• Veni Biosulfur

  from 1-3 litres/ha. Applications should be repeated a number of times. Consult a Koppert advisor or a recognised distributor of Koppert products for advice [...] increases the amount of sulphur taken up by the plant. Sulphur is an essential building block in plant metabolism for the formation of amino acids, proteins [...] pH of the solution should be between 5 and 7 Application Apply as a foliar spray Use a fine nozzle ( After application rinse the nozzles thoroughly to prevent

• Pollination under artificial lights

  December 18, 2018

  coatings, screens and filters in greenhouses that may inadvertently restrict light. It even informs you how to respond in the case of a snowfall, for example. [...] improved bumblebees’ orientation capacity by 12% in 2017. The company’s R&D department is hoping to announce a new feature to their Natupol range before the [...] have on the pollinators doing their job in your greenhouse! Koppert Biological Systems has just brought out a useful manual and informative poster that

• Poinsettia. Main pest pressures

  May 21, 2019

  on the young roots of the plants, and can then progress into the stem, if not controlled adequately. Control Strategy at Propagation (un-rooted cuttings) [...] nematodes per m 2 of cultivated area Apply at 2, 5 and 8 days after planting; this is key to ensuring that cuttings can form roots without being damaged, and after [...] whitefly, Trialeurodes vaporariorum , and the tobacco whitefly , Bemisia tabaci , a non-native notifiable pest, are reported to be the main pest pressures. However

• Hunting season starts early with Anso-Mite

  February 16, 2021

  comes in to fill the gap early in the growing season.’ Natural range and crop Anso-Mite is a naturally-occurring species in many countries and is found [...] USA, Canada, and parts of Africa and Asia. It is a cold-tolerant predatory mite that is found on crops in outdoor cultivation and naturally occurs on strawberry [...] fruits. It is also spontaneously found in orchards and tree nurseries, vineyards, rose and Buxus. Although it is mostly found outdoors, it is also reported

• Biological solution against green shield bug

  June 23, 2021

  products, in combination with climate change, has resulted in an increase in the level of infestations in greenhouses. Controlling the green shield bug is a [...] aubergine and cucumber greenhouses in southern Europe. This pest is also gaining ground in heated, high-tech greenhouses in north-western Europe and central [...] have a biological solution for our customers in our sights. Our international team is putting all its efforts into ensuring growers can be offered a suitable

• Natutec Drive – On the road to precision biological control

  March 10, 2021

  row systems. 'There is the towed version of Natutec Drive that can be drawn behind a moving vehicle, a fully autonomous pipe rail, and a module that can be [...] Natutec Drive is also being used by soft fruit grower, Keelings, in Ireland. Their farm manager, Dennis Keny: 'Natutec Drive is working like a dream so far [...] Natutec Drive – is now being used with success by growers in the UK, Ireland and the Netherlands. Demo trials are currently being set up in Germany, France

• Fusarium head blight or scab

  General 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 [...] Some also produce ascospores. In general, most Fusarium specieshave a similar life cycle. Fusarium overwinters for many years in the soil and on crop residues [...] clean substrate in greenhouse crops Disinfect tools, machinery and irrigation water in greenhouses Prevent stress for the plants Ensure there is adequate soil

• Wheat bunt

  kernels, which in turn become a source of disease in the next season. Infection is strongly correlated to temperature and precipitation in the first 11 days [...] General Tilletia tritici and Tilletia laevis only differ in one gene and easily hybridize. There is debate whether they should indeed be considered separate [...] on all spikelets, showing the bunt (smut spore) they contain, which is larger than a normal kernel. The bunt balls are grey-brown. They rupture at harvest

• Early blight

  General The only known stage in all Alternaria species is the asexual stage. Conidia and mycelium overwinter in the soil and on crop residues and cause [...] and at a relative humidity (RH) of over 90% or when the leaves are wet. Small differences in optimum temperature occur between species, but in general [...] st storage at 0-1 o C. A. brassicae and A. brassicicola : adjust the sowing date to avoid conditions conducive to infection. In greenhouses: avoid high

• Cottony soft rot

  as cottony soft root, is a plant pathogenic fungus. It has a very wide range of host plants. Damage symptoms The first symptoms of a cottony soft root ( [...] Sclerotinia sclerotiorum ) overwinters as sclerotia and mycelium in dead and living plant material in or on the ground. Sclerotia germinate at temperatures between [...] whereas the ascospores infect the above-ground plant parts. In greenhouses, usually only mycelium is produced by the germinating sclerotia. The fungus grows