• Encarsia formosa

  temperatures it may be better to switch to the use of Enermix or Ercal . Consult a Koppert advisor or a recognized distributor of Koppert products for advice [...] is approximately 0.6 mm long, with a head that is dark brown to black in colour, a dark brown to black thorax, and a yellow abdomen. The male is entirely [...] Life cycle and appearance of Encarsia formosa The development of E. formosa consists of six stages: the egg, three larval instars, a pupal instar, and the

• Trianum effectively controls Pythium in cucumber

  decided to do this in response to his crop’s susceptibility to Pythium. ‘My crop gets 20 hours of light a day, which means it requires a lot of water. That [...] Trianum, levels of Phythium have decreased dramatically. Up until 2019, there was a lot of damage and loss of production at the end of cultivation. Whole [...] That larger quantity of water makes the plant more susceptible to Pythium. That’s why I needed to use Trianum as a preventative measure against Pythium

• Cottony cushion scale

  hair-like, transparent rods of wax from the body. On reaching maturity, the ‘female’ produces a white, fluted, wax ovisac with a series of uniform ridges running [...] 500 to 2000 bright-red, oblong eggs over a period of 2 to 3 months. After leaving the egg sac, the crawlers settle along the midribs and veins of the leaves [...] considered to have originated in Australia. It was accidentally introduced to California in about 1868 and devastated the citrus industry there until a natural

• Aphidend

  species/stages of aphids . Mode of action Adult gall midges emerge from the pupae and deposit their eggs in the aphid colonies. After emerging from the eggs [...] 70%) to get the best results. Combined use High densities of generalist predatory mites , especially Amblyseius swirskii , can be detrimental to Aphidend [...] typically range from 1-10 per m2/release. Releases should be repeated at weekly intervals until control is achieved. Consult a Koppert advisor or a recognized

• Mealybugs and scales

  In order to gain an adequate intake of protein, mealybugs must ingest large quantities of sap, getting rid of the excess sugars in the form of honeydew [...] species of mealybugs feed on the aerial parts of the plant, some species extract their nourishment from roots, whilst others are gall-formers. A few species [...] is usually the first sign of the presence of this type of pest. Among ornamental crops, ferns are particularly sensitive to soft scales, as are oleanders

• Obscure mealybug

  originates from South America, but can now be found in many parts of the world with a temperate climate. It has a very similar appearance to the citrus [...] an adequate intake of protein, mealybugs must therefore ingest large quantities of sap, getting rid of the excess sugars in the form of honeydew. Charac [...] by a pupa in rapid succession. The actual pupa develops inside a white, cottony cocoon. After a complete metamorphosis, a winged male emerges from this

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• Pollination under artificial lights

  September 24, 2018

  restrict light. It even informs you how to respond in the case of a snowfall, for example. Sharing knowledge As a growing knowledge company, sharing the [...] beginning to drop, growers in the higher latitudes of the Northern Hemisphere are paying special attention to their growing lights. High time to focus on [...] 2017. The company’s R&D department is hoping to announce a new feature to their Natupol range before the end of this year. Download checklist 'Pollination

• Black bean aphid

  Plant sap is rich in sugars, but has a low protein content. Aphids therefore need to extract large quantities of sap to get sufficient protein. The excess sugar [...] temperate regions, where it is a serious economic pest of beans. It is highly polyphagous, and attacks a wide range of other crops. Damage symptoms Economic [...] Life cycle and appearance of Black bean aphid Aphids have a complex life cycle, with both winged and wingless forms of adults and a great variety in colour

• Trichoderma harzianum

  sensible to soil diseases. If the crop cycle is long it is advised to perform regular applications with Trianum-P to keep a high number of change to maintain [...] the availability of resources for pathogen growth and reproduction. Parasitism of pathogens: Trichoderma harzianum produces a range of secondary metabolites [...] has the capacity to make certain 'fixed' nutrients such as manganese and iron available for the plant to absorb. As a result, it provides a natural and e