• Citrus mealybug

  poses a problem in greenhouse horticulture, and in the tropics and sub-tropics on outdoor crops. The insect causes damage especially in fruit trees and [...] reduced level of photosynthesis in the leaves also reduces flower and fruit production. In ornamental crops, the mere presence of mealybugs is sufficient to [...] so that the light yellow to pink body is visible through its waxy covering. There is often a darker longitudinal stripe running over the body. The adult

• Optimum Conditions for Bumblebees

  April 5, 2019

  Horticulture is changing, and the system is changing with it. Amongst other aspects, the increase in the use of assimilation lighting in tomato crops required [...] 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 [...] they are reliant on the grow lights in order to find their way around. That is not easy: finding the hive takes a lot of time and the bumblebees are almost

• Trianum-G

  of action of Trianum-G is based on the following mechanisms: Competition for space Trianum-G grows faster on the surface of the root than other soil-borne [...] be used in most crops. Availability Trianum-G is registered for sale in the following U.S. states and territories: CA, MI, KY Mode of action The mode of [...] chance to establish on the roots. Competition for nutrients Trianum-G takes away the source of nutrients that the pathogens need. The pathogens therefore

• Koppert celebrates 50th anniversary

  January 5, 2018

  fiftieth anniversary. On Thursday, directors Henri Oosthoek and Paul Koppert announced the start of the anniversary year at the headquarters in Berkel en Rodenrijs [...] with employees. The anniversary will be celebrated with various activities over the year. For instance, the family company is organising an open day at its [...] also improve the health and nutrient levels of the soil, allowing growers to drastically reduce their use of artificial fertilizer. This is an important factor

• Poinsettia Cultivation Has To Apply IPM

  June 27, 2019

  results that are being obtained in Canada here in the Netherlands and other countries in Europe. The use of the flower in Christmas floral displays makes [...] Clean with an IPM Based Program IPM: The Answer to the Challenges of the Future IPM: The Path to a Successful Approach Koppert IPM app The How and Why [...] Why of IPM NatuGro in strawberry Chemical crop protection is not sustainable, regardless of the sales market. Now is the time to make the transition. ‘Those

• Protect Poinsettias From Whiteflies

  April 15, 2025

  throughout the growing cycle. This detailed review of the benefits of an IPM program for the poinsettia grower explores the aim of the program, its advantages [...] plant is barely sticking out of the soil. An IPM program starts from the roots, works its way to the foliage, and helps monitor for invasive pests throughout [...] keeps them pinned down from the very first week the crop hits the facility. Koppert’s poinsettia experts can help figure out the best timing and application

• Thrips: a tiny pest with big consequences

  February 2, 2023

  thrips employ the same strategy: they prick the upper cells of a plant and suck them dry. The drained cells then fill with air and take on a silvery color [...] difference in where the thrips congregate and feed on the plant, as each type of thrips has its own 'favourite spot.' Western flower thrips , for example [...] brown stripes on the fruit. The onion thrips can also cause deformed fruits. But the leaves are fair game, too, with many species of thrips attacking this

• Thrips

  deposits an egg, she makes an opening in the plant tissue. The eggs are laid in leaves, flower petals and in the soft parts of stalks. On the leaves of [...] hatching, the larvae begin to feed on plant tissue on the underside of the leaf. The larvae are smaller than the adults and lack wings. Depending on the species [...] pupate on the plant or in the ground. The pre-pupal and pupal instars are recognizable by their developing wing buds. Compared with the pre-pupa, the pupa

• Whitefly

  the longer the hairs on the leaf, the longer the hairs on the insect. In other words, the larva adapts itself to the structure of the leaf on which it lives [...] stage, the insect finally becomes flatter, then subsequently fatter, and the cuticle hardens. The growth of hairs on the insect depends on the leaf: the [...] lives. On very hairy leaves, the larva can sometimes become deformed if the growth is obstructed by the stiff hairs. As soon as the red eyes of the adult

• Larvanem

  ) Mode of action The nematodes enter the pest and release symbiotic bacteria into the pest's body cavity. These bacteria convert the host tissue into a [...] carrier. Preparation Remove the sachets from the box and keep them at room temperature for 30 minutes Empty the contents of the sachets into a bucket containing [...] litres of water per sachet (water temperature: 15-20°C/59-68°F Stir well and leave the contents to soak for five minutes Stir again and pour the contents