• Cotton leafworm

  species feeding on plants of 40 families, containing 87 species of economic importance. It originates in Egypt, and is currently found in Africa, the Canary Islands [...] spherical, about 0.6 mm long and whitish yellow. They are laid in clusters of 20 to 500 pieces on lower leaf surfaces, often on the lower parts of the plant. [...] skeletisation of the leaves, whereby all that remains are the bigger veins. Young larvae also bore into buds, which results in shedding or drying up of the buds

• Horiver Wetstick

  Green: Echinothrips americanus Mode of action Insect pests are attracted to the colour of the sticky trap and get caught in the glue. Presentation Polysterene [...] Outer cards with glue at one side only Application Place traps in areas with high risk of pest infestation such as areas near doors, gable ends and lateral [...] use Yellow Horiver Wetstick can be used in combination with Natutec Scout for easy identification and counting of insects trapped. Storage time See Best

• Fusarium spp.

  ascospores. In general, the life cycle of different Fusarium species is similar. Fusarium overwinters for many years in the soil, and on crop residues of infected [...] sulphureum (Dry rot of potato): Potato ( Solanum tuberosum) Fusarium solani : Members of the Fusarium solani species complex (FSSC) are capable of causing disease [...] infection decreases the baking quality of wheat and brewing qualities of barley. Furthermore, mycotoxins are produced, of which DON (deoxynivalenol) is the

• Plant Disease Management

  disposing of diseased plant material is essential to prevent the spread of pathogens. This practice is particularly important in containing the spread of diseases [...] the use of living organisms to suppress or control plant pathogens, which are microorganisms that cause diseases in plants. The primary goal of biological [...] planting the same crop in the same location year after year. Rotating crops disrupts disease cycles and reduces the buildup of pathogens in the soil. Diseas

• Know Your Enemy - A closer look at Whiteflies

  August 14, 2024

  development of the infestation. In addition, rain and wind are factors that affect outdoor areas, lowering the risk of infestation. The spread of whitefly [...] enabling them to extract plant fluids. The appetite of whitefly larvae for plant sap results in the excretion of excess sugars as honeydew. This honeydew excretion [...] tomatoes and peppers, yellowing of flower stems in gerbera, and serious yellowing of the leaves in green beans Extensive feeding can retard plant growth and

• Botrytis: Ten must-knows

  March 26, 2025

  movement in the crop, and disposing of affected parts in a plastic bag. Focusing on plant resilience has a lot of benefits and reduces the chances of the fungus [...] low temperatures (up to 0°C). The fungus survives on plant parts, bulbs, or in the ground. The spores of the fungus germinate in moist environments or at [...] can be used on various parts of the plant. For more informations and tailored solutions, get in touch with us today! Get in touch

• Disclaimer

  and/or loss of time due to the use of this website. loss due to certain information on the website being incorrect, incomplete, or out of date. The website [...] representation of the site vest exclusively in Koppert and its associate third parties, unless specified otherwise. The content of this website may not be copied [...] use the intellectual property of Koppert or of third parties. Nothing on this website may be copied, or published by means of print, photocopy, microfilm

• Breeding Beauty: How United Selections Protects Innovation with 100% IPM

  February 9, 2026

  within this delicate balance of science and strategy that United Selections operates, leading the game in breeding roses in Kenya under conditions that [...] challenges, particularly dangerous in the breeding and selection houses, where thousands of different plant varieties are grown in proximity. To manage this pressure [...] Rose breeding is one of the most demanding disciplines in horticulture, where success depends on patience, precision, and an uncompromising attention to

• Protect your plants from Thrips with Horiver-TR®

  June 23, 2016

  for a flower grower as the presence of thrips in the crop. Thrips are still a major pest in a many greenhouse crops in Kenya. Thrips damage plants by sucking [...] quickly leads to great numbers of thrips infesting individual plants. Therefore, successful management of thrips is a matter of maintenance and vigilance. [...] First, inspect any planting material you import into the greenhouse for signs of thrips or their damage. Further, get rid of any weeds or grass around the

• The Silent Threat to Kenya’s Avocado Industry: How Koppert is Leading the Fight Against Persea Mite (Oligonychus perseae).

  March 27, 2025

  adult. Distribution of Persea Mite It was first described in 1975 from specimens found on Mexican avocado plant material intercepted in Texas. It Spread from [...] Israel, Spain, and other avocado-growing regions. In Africa, it was first detected in Morrocco in 2019 (EPPO, 2019). It is likely spread through various [...] larger percentage of the export avocado in Kenya. 1. Feeding Damage: Circular chlorotic spots along midribs and veins on the undersides of leaves are initially