• Bugs

  are found as pests in agricultural crops. Bug damage Phytophagous bugs damage plants by puncturing leaves and growing points with their piercing-sucking [...] Biological control of bugs Bugs can cause extensive damage to greenhouse and field crops by feeding on plant tissues and fruits, leading to deformation, [...] and puncture holes. The most obvious damage is the deformation of growing points. They also cause tissue damage and deformed growth as a result of toxic

• Black leg of seedlings

  wounds, where the side roots are formed or through other similarly damaged spots. On the infected plant, new sporangia with zoospores are formed, that allow [...] low soil or water temperatures and causes among others cereal diseases. Damage symptoms Pythium affects roots, in particular those of seedlings. Infected [...] growth. Seedlings fall over (‘ damping-off ’). In slightly older plants, the leaves lose their turgor or the leaf tips turn yellow, for example in flower bulbs

• Damping-off

  Pythium aphanidermatum mostly occurs in young plants and damage is more extensive in young crops. Damage symptoms Pythium affects roots, in particular those [...] wounds, where the side roots are formed or through other similarly damaged spots. On the infected plant, new sporangia with zoospores are formed, that allow [...] ‘damping-off’, hence the name damping-off disease. In slightly older plants, the leaves lose their turgor or the leaf tips turn yellow, for example in flower bulbs

• Amblyseius andersoni

  around the bucket a few times Carefully sprinkle on the leaves Make sure the material remains on the leaves for at least a few hours after releasing the predatory [...] Amblyseius andersoni preys on several other small organisms such as whitefly , tarsonemid mites and rust mites. They can also feed on pollen which is useful [...] are about 0.5 mm in size. Predatory mites are usually found on the lower surface of the leaves, often in the corner of the main vein and lateral veins. It

• Using Predatory Mites, but still having Thrips Issues? Close the Gap in your Thrips Control Program

  July 16, 2024

  for its prey, being attracted to damaged leaves and reacting to any pest movement found on the plants. They will feed on any mobile thrips in the crop (larva [...] sucking out the inner leaf, causing the characteristic silvering damage seen on leaves and disrupting the photosynthesis process affecting yields), ovipositing [...] variety of ways: on new plant material, clothing, pets, or flying in from outside. Once in the growing space, thrips immediately begin damaging plants by a

• Black vine weevil

  It belongs to the family Curculionidae. Damage symptoms The major damage is caused by the feeding of the larvae on the roots. After the roots have been destroyed [...] resistant to damage than young plants or just planted cuttings. The adult beetles are only active at night, taking round bites out of the leaves, starting [...] stems of the plants. Both adult beetles and larvae are polyphagous and feed on a large number of plant species. High populations of larvae can destroy plants

• Amblyseius swirskii

  cap to open the dosage hole Sprinkle material on leaves or pour into Diboxes Make sure the material remains on the introduction site for at least a few hours [...] Amblyseius swirskii preys on several other small organisms such as spider mites and tarsonemid mites. They can also feed on pollen, which is useful for [...] of egg, larva, protonymph, deutonymph, and adult. Eggs are laid on the underside of leaves, often in the axil of veins. They are oval, white and are app

• Harnessing the Power of Parasitic Wasps

  March 21, 2024

  causing extensive and multifaceted damage to the crop. Some of the damage will be just like other whitefly damage (detailed above), however the Bemisia [...] parasitism levels in a crop depending on how they are used. When parasitism levels are high: removed leaves can be left on the floor to allow parasites time [...] de-leaf hot spots and remove the leaves from the greenhouse. Due to low parasitism rates on Bemisia whiteflies , we are relying on host feeding as the primary

• Understanding Orius

  July 12, 2024

  crop flowers, where they are feeding on thrips and pollen. Adults and their younger stages can also be found on leaves and along stems but are more difficult [...] trichomes that can be found on the cannabis plant. Leaf hair density has also been researched to have a significant impact on the longevity (how long they [...] mites will feed on thrips eggs protruding from the leaf surface and 1st instar thrips larvae. Soil-dwelling predatory mites will feed on thrips pupae in

• Neoseiulus cucumeris

  distribute Thripex Sprinkle material on leaves or put small heaps on rockwool slabs Make sure the material remains on the introduction site for at least [...] egg, larva, protonymph, 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 [...] Neoseiulus cucumeris preys on several other small organisms such as spider mites and tarsonemid mites. They also feed on pollen, which is useful for instance