• Aphidius colemani

  January 1, 1970

  typical of the Aphidiidae. First the host is examined by drumming with the antennae. This gives the wasp the information about whether the aphid is the right [...] rounded abdomen that is shorter than the wings, and is black with dark brown legs. A female has a more pointed abdomen that is as long as the wings, is equipped [...] remains dry and is not moved from its introduction site for at least a few days The dosage of Aphipar depends on climate, crop and aphid density and should

• Thripex-Mini

  January 1, 1970

  middle of the plants (shaded) and with the bottom edge of the sachet touching the substrate will typically yield the longest release of predators. Sachets [...] for and feed on their prey. Application For Hanging Baskets – insert sachets into the center of the container at time of hanging. Installing in the middle [...] sheltered positions on the crop (no direct sunlight). Measures improving the moisture balance in the sachets, such as placing the bottom of the sachet on moist

• Feltiella acarisuga

  January 1, 1970

  Make a hole in the lid and place the cup on the rock wool slab or directly on the soil Protect against direct sunlight and water Leave the cup in place for [...] to the colour of prey eaten and may sometimes be yellow or red. Immediately after emerging from the egg, the larva is yellowish white. The eggs and the [...] They are aggressive and adapt the amount of food they consume to the density of the spider mite population. Where there are large, localised concentrations

• Biopar

  January 1, 1970

  Application Distribute the material in heaps near to the places where the flies pupate and cover with 5-10 cm of straw Make sure the material is distributed [...] house fly ( Fannia canicularis ) and other Fannia spp. Mode of action When the adult parasitic wasps emerge from the pupal shells, they will start searching [...] Dosage The information given below is merely indicative. Tailored advice requires detailed info on local factors such as (climatic) conditions and the level

• Crazy roots, hairy roots, crown gall

  January 1, 1970

  crown gall The primary source of infection by Rhizobium rhizogenes has not yet been defined. The assumption is that the bacteria survive in the soil, but [...] of the plant resulting from the Rhizobium infection. Rhizobium rhizogenes puts a Ri-plasmid in the plant tissue and causes a genetic change in the plant [...] species cause the growth of galls on the stems, which are first white and later turn brown. Only Rhizobium radiobacter causes galls and tumours on underground

• Quad

  January 1, 1970

  placing the hives before opening the flight holes, this allows the bumblebees to calm down Protect the hives from direct sunlight and rain, and weigh down [...] workers emerge from the brood in the weeks after the introduction, increasing both colony size and pollination performance. After some weeks the colony will reach [...] maximum size and starts declining in size and pollination activity. Colony development depends on environmental conditions and the amount and quality of

• Bacterial canker of tomato

  January 1, 1970

  wounds and then growing into the vessels of the plant. Plant growth is inhibited and the plant wilts because the xylem vessels become blocked. The bacterium [...] centre. In potato, the disease usually only occurs in the second half of the season. The first symptoms are wilting of the lower leaves and subsequent expansion [...] expansion of the wilt upwards. Cutting the stem at the foot shows whitish ooze with bacteria in the case of C lavibacter infection, but other than that the disease

• Aphipar

  January 1, 1970

  mummy. The adult parasitic wasp emerges through a hole at the rear of the mummy. The first mummies are noticed in the crop around 10-14 days after the first [...] parasitic wasps emerge from the mummies and females lay their eggs into aphids . The next generation of parasitic wasps develops inside the aphid, which converts [...] least a few days Dosage The dosage of Aphipar depends on climate, crop and aphid density and should always be adjusted to the particular situation. Start

• Cookie Statement

  January 1, 1970

  computer and the banner will no longer appear as long as the cookie is active. After the end of the cookie’s service life or if you delete the cookie, the [...] file that is stored on your computer by your browser when you visit the website. The main function of cookies is to distinguish one user from the other [...] other. Your browser sends us the information stored the next time you visit our site. The use of cookies is secure. They do not process personal data, such

• Pollination

  January 1, 1970

  n is the transfer of pollen from the anthers of the flower to the stigma of the flower. If the pollen is transferred from anther to stigma on the same [...] comes to the production of vegetables, fruit and seed. Well pollinated crops result in considerably higher yields and improve the quality and shelf-life [...] ation. Cross pollination, is the transfer of pollen from the anther of one flower to the stigma of another flower on the same plant or on another plant