• Corn rootworm

  yield loss. When water supply is sufficient, the plants continue to grow after lodging. This causes a typical gooseneck-like shape also called goose necking

• Pollination checklist Growing lights

  lower in the greenhouse. 13:00 Vertical placement will have a negative effect on the development of the hives. 10:00 1! Bumblebees need max. 2 hours [...] colonies for plant rows longer than 100 meters. 01:00 Flowers open 1 hour after the lights are turned on 02:00 00:00 Daylight From week 47 until week 52

• Tomato russet mite

  stage within a day. All life stages look very similar. The adults develop after about two or three days. They are cream to orange-yellow in colour, wedge-shaped

• Thrips

  Because they reproduce quickly and hide deep within flowers and leaves, effective thrips control requires an integrated biological approach. Biological control [...] feed on all aerial parts of the plant and are fairly mobile. Immediately after hatching, the larvae begin to feed on plant tissue on the underside of the [...] introducing biological control agents such as predatory mites can be an effective preventative measure, as these natural enemies can help keep thrips populations

• Transforming crop protection: the rise of predatory mites

  July 21, 2025

  control in Spain. A passion for insects – and a new beginning in Almeria After studying biology in Granada with a focus on entomology, José moved to Almeria [...] the role of research Why predatory mites ? The answer lies in their effectiveness, adaptability, and ability to establish long-term presence in crops. [...] promise. Combined with microbiologicals, these products form an increasingly effective defence against pests - without the downsides of chemicals. The influence

• Corn earworm

  grey before hatching, and have a ribbed spherical shape. The larvae hatch after around four days. The corn earworm caterpillars go through six larval instars

• Entonem keeps young orchids free from fungus gnats

  uses the predatory soil mite Stratiolaelaps scimitus . Investigating the effect of spraying Every week, Floricultura examines the action of the nematodes [...] microscope. First when they have just come out of the packaging and later after spraying. Dennis van der Wel explains, ‘We dampen the potting soil and then

• Cannabis aphid

  summer/early autumn, winged males and sexually-reproducing females are produced. After mating, the female lays her eggs on leaves, flowers and stems to overwinter

• Greenhouse whitefly

  d piercing-sucking mouthparts and begins to feed on plant sap very soon after emerging. The insect is covered with a white waxy substance.

• Tarnished plant bug

  sucking out the contents. The following symptoms begin to appear a few weeks after feeding injuries are incurred: Buds turn white, fail to develop and drop