• Combating Strawberry Aphids with Aphiscout

  March 15, 2019

  at least 16 o C, for a few hours a day. Aphiscout contains 5 selected parasites Five species in one application. Aphiscout contains a mix of five aphid parasite [...] ent of ‘sooty moulds’, leading to a reduction in the rate of photosynthesis. Collectively, these effects can have a negative impact on strawberry plant [...] all aphid species that can occur in commercial strawberry crops. The strawberry aphid ( Chaetosiphon fragaefolii ) is a threat, due to its ability to transmit

• World Soil Day 2022

  December 2, 2022

  chemical agents to combat pests and diseases in a way that does not impact on soil life. In this we are a partner of the UN’s Sustainable Development Goals [...] soil nutrient loss is a major degradation process threatening nutrition. It is recognised as being among the most critical problems at a global level for [...] growing challenges in soil management and encouraging societies to improve soil health. Held on the 5th of December, this year’s theme is: ‘Soils: Where Food

• Fit roots for plant health Technical bulletin 2020 EN

  drain holes in a slab give a more even water- and mineral pattern in the slab. The composition of the nutrient solution in the root zone is frequently monitored [...] elaborates on the micro life in the root zone which is often underestimated in the current practice but plays a key role in plant health and resilience [...] water. But that is not the only factor. The pH in the root zone solution has much influence on the availability of each nutrient in a different way (see

• Tobacco whitefly

  whitefly need a lot of protein for growth, and thus consume a large quantity of plant sap. This contains a high proportion of sugar, and the excess is excreted [...] the population is very large, feeding on plant sap can affect the physiology of the plant, as a result of which growth is retarded. In full sunlight, leaves [...] insect was first identified on tobacco in Greece in 1889, hence the name tabaci . It has subsequently been found in most tropical and subtropical countries

• Effective spider mite control with predatory mites

  Phytoseiulus persimilis Phytoseiulus persimilis is a specialist predator of spider mites , it is extremely effective in controlling outbreaks under warm and humid [...] pests in horticulture, damaging crops rapidly and thriving in hot, dry conditions. Their resistance to chemical pesticides makes biological control a critical [...] chemical tools in an IPM program. Koppert: expert in predatory mite solutions Koppert offers solutions for both preventive and curative applications in crops such

• Tomato leafminer

  or on the surface of a leaf, in a curled leaf or in a mine. If they leave the mines they build silk cocoons on the leaflets or in the soil. When pupation [...] leaf miner (Tuta absoluta), a major pest of field- and greenhouse-grown tomatoes, belongs to the family of Gelechiidae . It is oligophagous, feeding mainly [...] emerging. They mine inside the leaf, stem or fruit. In the second to fourth instars they become greenish with a black band behind the head. The prepupae of the

• European biocontrol industry proposes new EU regulatory framework

  December 18, 2018

  Meeting in Basel, Switzerland, the IBMA published a White Paper that urges the EU to establish a bioprotection-specific body to develop and implement a short [...] regulation for the biocontrol industry in a White Paper that it has presented to the European Union. It proposes a new EU regulatory framework for bioprotection [...] IBMA and others have not been successful due to the European Commission which is reluctant to move forward. An example of this is the repeal of the resolution

• Cryptolaemus montrouzieri

  montrouzieri is a species of beetle belonging to the family Coccinellidae. The beneficial insect is a small but highly effective predator in biological pest [...] can disperse over a large area in search of prey. Although Cryptolaemus montrouzieri prefers mealybugs, this species is known to be a polyphagous predator [...] beetle is most effective in controlling large populations of mealybugs. Once the supply of mealybugs becomes inadequate, the ladybirds fly off in search

• Onion fly

  What is Onion fly? The onion fly ( Delia antiqua ), also referred to as the onion maggot, is a frequent pest that harms allium plants, including leek, [...] garlic, and onion crops. It is a small fly, measuring between 5 and 7 mm long, with a grayish-yellowish body and clear wings. The eggs are laid by the [...] because the signs may not always be visible. But there are a few symptoms to watch out for. The wilting or yellowing of onion leaves is one of the most obvious

• Spical

  citrus red mite ( Panonychus citri ); other spider mite species. Crops Do not use in tomato. Mode of action Predatory mites use their piercing mouthparts to [...] should be repeated at least five times at weekly intervals. Consult a Koppert advisor or a recognised distributor of Koppert products for advice on the best [...] al conditions Neoseiulus californicus is most effective at temperatures between 13 and 32°C (55 and 90°F) and is sensitive to relative humidity below 60%