• SWD

  May 8, 2019

  areas from March onwards, at a minimum density of 10/ha (1/1000 m²) Fill each trap with 200 ml of attractant (there is a helpful marker line inside the [...] Pherodis Fruit Fly Attractant Spotted wing drosophila (SWD), a native of south-east Asia, is now a widespread and serious threat to soft and stone fruit crops [...] ensures that there is ample time for control measures to be put in place, before egg-laying commences as the crops reach the most vulnerable stages of attack

• Strawberry aphid

  strawberry aphid, Chaetosiphon fragaefolii , has a cosmopolitan distribution and is the most important aphid pest of strawberries. It can cause direct damage by [...] Damage symptoms Chaetosiphon fragaefolii is one of the most serious pests affecting strawberry plants. Direct damage is caused by the aphids sucking sap from [...] honeydew. The strawberry aphid is an important vector of several plant viruses affecting strawberries. Life cycle and appearance of Strawberry aphid Aphids moult

• Bacterial soft rot, bacterial stem rot

  Stem rot is first noticed when plants wilt at the time of first harvest or after that. The pith disintegrates and the stem becomes hollow. Because of the bacterial [...] subsp. carotovora has recently been renamed Pectobacterium carotovora . It is one of the pectolytic bacteria causing extensive bacterial rots (bacterial soft [...] cycle and appearance of Bacterial soft rot, bacterial stem rot Erwinia carotovora subsp. carotovora or Pectobacterium carovora is very common, but does

• Casea

  as it is prepared and within a short timeframe. Do not store mixed suspensions Dosage Casea is typically applied against foliar pests at a rate of 1 to [...] solutions As a general rule for tank mixing, always add the nematodes to a fully filled tank containing the compatible product The product is safe for most beneficial [...] agitation of mixture in the tank (e.g. with a recirculation pump) Fill the spray tank with the required amount of water If tank mixing with a compatible

• Effective control with Chrysopa-E!

  and Echinothrips, so this is a natural enemy with a big menu in that respect. Chrysopa-E is suitable for a wide range of crops and Koppert has conducted [...] are delivered in a 90 ml canister containing 100,000 eggs, so there is a huge gain in terms of transport volume and the supply chain is more sustainable [...] expense. It is possible for you to use many more beneficials and thus gain better control of pests, with a better return on investment. Chrysopa-E is also suitable

• Mottled arum aphid

  aphid, Neomyzus circumflexus , has a cosmopolitan distribution and a wide host range. In temperate climates it is primarily a pest in greenhouses where it attacks [...] they produce large amounts of honeydew, which provides an excellent substrate for the growth of black sooty mould. Large areas of mould covering the leaves [...] Reproduction of the mottled arum aphid is entirely by parthenogenesis, with unfertilized viviparous females continuously producing new generations of females

• Broad mite

  typical pattern of damage consists of malformation and distortion of the above-ground growth of the plant. The mites show a preference for young, developing [...] attack of broad mite ( Polyphagotarsonemus latus ), is the appearance of dark brown edges at the base of young leaves. In case of a mild infestation, one [...] brown stripes forming a fine network on the leaves. In case of a more serious infestation, this network becomes so dense that there is no more green tissue

• Expanded board to strengthen development at Koppert Biological Systems

  December 18, 2018

  Systems has increased the size of its board in response to the projected growth of the Dutch family company. Koppert is a global specialist in biological [...] areas in which the company operates. In addition to the expansion, there is also a shift within the management. Founder Peter Koppert and advisor John [...] Ready for the future ‘Our rapid growth and the need for specific divisions like Horti, Agri and live stock, made us realize that it was time for change

• 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 [...] greenhouses Prevent stress for the plants Ensure there is adequate soil drainage Apply nitrogen in the form of nitrate instead of ammonium Prevent damage [...] general, most Fusarium specieshave a similar life cycle. Fusarium overwinters for many years in the soil and on crop residues of infected plants as chlamydospores

• Pollination checklist Growing lights

  daylight) there is for the bumblebees to pollinate. For pollination, bumblebees need at least 28 Watt/m2 PAR light near the hive and the presence of Ultraviolet [...] will have a negative effect on the development of the hives. 10:00 1! Bumblebees need max. 2 hours to return to their hive 15:00 Do not keep a hive closed [...] closed for longer than one day unless additional pollen is fed to the bees. Bumblebee pollination of preferably at least 4 hours per day 12:00 11:00