• Greenhouse whitefly

  sugar, and the excess is excreted as honeydew, with larger larvae expelling large quantities. The damage that whiteflies cause to a crop is the result of [...] 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 [...] into a white, oval case encircled by a ring of erect waxy rods. This is called the pupa stadium and these pupae are found on the oldest leaves. The adult

• Bugs

  over their body when at rest. The wings overlap each other exposing the scutellum, a prominent triangular region of the thorax between the wing bases. This [...] 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 [...] control Learn more about What are bugs? Heteropteran bugs form a group in the order Hemiptera , a highly diverse group of insects, containing both harmful and

• False spider mites

  mites because their body is rather flat compared to other mites. Most species that cause damage to cultivated plants belong to the genera Brevipalpus and [...] found on the underside of leaves where they cause a brown, scabby discolouration spreading from both sides of the main vein into the leaf blade. The damage [...] on the underside of leaves. The mites are flattened and egg-shaped when seen from above, with their dorsal surface showing a net-like pattern. The eggs

• Onion thrips

  indicate their presence in the crop. The vigour of the plant is reduced by loss of chlorophyll. When infestations become serious the leaves themselves can shrivel [...] inserted into the plant tissue with a saw-like ovipositor. Larvae are light to yellowish green in colour, with a large head and bright red eyes. The colour of [...] cells of the surface tissues and sucking out their contents, causing the surrounding tissue to die. The resulting silver-grey patches on leaves and the black

• Diamond back moth

  may occur in the florets. Initially, the pupa is pinkish-white to pinkish-yellow and changes to brown before adult emergence. The adult of the diamond back [...] ochreous and the markings are like those of the males. The back is marked with a broad cream or light brown band along the back, which is sometimes constricted [...] distances to invade crops in other regions. Damage symptoms The caterpillar is a surface feeder. They feed from the lower leaf surface, leaving the wax layer

• Hemp russet mite

  cannabicola is host specific to hemp/cannabis ( Cannabis sativa ). It cannot survive on other plants. Damage symptoms Damage is caused by the mites sucking [...] sucking out the contents of plant cells. Hemp russet mite develops on the stems and petioles of the hemp plant and can cause stunting. When populations are [...] are large, the mites can also be found on the underside of leaves. This results in smaller leaf size and suppressed bud growth leading to a reduction in

• Mycotal Brochure

  Bredelaar in the Netherlands, 2020. The crop was treated 3 times with a 7 day interval. The graph shows the observations 2 weeks after the last treatments [...] applying Mycotal, the spores germinate and the germ tube invades the target insect. The fungus continues to grow inside the insect and subsequently kills it. At [...] Anadiag in Italy, 2022. The crop was treated 3 times with a 7 day interval. The graph shows the observations 2 weeks after the last treatments. Control

• BULLETIN_VIDI_FORTUM___AQ10_31.1.22_K.pdf

  quisqualis spores in the bio-fungicide product AQ10® Vidi Fortum® is a plant biostimulant which is normally applied to a range of edible crops to enhance vegetative [...] AQ10® is a water dispersible granule formulation containing 5x109 spores of A. quisqualis per gramme of product. This hyperparasite can attack a wide range [...] tank mixed with a known AQ10® spore inoculum concentration. Each biostimulant was tested at a low rate and high rate, to represent the lower and upper

• Tobacco whitefly

  cause to a crop is the result of sucking out the sap from the plant leaves and secreting honeydew. This can have the following consequences: If the population [...] 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 [...] mouthparts and begins to feed on plant sap very soon after emerging. The insect is covered with a white waxy substance. The adult of the tobacco whitefly (

• Thrips

  cause damage to the plant by piercing the cells of the surface tissue and sucking out their contents, causing the surrounding tissue to die. The resulting [...] six stages: the egg, two larval instars, a pre-pupa and a pupal instar, and finally the adult insect. The eggs are kidney-shaped and have a white or yellow [...] parts of the plant and are fairly mobile. Immediately after hatching, the larvae begin to feed on plant tissue on the underside of the leaf. The larvae are