• Amazone Plants continues the path of organic cultivation

  anthurium thrips as the current thrips predators are not sufficiently effective against these pests. The company therefore sprays a product of natural [...] involved in a trial in which we are investigating whether Chrysopa eggs are effective at tackling the two thrips varieties. Hopefully, it will be a success.’ [...] and the Aphidend gall midge, which, according to Lex Scheffers, is very effective. The predatory soil mite and thrips predator Macro-Mite is also used to

• Getting a head start - The importance of scouting in winter

  January 31, 2025

  season. Monitoring effectiveness: After releasing biological control agents, continued scouting is essential to assess their effectiveness. Monitoring helps [...] particularly effective when combined with vigilant scouting practices. Targeting early-season pests: Many biological control agents are effective against common [...] further interventions are necessary. Scouting techniques for effective pest scouting Effective pest scouting involves a combination of visual inspections

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

  September 1, 2023

  protocol therefore focuses on Aphipar-M, which is more effective. ‘We have already proved its effectiveness in the lab, and are now doing cage and field trials [...] Koppert Have Discovered Quick & Long Term Strategies To Control Myzus Persicae After a thorough diagnosis of the new strain, Koppert’s R&D established two approaches: [...] our R&D team in Spain found a new parasitic wasp species that is more effective. We are also testing entomopathogenic fungi that grow on aphids and a ladybird

• Caterpillar control in greenhouse crops

  June 20, 2019

  comparable. Females lay eggs on leaves either in groups or individually. After leaving the egg, caterpillars then feed and moult. Once fully-grown, caterpillars [...] areas at the beginning of the season can help with identification, and effective spray applications. Controlling weeds is also important, as these can act [...] follow the safety precautions on the label. Recommended for you Trianum effectively controls Pythium in cucumber Tree specialist Wolterinck: Control of oak

• Cabbage moth

  flies only at dawn and dusk, hiding in the crop during the day. Several days after emerging from their pupae the female moths lay clusters of 20 to 100 eggs [...] transparent yellow to grey-green with a characteristic brown-black head capsule. After the third moult, the caterpillar is green with a dark back and thick, yellow

• Horse-chestnut leaf miner

  are not removed in the autumn, trees are usually totally defoliated, year after year. Life cycle and appearance of Horse-chestnut leaf miner The adult moth [...] adults in spring occurs in April and May, depending on climatic conditions. After mating, each female may lay up to 180 eggs singly on the upper part of the

• Combating Strawberry Aphids with Aphiscout

  March 15, 2019

  which the adult wasp will emerge after a short period The first mummies will be visible in the crop around two weeks after the parasitic wasps have been [...] leading to a reduction in the rate of photosynthesis. Collectively, these effects can have a negative impact on strawberry plant quality and crop yields. [...] the host Mode of action: Female parasitic wasps prey on the aphids Visible effect: Parasitized aphids swell up and solidify into a leathery black, grey or

• Beneficial nematodes

  developing through multiple juvenile stages into mature adults. Emergence: After consuming the host insect's tissues and the bacteria, thousands of new nematodes [...] species include: Steinernema feltiae : These cold tolerant nematodes are effective against a wide range of soil-dwelling pests, including fungus gnats , vegetable [...] vegetable crops. Steinernema carpocapsae : This species is known for its effectiveness against pests such as wireworms, various caterpillars , and weevil and

• Artificially lit crops pollination advice

  when insufficient daylight occurs (particularly 4 to 10 weeks before or after the shortest day, depending on latitude and environment) rapid decline in [...] bumblebees are allowed to fly between 10:00 a.m. and 2:00 p.m. (4 weeks before/after the shortest day), with an additional half-hour per week. For optimal pollination [...] reflects 90% of UV-light. When snow covers the greenhouse, it acts as an effective UV filter, affecting pollination . Monitor pollination and consider introducing

• Garden chafer

  fine roots of grasses. Third instar larvae can also feed on bigger roots. After the roots have been destroyed the larvae move into corms, rhizomes and stem [...] Females start to deposit eggs into the soil at a depth up to 5 cm soon after mating. The eggs elongate at laying but in time become nearly spherical through