• Mealybugs and scales

  (the true bugs ). Coccoidea are at first sight barely recognizable as insects. The females are wingless and immobile, and covered with a hard scale (armoured [...] growing on this honeydew, which, as well as the white, waxy secretion of the mealybugs, reduces the ornamental value of the affected plants. Fruit and flowers [...] flowers and fruit are concerned, these often drop off; plant sap is low in proteins and rich in sugars. In order to gain an adequate intake of protein

• Laeveld_Agrochem_GROEI_20_-_Winter_2022.pdf

  die druppel. 7 DAE 14 DAE % SIEKTEBEHEER GEMIDDELD OOR 3 PROEWE Standaard OH P HO HO P OH OH OH HO O HO P OH P OH Figuur 4: Die stappe waardeur [...] top-quality oil. (Amaral et al., 2003; Kaijser et al., 2000; Miraliakbari and Shahidi, 2008a, 2008b; Robbins et al., 2011; Wall, 2010.) 32 GROEI Product registration [...] rekord van meer as 140 miljoen kartonhouers sitrusvrugte na meer as 100 lande uitgevoer het. Dit is ’n toename van 13% en het meer as R20 miljard opgelewer

• Spidex Vital: Your Vital partner in spider mite control

  These factors combined give an increased hotspot control in your crop. Improved egg laying capacity As Spidex Vital has continuous access to nutrition [...] Even more impact on spider mite control! It all started with Spidex ( Phytoseiulus persimilis ) at Koppert more than 50 years ago. From day one this predatory [...] foundation of our spider mite control. Over time it grew to be one of the most important products for our growers. As the result of many years of research

• Fusarium wilt

  place as infection of the roots at the root tip or in small wounds, for example where lateral roots branch off from the tap root. How to prevent Fusarium [...] cycle, is similar to that of most Fusarium species. Fusarium overwinters for many years in the soil and on crop residues of infected plants as chlamydospores [...] Fusarium is a group of soil-borne fungi with many different species. Fusarium is widespread and can infect a range of host crops. Many species are considered

• Aphidius matricariae

  natural enemy Aphidius matricariae is available at Koppert as Aphipar-M . Aphidius matricariae products Aphipar-M Expand all items How to use Aphidius matricariae [...] moved from its introduction site for at least a few days The dosage of Aphipar -M depends on climate, crop and aphid density and should always be adjusted [...] planting of the crop. Introduction rates typically range from 0.25-4 per m 2 /release. Releases should be repeated at least 3 times. Consult a Koppert advisor

• Grow your own vegetable garden

  Food and Agriculture Organisation of the United Nations defines food security as “ a condition within which all people have access to adequate and safe [...] food at all times in order to meet their dietary needs to enable them to lead a healthy and active life.” According to a 2017 study, nearly 20% of SA households [...] commercial or emerging farmer. An increase in the involvement of households in agricultural activities for subsistence farming purposes has the potential

• Damping-off

  for example by too much water, too high or low temperatures or sudden fluctuations in temperature. Pythium aphanidermatum mostly occurs at higher temperatures [...] damping-off disease. In slightly older plants, the leaves lose their turgor or the leaf tips turn yellow, for example in flower bulbs. At first, the plants [...] the Oomycetes, a separate group of microorganisms and is therefore not a real fungus. It survives as oospores, resting spores which are resistant to u

• Long-tailed mealybug

  places such as auxiliary buds and prefers a warm, humid environment. Damage symptoms Mealybugs inflict damage on the crop in various ways: Nymphs and females [...] the yield. Flowers and fruit often drop off. Plant sap is rich in sugars, but low in proteins. In order to gain an adequate intake of protein, mealybugs [...] cycle and appearance of long-tailed mealybug The long-tailed mealy bug is easily recognized by the long, posterior tail filaments, which are at least the

• Encarsia formosa

  available at Koppert as En-Strip . Encarsia formosa products En-Strip Expand all items How to use Encarsia formosa The parasitic wasp Encarsia formosa is available [...] formosa is most effective at temperatures between 20°C and 25°C (68 and 77°F). At a 24 hours average temperature below 17°C/63°F the control of whiteflies [...] become an important natural enemy for farmers and gardeners aiming to reduce the reliance on chemical pesticides. Encarsia formosa is used for the control

• Privacy Statement

  form on the website or contact us directly at privacy(at)koppert.com . Address: Koppert Postbus 155 2650 AD Berkel en Rodenrijs Nederland Tel.: +31 (0) [...] shows all the personal data collected for each visitor, as well as a timeline that shows which pages the visitor has viewed and what the visitor has done [...] computer and the banner will no longer appear as long as the cookie is active. After the end of the cookie’s service life or if you delete the cookie, the