• Beet armyworm

  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

• Peach

  nectarine. The peach belongs to the genus Prunus (just like the cherry, apricot, almond and plum) and the rose family. Together with the almond, the peach also [...] ‘persica’ refers to the popularity of the tree in Persia when it was introduced there. The tree’s fruit is usually sweet and juicy and it is called peach or [...] About The so-called Prunus persica is a deciduous tree indigenous to Northwest China. There is was first domesticated and cultivated for its fruit. The

• Spidex Vital FAQ

  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 andersoni

  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

• Optimal placement of bumblebee hives

  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

• Thrips

  their presence in the crop. At a later stage, the empty cells become desiccated and the adjacent cells turn brown. The vigour of the plant is also reduced by [...] hatching, the larvae begin to feed on plant tissue on the underside of the leaf. The larvae are smaller than the adults and lack wings. Depending on the species [...] of the surface tissue and sucking out their contents, causing the surrounding tissue to die. The resulting silver-grey patches on leaves and the black

• Amblyseius swirskii

  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

• Knowing & recognizing

  edition of Knowing and recognizing also includes new biopesticides and biostimulants that increase the plant’s resilience to stress and help the plant to grow [...] illustrations and close-up photographs. The knowledge gained will equip you to find the best sustainable solutions. First published 25 years ago and revised in [...] in 2003, the latest edition comprises 443 pages, 700 photographs, and dozens of illustrations of the most prevalent pests, diseases and their natural enemies

• Pepino mosaic virus

  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

• Supplementary Feeding for Biological Control: A Complete Guide

  July 24, 2024

  less thrips when Artemia is present. However, at the same time the predatory mite population is growing faster when Artemia is in the crop, so there will be [...] pollen. The only time it makes sense to place pollen out in peppers is right at the beginning of the crop when there is a gap in flowering and there is no pollen [...] because the predatory mite population increases and more predatory mites in the crop means more predatory mites feeding on WFT. Nutemia is the number one