• Green peach aphid

  January 1, 1970

  different viruses and is thus rightfully feared by many growers. Nymphs and adults extract nutrients from the plant and disturb the balance of growth hormones [...] contaminating fruit and ornamental crops and rendering them unsuitable for market. At the same time, photosynthesis in the leaves is reduced, affecting [...] As a result, the plant’s growth is retarded giving rise to deformed leaves or, if the infestation occurs early enough in the season, the death of young

• Tomato looper

  January 1, 1970

  white marks on the forewing that sometimes overlap each other. The hindwings are brown. The body is brown and hairy and, when at rest, the hairy dorsal plume [...] dot above the lateral yellow lines. There are three pairs of prolegs, instead of the normal five and therefore the caterpillar moves with the same looping [...] species originating in the Mediterranean and northern Africa. The larva is highly polyphagous and feeds on plants of over 20 families, among them crops such

• Aphidius ervi

  January 1, 1970

  is available in a bottle ( Ervipar ). Spread the material on rock wool slabs or in Diboxes Make sure the material remains dry and is not moved from its [...] use of Aphidius ervi The parasitic wasp Aphidius ervi is most effective between 20 and 25°C (68 and 77°F). This natural enemy is not effective at temperatures [...] nectar and water to sustain themselves. Life cycle and appearance of Aphidius ervi Aphidius ervi is a very dark aphid parasitoid. The waist is entirely

• Blueberry

  January 1, 1970

  nutrients and even kill them. At the same time, they strengthen the root system making the plant less vulnerable to infection. Bumblebees are highly efficient [...] role in blueberry crop protection , addressing the numerous pests and diseases that can impact the health and productivity of these plants. IPM focuses on [...] exposure to harmful chemicals and minimise the negative impact on the environment. Various beneficial organisms can be used for the control of aphids , fruit

• Beet armyworm

  January 1, 1970

  even black. The colour and pattern of the caterpillars is highly variable and depends partly on the host plant, the stage of development and the climate. [...] during the day and is active only at night. The forewings are grey-brown suffused with a dark brown or black. The head and thorax are brown and the abdomen [...] roses and potted plants. In both the greenhouse and the field, it is a major pest of sweet pepper. Damage symptoms Older caterpillars migrate to the top

• Optimal placement of bumblebee hives

  January 1, 1970

  seasons, it is 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 [...] 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 [...] as condensation and rainwater. Regular hive maintenance and checks are recommended to ensure the well-being of the bumblebee colony and prevent potential

• Spidex Vital FAQ

  January 1, 1970

  What is the difference in the product presentation? Spidex Vital consists of all mobile stages of Phytoseiulus persimilis. The carrier material is the same [...] of Phytoseiulus persimilis. Is this a different Phytoseiulus species to the Spidex I am used to? No, it is exactly the same Phytoseiulus species as in de [...] same as the current product. How will this change my existing program that has been working for years? Apart from the fact you have to switch your current

• Amblyseius swirskii

  January 1, 1970

  often in the axil of veins. They are oval, white and are approximately 0.14 mm in diameter. The larvae have six legs, are the same colour as the eggs, and [...] tomato, use of Amblyseius swirskii is not recommended as it is hindered by the glandular hairs on the stems and leaves and does not build up a population. [...] agent of thrips and whiteflies. Amblyseius swirskii can also survive on pollen and other prey and can establish in the crop before the pest appears. These

• Amblyseius andersoni

  January 1, 1970

  Predatory mites are usually found on the lower surface of the leaves, often in the corner of the main vein and lateral veins. It is not possible to distinguish [...] 14 mm in diameter. The larvae have six legs, are the same colour as the eggs, and are only slightly larger. The larvae of Amblyseius andersoni are facultative [...] recommended as it is hindered by the glandular hairs on the stems and leaves and does not build up a population. Amblyseius andersoni in buckets The predatory

• Pepino mosaic virus

  January 1, 1970

  rapid spread and impact on fruit quality, effective prevention and management are critical for maintaining yield and marketability. PepMV is a highly contagious [...] What is Pepino Mosaic Virus (PepMV)? Pepino Mosaic Virus (PepMV) is one of the most economically significant viral diseases in greenhouse tomato production [...] depending on the strain, environmental conditions, and tomato variety, but common signs include: On leaves Mosaic or mottled patterns (light and dark green