• Diamond back moth

  January 1, 1970

  initially yellow or pale green and later darken. They are deposited singly or in small groups of two or ten eggs on both the upper and lower surface of [...] flower buds, flowers and young seed pods, causing loss of pods and seeds. Life cycle and appearance of Diamond back moth The oval and flattened eggs of the [...] preferentially in depressions, and rarely on stems or petioles. There are four larval instars. The body tapers at both ends and is green, sometimes suffused

• Bacterial wilt, brown rot

  January 1, 1970

  well in water and in many different soil types and on alternative hosts like weeds. It invades the plants through wounds or stomata and then spreads into [...] Verticillium or Fusarium wilts. Life cycle and appearance of Bacterial wilt, brown rot Ralstonia solanacearum is a quarantine organism in Europe and considered [...] pathogenic bacterium. It is a soil-borne disease and colonises the xylem, causing bacterial wilt and brown rot in a very wide range of potential host plants

• Southern European marshland pyralid

  January 1, 1970

  ornamental crop plants, such as roses and gerbera, aquatic plants, vegetable crops such as celery, pepper and lettuce, and weeds. The secretive habit of the [...] Late instar larvae burrow into soft woody or herbaceous plant stems causing withering or drying of crowns and possibly stem collapse. The holes bored into [...] in a tile-like fashion on both the upper and lower surface of leaves close to the veins, or low on the stem or stalk close to the ground. The pinkish red

• Aphids

  January 1, 1970

  black, brown, pink, or red, depending on the species and their stage of development. Some species may have distinctive markings or stripes on their bodies [...] damage to leaves, stems, and flowers by piercing the plant tissue and sucking out the sap. This can result in stunted growth, curling or distortion of the leaves [...] such as colour forms, or resistance to pesticides, remain unchanged and unsorted. The young aphids are born as developed nymphs and begin to feed instantly

• RedStar places trust in Natutec Scout

  January 1, 1970

  ‘No,’ he says, ‘I am more interested in seeing the trend. Is the level of whitefly infestation staying the same or is it going up or down? I want to see that [...] line. Is it going up? Down? Or is it staying the same? That's what I want to see,’ says Jan. ‘In addition, our scouts and I save an enormous amount of time [...] map appears on the screen, and I can immediately see what whitefly or other pest is doing. If necessary, I can take immediate action.’ According to Jan

• Thrips

  January 1, 1970

  greenhouse and field crops. Their feeding and virus transmission cause leaf deformation, silvering and fruit damage, leading to reduced yield and marketability [...] them are brown or black. Some species may have distinctive markings or stripes on their bodies or wings. Movement: Thrips are strong fliers and can move quickly [...] frass looks like small black or white specks on the surface of leaves or flowers and can sometimes be mistaken for fungal spores or other types of debris. Thrips

• Heterorhabditis bacteriophora

  January 1, 1970

  sprayers equipped with centrifugal or piston pumps Water tank temperature must not exceed 25°C/77°F and pH must be between 4 and 8 Distribute the spraying solution [...] application. When possible, irrigate the crop before and right after application Adding an adjuvant and/or an anti-desiccant/humectant can be beneficial. Ask [...] openings or the cuticle. Once inside the host, they release symbiotic bacteria, typically of the genus Photorhabdus , which quickly multiply and cause septicemia

• Potato/tomato psyllid

  January 1, 1970

  dark brown or black colour with white or yellow lines and a distinctive white stripe on the abdomen. They are small in size, around 2.5 mm, and they live [...] weakness in the new leaves, chlorosis/reddening or purple colouration of the leaf bases and internodes, and poor-quality fruit. The bacterium Candidatus [...] ellow, and finally green. When they hatch, the adults have a yellowish-green colour and whitish wings, which become transparent over time, and their bodies

• Beetles

  January 1, 1970

  damage Both larvae and adults of beetles can cause damage to crops. The larvae of some species feed on growing tips and roots or chew and bore into stems [...] serious damage in many greenhouse and field crops by feeding on leaves, roots, or fruits, leading to reduced growth and yield loss. Effective beetle control [...] of all insect orders and displays an enormous variety of form, size and habit. A number of species are a serious pest in crops or stored products. There

• Brown soft scale

  January 1, 1970

  which can cover the leaves, flowers and fruit of the host and reduce photosynthesis and respiration. Life cycle and appearance of Brown soft scale The scale [...] yellow-green or light grey in colour, with dark brown speckles or spots. The colour of the scale darkens as the female ages. The size, shape and characteristics [...] active for two or three days and disperse locally before settling. Once fixed in position, their colour changes to a transparent, light brown and they begin