• Tomato moth

  January 1, 1970

  along the posterior edge of the forewing. As in most noctuid moths, the hindwing is greyish and lighter than the forewing, with a darker shadow at the margin [...] margin. The antennae are long and thin. Head and thorax are reddish-brown while the abdomen is a lighter grey-brown. The females of the tomato moth (Lacanobia [...] stages. The head is a pale green in the first two larval instars, later becoming white to grey-brown with mottled markings. The pattern of markings on the

• Ervibank

  January 1, 1970

  plants from the box and place it on the rock wool in the basket Place the basket in direct light, preferably in a spot where it can remain for 10-12 weeks [...] parasitise the wheat aphids (Sitobion avenae) on the cereal plants, building a large population. The aphid infestation level remains low due to the continuous [...] fogging/spraying an insecticide. If the insecticide is applied via the drip system, remove the drippers from the banker plants for approximately 24 hours. In these

• Addit

  January 1, 1970

  Preparation Prepare the spray solution of the plant protection product according to the user instructions Shake the Addit container well Add the correct amount [...] onto the plant surface. When added to Mycotal , this will increase the chance that spores of the entomopathogenic fungus come in contact with the target [...] Improves the effect of Mycotal and entomopathogenic nematodes. Crops Do not use on kalanchoe plants. Mode of action Addit improves the spread of plant

• World Food Day 2020

  October 16, 2020

  safe food for all. In September 2015, the UN approved the Sustainable Development Goals. World Food Day is held today at various places. For more info [...] protect biodiversity and the environment. At the same time, the current global pandemic has accelerated consumer pressure on sustainable food production [...] essential for the overall functioning and well-being of the ecosystem. There's still a lot of research to be done. 'At Koppert, we are aware of the enormous

• Koppert collaborates with Valto to control harmful tomato virus

  October 8, 2018

  continue the sale and distribution of its V10 product in the Netherlands, Koppert Biological Systems will be responsible for the distribution and sale of this [...] were needed for the full European registration dossier. The two low risk active ingredients and the product V10 have been approved by the Dutch registration [...] access to tomato growers around the world. The two innovative biological solutions producers are located in the heart of the Dutch fruit and vegetable growing

• Greenhouse whitefly

  January 1, 1970

  This is called the pupa stadium and these pupae are found on the oldest leaves. The adult emerges from the pupa via a T-shaped fissure. The adult whiteflies [...] sucking out the sap from the plant leaves and secreting honeydew. This can have the following consequences: If the population is very large, feeding on plant [...] influence the development of fruit and lead to a reduction in yield. The honeydew deposited on fruit makes it sticky. Dirt adheres to the fruit, and the growth

• Pear psylla

  January 1, 1970

  stripes and blackish markings on the head and body. Pear psyllas overwinter as adults, sheltering on the bark of pear trees. The adults become active in spring [...] They have white, longitudinal stripes on the back of the thorax. Their forewings are clear with dark veins. The eggs are oval, approximately 0.3 mm long [...] generation nymphs turn brown and die. Feeding later in the season may affect the harvest of the next year by weakening or killing fruit buds. Pear psyllas

• Poinsettia. Main pest pressures

  May 21, 2019

  serious damage to the cuttings, to the extent of killing them. The larvae feed on the young roots of the plants, and can then progress into the stem, if not [...] visible on the undersides of the leaves, which can result in rejection and lost sales. Control Strategy Yellow Horiver Traps These are required for monitoring [...] at high introduction rates for the first 4-6 weeks of growing, prior to the first spacing. After spacing, and based on the sticky trap counts of adult

• Pear

  January 1, 1970

  Asia. The pear tree belongs to the family of Rosaceae and sub family of Pomoideae , together with the apple and quince. The genus Pyrus consists of around [...] Europe and northern Africa. The European or common pear is a perennial, deciduous tree and cultivated for its fruit. The tree grows small, white flowers [...] About The so-called European pear or common pear ( Pyrus communis ) is a pear species that originates in central and eastern Europe and southwest Asia

• Optimal placement of bumblebee hives

  January 1, 1970

  meters above the ground, particularly in dense crop areas. On the darkest days of winter, consider placing the hives above the crop near the greenhouse roof [...] advisable to position the hives at a height of 20 – 60 cm above the ground on the south side of the path. This location ensures that the hives receive adequate [...] choose a spot where the hives receive early sunlight, typically on the north side. If needed, the hives can be placed higher inside the crop, at a minimum