• Soybean looper

  Damage and symptoms The feeding habit of this caterpillar is ascending: in other words, it feeds from the bottom of the plant to the top. The smaller [...] emerges. The pupal period is completed in seven to nine days, until the emergence of the adults. As the days pass, the pupa become darker. The standard [...] of soya bean leaves by the caterpillars is between 64 cm 2 and 200 cm 2 . After the final larval instar, the caterpillar is transformed into a pupa, which

• Koppert Sustainability Report 2023

  You are a proponent of the CSRD. Why is that? ‘The CSRD is an expression of the EU’s sustainability ambitions. It is also one of the tools for achieving those [...] required to disclose under the CSRD. Now the focus is shifting to data and to designing the systems and processes for collecting and recording data in a uniform [...] thought leadership and lead by example. In other words, thinking in the long term and prioritizing the well-being of the planet and society when making

• Tobacco budworm

  found on the growing tips, the leaf petioles, and the stems. In the absence of reproductive tissue, the larvae easily feed on leaf material. When the caterpillars [...] move towards and penetrate the fruit, the risk of disease infection increases considerably. Lifecycle and appearance of the tobacco budworm The eggs are laid [...] laid in the flower buds, the fruit, and the growth areas; they have a spherical shape with a flat base and develop a whitish-yellow and grey colour as

• Biocontrol solutions for outdoor crops – Koppert partners with European growers

  June 2, 2023

  working with and for growers. We develop natural solutions that address their needs and challenges and conduct extensive testing in the lab and in the field. [...] visits During and at the end of the season, the Koppert team conducts follow-up visits. “We are interested in not just the outcome, but also in the process. [...] Italy, the Netherlands, Poland and Spain will control pests and diseases and driving crop performance with Koppert's biological solutions. “We have the solutions

• Shallot aphid

  are pale, apart from the ends of the antennae and the tarsi. The siphunculi are short an swollen towards the apex. The shallot aphid does not alternate to [...] shortened and leaves curled and twisted. Blossom trusses are also affected, fruits remain small and yield is reduced. On bulbs and shallot, the aphids often [...] ing and there is no sexual stage in the life cycle. No eggs are produced. Myzus ascalonicus is cold hardy and overwinters in sheltered places and greenhouses

• Tomato pinworm

  Mining by larvae in the leaves is the most common type of injury. Initially, the mine is long and narrow, but it later widens to become blotch-shaped. Older [...] under the calyx into the fruit. The name tomato pinworm in derived from the very small pinholes at the points of entry, which are often marked by the presence [...] found on the underside of the leaves. When the presence of the pest is high, they can be found on any part of the plant. They emerge 4 to 7 days after being

• May beetle

  of the plant, as the larvae only feed on root hairs and organic material during the first and second instars. When they move to the next stage, the larvae [...] cause damage to crops, the most representative genus is the Phyllophaga . Given the external physical similarities between the adults and larvae of this genus [...] ending in the death of the plant. From the third stage onwards, the impact of this pest increases. Damage symptoms Initial damage is not visible in the aerial

• Tomato fruit borer

  just below the calyx of the flower. When the eggs hatch, the larvae immediately bore through the fruit, leaving an entry scar, which is the indication [...] 18 days), the caterpillar leaves the fruit and moves to the soil, where it pupates in the detritus around the plant, After around 17 days, the adult emerges [...] aethiopicum), and sweet pepper, among others. Damage and symptoms The attack begins when the fertilized females lay their eggs around the bases of the fruits

• Southern armyworm

  General The southern armyworm ( Spodoptera eridania ) is a pest of various agricultural crops in Southern and Central America and the Caribbean. It is a p [...] derived from the abdomen of the females. The egg stage lasts for 4 to 6 days. At first the eggs are greenish, and become brown before hatching. The caterpillars [...] through six instars and are generally found on the lower surface of the leaves, and are more active at night. The development of the larvae takes approximately

• Leaf miners

  lost before the harvest is affected. The size of a leaf tunnel depends on the stage of development of the leaf, the species of host plant and the species of [...] order Diptera (the true flies ) and form the family Agromyzidae. This is a family of small flies whose larvae tunnel into the leaves of plants, creating ‘mines’ [...] indirectly. The most direct damage is caused by the larvae mining the leaf tissue which can lead to desiccation, premature leaf-fall and cosmetic damage. In (