• Oak processionary moth

  cycle and appearance of Oak processionary moth The adults have grey forewings with white and darker grey markings and a wingspan of ca. 30 mm. The adults emerge [...] emerge and fly between the end of July and mid September. The eggs (with up to 300 eggs per batch) are laid in contiguous rows along one to two year old

• Damping-off

  Pythium infection is the easy stripping of the skin from the root cortex with a finger nail. Life cycle and appearance of Damping-off Pythium belongs to [...] sporangia from which subsequently zoospores are produced. Zoospores are spores with flagellae, which enable the spores to move through water. The zoospores are [...] through other similarly damaged spots. On the infected plant, new sporangia with zoospores are formed, that allow the disease to spread to neighbouring plants

• Koppert’s Mirical Wins Prestigious Innovation Award

  February 13, 2024

  monitoring purposes. Generalist Pest Predator Mirical is a generalist predator with a preference for greenhouse whitefly ( Trialeurodes vaporariorum ), tobacco [...] has been lauded by growers for its improved performance and ease of use, with some growers reporting a reduction in application time of 50%. Learn more

• Carnation tortrix

  an olive-green to bright or yellow green colour, with a black head that later turns yellowish brown with dark spots. After emerging, they move or are carried [...] rather small. The contrasting colours between the yellow to purple forewings (with a dark brown band in the females and two red bands in the males) and the

• Cabbage leafroller

  The body is drab brown with lateral stripes that are sometimes light in colour. The ventral surface is lighter than the dorsal, with hairs located in warty [...] leaves together such that subsequent growth leads to an untidy roll of leaves with large feeding holes. Caterpillars can also bore into the plant: young ca [...] of Cabbage leafroller An adult female is 12 mm long and is ochre-yellow with darker markings. The male is slightly smaller and slimmer, more clearly marked

• Tomato moth

  forewings of adult tomato moths (Lacanobia oleracea) are a reddish-brown with a feint light brown, kidney-shaped marking, and a thin, toothed white line [...] most noctuid moths, the hindwing is greyish and lighter than the forewing, with a darker shadow at the margin. The antennae are long and thin. Head and thorax [...] green in the first two larval instars, later becoming white to grey-brown with mottled markings. The pattern of markings on the larvae varies according

• Tomato leafminer

  leaf, stem or fruit. In the second to fourth instars they become greenish with a black band behind the head. The prepupae of the tomato leaf miner ( Tuta [...] emergence. Adult moths of the tomato leaf miner ( Tuta absoluta ) are grey-brown with filiform antennae, alternating light or dark segments and recurved labial

• New Strain Of Green Peach Aphid, Myzus Persicae, Requires More Aggressive Beneficial Insects

  September 1, 2023

  Faced with the Green Peach Aphid, growers have been experimenting with a number of new pesticides for corrective control, but the interaction with biocontrol [...] started having serious problems with Myzus persicae in the season of 2021. Biological control agents and pesticide applications with Flonicamid were no longer [...] compatibility of these pesticides with biocontrol agents will be researched too. ‘We will be doing side effect research with these new compounds on selected

• Koppert UK Conference: 19th October 2023

  August 25, 2023

  across the UK to enhance yields and improve production. An Opportunity To Chat With Experts The conference will feature an impressive gathering of minds as our [...] opportunities, this conference will provide the perfect opportunity to engage with experts and find the answers. There will also be an opportunity throughout

• Pierce's disease of grapevine

  example, transfer from infected plum trees with high bacterial levels in the leaves to neighbouring peach trees with the bacteria mainly in the roots is much [...] results in leaf scorch. Part of a green leaf suddenly dies and turns brown with adjacent tissue turning yellow or red. This desiccation spreads and the whole [...] stunted. When the infection becomes chronic, the leaves become distorted with interveinal chlorosis and the shoots get shorter internodes. Infected vines