• Mirical-N

  (maximum 1 cm thick) to enable the predatory bugs to get out of the carrier material Make sure the material is not disturbed for at least a few hours after [...] typically range from 10-50 per m 2 /release. Releases should be repeated al least two times. Consult a Koppert advisor or a recognised distributor of Koppert products [...] damage to other plants). Mode of action The predatory bugs actively search for prey. With their piercing mouthparts, they extract the contents of their

• Pea blight, leaf and pod spot

  water for dispersal. How to prevent Pea blight, leaf and pod spot Grow peas in arid regions Use clean seed Use a minimum crop rotation of four years with non-host [...] General Ascochyta pisi is a fungal plant pathogen that causes A scochyta blight on pea (leaf blight or pea blight) and lesions of stems, leaves, and pods [...] pycnidia are formed from which orange-red masses of two-celled conidia are exuded. Secondary infection is by splash dispersal of these conidia. There

• Yellow rose aphid

  Plant sap is rich in sugars, but has a low protein content. Aphids therefore need to extract large quantities of sap to get sufficient protein. The excess sugar [...] extract nutrients from the plant and disturb the balance of growth hormones. As a result, the plant’s growth is retarded giving rise to deformed leaves. [...] aphid is also a vector of several viruses attacking strawberries and roses. Life cycle and appearance of Yellow rose aphid Aphids have a complex life cycle

• Fusarium spp.

  appearance of Fusarium spp. Fusarium is a group of soil-borne fungi with many different species. Fusarium is widespread and can infect a range of host crops [...] Fusarium spp. is a group of soil-borne fungi with many different species. Fusarium is widespread and can infect a range of host crops. Many species are [...] mycotoxins are toxic to mammals so maximum levels have been determined. Fusarium sambucinum (a.k.a. F. sulphureum ) causes dry rot of potato. The rot is

• Two-spotted spider mite control in hardy nursery stock grown in polytunnels

  July 20, 2021

  complexity. The production of a diverse range of plants often leads to a much wider range of pests that require a mix of ICM solutions to keep pests below population [...] in position, a small incision to the sachet allows the predators to escape over the ensuing 7-10 days,” explained Steve. For plants with a well-established [...] biology, and supported by a sound pest monitoring system. For more information on how to implement a successful biological control programme against spider

• Aphids

  and lead to the growth of a black sooty mold. Aphids life cycle Aphids have a complex life cycle, with both winged and wingless forms of adults of the same [...] Curling or twisting of leaves: Some species of aphids can cause leaves to curl or twist as they feed on the plant sap. How to prevent aphids To prevent aphid [...] aphids have two pairs of wings, one of which is much larger than the other. For a large part of the season an aphid population consists of viviparous females

• At Koppert, every day is Earth Day

  April 26, 2021

  believe that in order to solve the world’s biggest challenges, we need to take the interests of people as well as nature to heart. We need to stay connected and [...] as we recover from the effects of the pandemic, but also on how people can play a role in repairing the damage done. At Koppert, we look to nature for solutions [...] contribute to the Restoration of the Earth in the field of agriculture with the help of natural solutions. Visit the platform of Resilience Food Stories

• Grey mould

  plants, the cuttings die due to carry-over infection from infected parent plants. Life cycle and appearance of Grey mould Spores of grey mould ( Botryotinia [...] damaged plants. How to prevent Grey mould Make sure the crop grows regularly with not too much vegetative growth, in order to maintain a microclimate which [...] fuckeliana / 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

• Phytophthora blight

  enable them to move through water. Infection is usually from the root to the foot, but direct infection of the foot also occurs. Exudates leaking from growing [...] was a period of mass starvation caused by this disease which ravaged potato crops throughout Europe during the 1840s. Life cycle and appearance of Phytophthora [...] required. Dispersal is by wind and rain causes the pathogen to be returned to the soil from infected plants. Dispersal in the soil happens via water, since

• 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 [...] place as infection of the roots at the root tip or in small wounds, for example where lateral roots branch off from the tap root. How to prevent Fusarium [...] life cycle, is similar to that of most Fusarium species. Fusarium overwinters for many years in the soil and on crop residues of infected plants as chl