• Western flower thrips

  into the plant tissue with a saw-like ovipositor. Larvae are nearly transparent white or yellowish to orange-yellow, with a large head and bright red eyes [...] s) is currently the most damaging thrips species in many greenhouse crops. The western flower thrips (Frankliniella occidentalis) can be found on a wide [...] many vegetable and ornamental crops in greenhouses, and on various weeds. It is an especially significant pest in cucumber, sweet pepper, eggplants, and

• Onion thrips

  General The onion thrips (Thrips tabaci) is distributed throughout the world. It is found outdoors on many plants and particularly damaging on onions, [...] are 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 [...] Thrips cause damage to plants by piercing the cells of the surface tissues and sucking out their contents, causing the surrounding tissue to die. The resulting

• Grapevine powdery mildew

  Grapevine powdery mildew (Erysiphe necator) is a widespread fungal disease that poses a serious threat to commercial viticulture worldwide. The pathogen [...] unlike most other grapevine pathogens, it does not require free water (such as rain or dew) to infect, making it a persistent threat throughout the entire [...] (Erysiphe necator) is closely synchronized with the vine growth stages and environmental conditions. Understanding its lifecycle is essential to implementing

• Horiver Drystick

  Horiver Drystick per 2 to 20 m 2 Notes In contrast to Horiver Wetstick , the glue of Horiver Drystick does not come off on your hands Horiver Drystick [...] Nesidiocoris tenuis White: Lygus spp. Mode of action Insect pests are attracted to the colour of the sticky trap and get caught in the glue. Presentation Polysterene [...] areas near doors, gable ends and lateral ventilation openings Attach traps to wires or sticks at max. 30 cm above the crop and adjust height when plants

• Spinach

  oleracea ) is an edible flowering plant of the Amarantha family that originates in Asia. It is consumed as vegetable and is rich in iron. It is grown as a vegetable [...] vegetable worldwide and growths to a height of about 30 cm. It is eaten fresh, steamed or boiled and has a high nutritional value.

• Asian citrus psyllid

  citri ), is an important pest of citrus in several countries as it is a vector of a serious citrus disease called greening disease or Huanglongbing. It is widely [...] plants and then disease is spread when adults fly to a healthy plant and injects bacteria into it as they feed. The disease can kill a citrus tree in as little [...] state of Florida is the most affected area by the vectored disease. Damage symptoms The psyllid is a sucking insect that inserts its mouthparts into plant

• Avocado

  named ‘alligator pear’ is a tree originating in South Central Mexico. Its nick name points to its fruit which is botanically speaking a large berry with only [...] only one seed. The berry is green-skinned and fleshy and its shape resembles a pear or (large) egg. The avocado tree belongs to the flowering plant family [...] Lauraceae . Commercially speaking, avocados are very valuable and the fruit is produced in tropical and Mediterranean regions. Avocados ripen only after

• Lettuce

  sativa) belongs to the daisy family, Asteraceae. It is a hardy annual that is easy to cultivate and most often grown for its leaves. It is, however, often [...] often plagued on by a number of insect and mammal pests and fungal and bacterial diseases, and can suffer numerous nutrient deficiencies.

• Grape downy mildew

  magna C2c Maky is known for its ability to produce a wide range of bio-active compounds involved in microbial interactions. When used as a lysate, these [...] and humidity), the disease is often well-established before it can be visually detected in the field. Leaf symptoms Yellowish to light-green oil spots on [...] forming haustoria to parasitize mesophyll cells. The latent period (the time from infection to visible symptoms) ranges from 4 to 21 days, depending on

• Potato aphid

  euphorbiae ) is of North American origin, but is these days distributed throughout the world. It is a highly polyphagous species with a preference for [...] reduce yield. Plant sap is rich in sugars, but has a low protein content. Aphids therefore need to extract large quantities of sap to get sufficient protein [...] with a dark longitudinal stripe running along the dorsal surface. In green individuals, this stripe is dark green, while in pink specimens it is dark red