• Perfect Potted Hydrangeas for Super-Strict Customers

  December 6, 2019

  Albert Heijn. Potted hydrangea cultivation is complex. Once the cutting material has arrived from Portugal, there is a propagation period. Then, when the shoots [...] by the result." For Pieter, the greatest threat is not in the shrinking number of pest control products or more stringent rules, but in the lack of uniformity [...] are no exception, and here too, biology is becoming increasingly significant. Dutch plant nursery P. van Geest is extremely satisfied with the work of the

• Optimum Conditions for Bumblebees

  April 5, 2019

  bumblebees cannot see. If there is little natural light, they are reliant on the grow lights in order to find their way around. That is not easy: finding the hive [...] hives are equipped with all kinds of innovations. Horticulture is changing, and the system is changing with it. Amongst other aspects, the increase in the [...] temperature. The difference between this and the 'standard' Natupol system is that there are more bumblebees in the hive, they are given more sugar water, and

• A life-long commitment to help growers thrive with sustainable growing practice

  December 10, 2024

  both locally and abroad. The connection between product, crop and consultant is close, so that the produce is optimal by harvest time. This requires knowledge [...] between our products and different crops. Our consultants have a long training period and their knowledge is continually updated.’ While Rianne is a specialist [...] our microbial products such as nematodes and fungi which combat pests and diseases but can also support plant health . ‘A healthy plant is far more resilient

• Effective Biological Control: Keep a Close Eye on Everything

  April 9, 2019

  reproducing or not. Monitoring – systematically keeping track of how the situation is developing – is therefore crucial. In fact, this is the cornerstone [...] Easier with these Monitoring Products Horiver Wetstick Horiver Rollertrap Deltatrap Koppert IPM app Biological control is much more effective if you have [...] have a clear picture of what is happening. You should establish whether the infestation is getting worse or diminishing, or whether the beneficials feel

• Frequently Asked Questions about Bumblebees

  November 15, 2018

  honeybees, they do not have to save enough nectar to survive the winter (since the queens hibernate alone during winter). Moreover, bumblebees do not use an organized [...] nuisance, and do not affect the viability of the bees. Animals, such as bears, can pose a more serious threat. If bears are present, it is recommended that [...] What is the difference between honeybees and bumblebees? In terms of their strong natural pollination qualities, bumblebees and honeybees complement each

• Does Swirskii Really Do What it's Intended To?

  June 5, 2019

  Swirskii Predatory Mite Not All That Demanding We admit that biological control often takes some getting used to. When using chemical products, you immediately [...] you're on the right track. Supplementary Feeding for Predatory Mites If there is too little food for the predatory mite, it will starve. This sounds logical [...] offspring. As such, you would always have to use new predatory mites . But there's another solution: you can feed them with feeding mites. This way, you prevent

• Black vine weevil

  approximately 12 mm. A larva is often curled into the typical C-shape which it assumes whenever it is disturbed. The body is covered with stiff white to [...] long. Outdoors there is a single generation each year. A population of black vine weevils consists entirely of females and reproduction is by parthenogenesis [...] taking round bites out of the leaves, starting from the edge. This damage is usually not a problem in vegetables and fruit crops but reduces the value of ornamental

• RedStar places trust in Natutec Scout

  seeing the trend. Is the level of whitefly infestation staying the same or is it going up or down? I want to see that at a glance. If there is an increasing [...] accurately. Whitefly is now very accurately recognized. I now have more trust in the result.’ From Jan’s point of view, it is not even about the exact [...] level of infestation pressure is now visible in easy-to-understand graphs. ‘It's about that line. Is it going up? Down? Or is it staying the same? That's

• Ten facts about Fusarium

  December 9, 2021

  vary widely and are not always easy to recognize. We have compiled a list of ten facts about Fusarium that are important to know. There are many different [...] inside the plant vessels resulting in the wilting that is characteristic of this infection. This fungus is incredibly hardy and can survive in the soil, on crop [...] substances. Once the plant has been infected with Fusarium , it is very difficult to treat. It is therefore essential to try everything possible to prevent infection

• Municipality Venray: biological control of oak processionary caterpillars

  of the tree stock in the area, some 11,000 trees, is oak. ‘We’ve been using Koppert’s nematode product Entonem as a curative measure against the oak pr [...] locations in outlying areas where there might be protected species of butterfly and moth. The major benefit of Entonem is that nematodes kill fewer other [...] caterpillars , which means they are less harmful to biodiversity. This is something that is high up on the political agenda, as well as being an important social