, chemical pesticides have dominated agricultural practices. While chemical

• Know Your Enemy - A closer look at Whiteflies

  August 14, 2024

  insects, they belong to the division Sternorrhyncha. In protected crops, the most common species are the greenhouse whitefly , Trialeurodes vaporariorum, and [...] significant damage, variety of crops such as tomato, cabbage, potato and citrus. Life Cycle Adult females live up to six weeks, and can produce up to 200 eggs [...] spot on the leaf to feed. Once they find a feeding spot, they remain there for the rest of their larval development. The fourth larval instar, when the red

• Botrytis

  es unfavourable for germination, the spores can survive a few days on the plant surface and still germinate when the RH increases, for example when cut [...] name suggests, grey mould’s ( Botryotinia fuckeliana / Botrytis cinerea ) most common symptoms are grey-brown lesions. The lesions occur on leaves, stems [...] the cuttings die due to carry-over infection from infected parent plants. Life cycle and appearance of Grey mould Spores of grey mould ( Botryotinia fuckeliana