• San José scale

  branches, leaves, and fruit, removing plant sap and weakening the tree. Heavy infestations can reduce tree vigour, lower fruit quality, and significantly decrease [...] favor rapid population growth and increased spread throughout the orchard. Management of San José scale Effective control of San José scale requires an [...] (Comstockaspis perniciosa) is one of the most economically important scale insects affecting apple and pear orchards. Both nymphs and adult females feed by inserting

• Neoseiulus cucumeris

  deutonymph and adult. Eggs are laid on the underside of leaves on leaf hairs or in the axils of main and side veins. They are oval, white and have a diameter [...] for use of Neoseiulus cucumeris Neoseiulus cucumeris is most effective at temperatures between 15 and 25°C (59 and 77°F). It is not effective at temperatures [...] out and prey on the first instar larvae of various thrips species. Feeding behaviour of Neoseiulus cucumeris Predatory mites pierce their prey and suck

• Natutec Drive – On the road to precision biological control

  March 10, 2021

  different versions of Natutec Drive that take care of distributing predatory mites and insects essential for the biological control of pests and diseases in the [...] the cultivation of fruit and vegetables in a variety of situations. Three versions of Natutec Drive The patented technology makes it possible to apply [...] versions of Natutec Drive to accommodate 4 to 8 row systems. 'There is the towed version of Natutec Drive that can be drawn behind a moving vehicle, a fully

• Municipality Doetinchem: Entonem nematodes managing oak processionary caterpillar

  breaching the monocultures of the oak and stimulating the natural enemies of the oak processionary caterpillar. As already stated, the use of nematodes is an important [...] Koppert’s nematode product Entonem . A major advantage is that the bycatch of other caterpillars is much lower, which is a great benefit to biodiversity. In [...] the optimal effect, we did it twice.’ Entonem an important link Van Rijswijk is confident that the use of nematodes helps to reduce the level of infestation

• Fit roots for plant health Technical bulletin 2020 EN

  importance of a wellcontrolled root zone temperature. and crops evolve to a higher level of pest and disease resistance and higher levels of plant health [...] beneficial fungi and bacteria have many functions: • • • • They form a barrier against root diseases, and can even act as a fungicide. Some of them are involved [...] zone. Of course, this is a very general description, and there are many ways to create a proper substrate. That can be soil, rockwool, peat and many others

• Cabbage moth

  until they are a brown-black or sometimes even a purple colour. They are ridged and have a light network of markings. First instar larvae of the cabbage moth [...] skeletonized leaves, holes and frass on leaves. The caterpillars destroy large numbers of leaves and their frass accumulates in the heart of cabbage, thereby lowering [...] moth (Mamestra brassicae) is a highly polyphagous defoliator. Besides being a major cabbage pest, it feeds on 70 plants of 22 families, among them crops

• Yellow rose aphid

  aphid is also a vector of several viruses attacking strawberries and roses. Life cycle and appearance of Yellow rose aphid Aphids have a complex life cycle [...] family Rosaceae and is a pest of strawberries and roses. Damage symptoms The yellow rose aphids usually live in young unfolded leaves. Nymphs and adults extract [...] probably of North American origin but is now widely distributed in Europe, North Africa, parts of Asia and South America. It attacks plants of the family

• Pollination under artificial lights

  December 18, 2018

  the effects this can have on the pollinators doing their job in your greenhouse! Koppert Biological Systems has just brought out a useful manual and informative [...] pollinator’s behaviour under a wide range of conditions and climates. Its Natupol hives are under continuous development and feature the latest innovations [...] the best placement of hives, the benefits of its ‘Bee vision’ innovation, and influencing factors such as coatings, screens and filters in greenhouses

• Spidend

  sunlight and water. Leave the bottle in place for at least two weeks. Dosage The dosage of Spidend depends on climate, crop and spider mite density and should [...] Optimal results are achieved in a humid environment (>80% relative humidity) and at temperatures between 20 and 27°C (68 and 81°F). Combined use Should be [...] All species of spider mites . Mode of action After emerging from the pupa, adult gall-midges actively search for spider mite colonies and deposit eggs

• Crucial information on pollination at high temperatures

  August 10, 2020

  in warm climates opens up a whole set of problems that can affect yield and quality. Management of temperature, humidity, and radiation is therefore essential [...] field of pollination - now clearly points out the effects of high temperatures on pollination. ‘In the past, we have always observed the impact of temperatures [...] activity of our bumblebees. It was now time to complete the equation by looking into the effect of hot climate conditions on plant behaviour, and the combination