• Operation Mealybug

  reduces flower and fruit production; In ornamental crops, the mere presence of mealybugs is sufficient to render the product unfit for sale. A very small [...] enemy in the fight against the mealybug is the predatory beetle Cryptolaemus motrouzieri , available under the product names Cryptobug and Cryptobug-L . The [...] are not guaranteed to remain in the same spot where they were applied. Koppert therefore now supplies them in the larval stage, under the product name

• Adapting Quickly Guarantees ‘Tomato Success’

  April 30, 2019

  system. This is why the new season actually starts at the end of the current cultivation cycle. During the last six weeks before the harvest it is time to start [...] good start to the season is half the battle. The end of the crop rotation circle has become increasingly important, as this is the only opportunity for [...] newly planted bays. Starting new crops The next step is the preventative hanging of Rollertraps , which is most easily done in an empty greenhouse before planting

• Sized for Success: Introducing the 125k Entomite-M for Cost-Efficient IPM!

  November 30, 2023

  frequent bouts of waterlogged media. This is why Koppert typically recommends waiting until after mist propagation is finished before introduction for best [...] bottle sizes of Entomite-M ( Stratiolaelaps scimitus ) have been staple IPM products for years, and now we're extremely excited to grow the family and add on [...] container and pumped up the numbers, we went back to the drawing board on our production system and managed to drastically increase the concentration. We're keeping

• The Spread of Whitefly

  August 14, 2020

  insects will fly to another plant in search of somewhere to lay their eggs. There is also a threat of spread due to an attack from outside the greenhouse. In [...] source of contamination is already infested plant material brought in from elsewhere. Although the greenhouse whitefly does not have any particular ove [...] fifteen days at -3°C/26.6°F and five days at -6°C/21.2°F). By contrast, the life of the greenhouse whitefly is relatively short in very high temperatures

• Tomato Disease Top 10 Topped by mildew and Botrytis

  May 30, 2019

  straight wound surfaces (they dry faster than frayed wounds). There is also a whole range of products to make the plant stronger. Additional fertilization with [...] conditions: on wet plants or when the humidity is very high. Wet wounds are also a favourite. Chemical intervention is unavoidable in the event of a serious attack [...] attack. But before that happens, there are many other possibilities. Step one is to prevent favorable conditions for germination. Specifically, this means

• WARNING: Bumblebees – Keep them Cool this Summer!

  July 2, 2019

  ‘All that growers worldwide need to do is to take account of their local conditions and make sure the temperature is such that the bumblebees can concentrate [...] recommendation is to take two pallets and form an 'A' frame type of structure above the hive, as can be seen in the picture below. Then there are some growers [...] of keeping the hives shaded. A second method that is also known to help in keeping the hive cool is by digging a large enough hole for it to fit. Usually

• Protect Crops Against Redheaded Flea Beetle

  January 16, 2025

  reach that stage is too late. For the best treatment options the key is to target beetles at the vulnerable larval phase, when there are high numbers of [...] the soil. Timing of the application can be important for the products’ efficacy, and there are a few different methods for getting deep down to where the [...] Connect with us to schedule a site visit Crop Protection Beneficial microorganisms Beneficial nematodes It’s never too early for nursery growers to stay

• Trianum effectively controls Pythium in cucumber

  to biological methods. That’s why I now use fewer and fewer chemicals,’ he explained. The biggest threat to his crop is thrips , especially during the [...] susceptible to Pythium. That’s why I needed to use Trianum as a preventative measure against Pythium.’ Less damage, less production loss Since he started using [...] Phythium have decreased dramatically. Up until 2019, there was a lot of damage and loss of production at the end of cultivation. Whole mats and whole rows

• Municipality Doetinchem: Entonem nematodes managing oak processionary caterpillar

  using Koppert’s nematode product Entonem . A major advantage is that the bycatch of other caterpillars is much lower, which is a great benefit to biodiversity [...] There are many oak trees in the forests and plantations around Doetinchem. Marc van Rijswijk is the spokesman for Buha, the implementing organization for [...] management became necessary. ‘We think it is important to maintain the biodiversity in the centre, and public opinion is quite sensitive to spraying here. We

• Vine mealybug

  The male is smaller (1 mm), dark orange in color with long tail filaments and transparent wings and has no mouthparts. The female is larger (3 mm) and [...] Pseudococcidae, and is also known by the names Mediterranean vine mealybug and Grapevine mealybug. As the name indicates, this mealybug is mostly found on [...] defoliation. The overall effect is a reduction of photosynthesis and therefore the yield. Flowers and fruit often drop off. Plant sap is rich in sugars, but low