• Eretmocerus eremicus

  January 1, 1970

  instar. The larva then penetrates the host, moulting to the second instar to feed. During the third instar, the larva fills the host pupa, and the pre-pupal [...] inside the greenhouse Bend and tear off the strips opposite to the mounting hole Make sure not to touch the pupae during handling Suspend the cards in the [...] parasitic behavior: the female lays her eggs inside the immature whitefly nymphs, and upon hatching, the larvae consume the host from within. The larvae use their

• Sportnem_leaflet_EN_A4_-_Koppert_20230441_-_DEF_LR.pdf

  January 1, 1970

  Crane flies are large flies reaching up to 50 mm across. The adults do not cause any damage but the larvae live in the soil and feed on roots and shoots of [...] cause damage in autumn. The larvae overwinter and become active again and feed voraciously when the soil begins to warm up in spring. The common crane [...] present in parts of Europe and the USA, has two generations per year, one in autumn, with overwintering larvae and one in summer. Sportnem-T for the control

• Loose smut of barley

  January 1, 1970

  cycle and appearance of Loose smut of barley The seeds are infected during flowering and the infected seeds are the primary source of inoculum in the next [...] next crop. The fungus survives inside the seed and when the seed germinates, the mycelium of the fungus grows upwards inside the plant into the growing tip [...] within a day and infect the inner tissues of the newly infected seed. During maturation of the seed, the mycelium becomes thick-walled and swollen as a

• Loose smut of wheat

  January 1, 1970

  cycle and appearance of Loose smut of wheat The seeds are infected during flowering and the infected seeds are the primary source of inoculum in the next [...] next crop. The fungus survives inside the seed and when the seed germinates, the mycelium of the fungus grows upwards inside the plant into the growing tip [...] within a day and infect the inner tissues of the newly infected seed. During maturation of the seed, the mycelium becomes thick-walled and swollen as a

• Fusarium wilt

  January 1, 1970

  oxysporum is the only Fusarium that actually grows inside the vessel system of the host plant and spreads upwards inside the plants. The other species are dispersed [...] First the leaves turn yellow and wilt, mostly on one side of the plant. Finally, the whole plant wilts. Other symptoms are brown discolouration of the xylem [...] when the stems are cut. In banana, whole plantations may die and the soil may not be suitable for planting for many years to come. Life cycle and appearance

• Enermix

  January 1, 1970

  inside the greenhouse Bend and tear off the strips opposite to the mounting hole Make sure not to touch the pupae during handling Suspend the cards in the [...] with 5 cards each, wrapped in plastic, in a cardboard box, each card holds 60 parasitised whitefly pupae, 30 E. formosa and 30 E. eremicus . Carrier None [...] 75 cm under the plant head Avoid hanging cards at places exposed to direct sunlight Dosage The dosage of Enermix depends on climate, crop and whitefly density

• Phytophthora blight

  January 1, 1970

  between 15 and 23 °C and higher water content than is optimal for crop growth. Phytophthora overwinters in roots, infected tubers and bulbs or in the soil in [...] is by wind and rain causes the pathogen to be returned to the soil from infected plants. Dispersal in the soil happens via water, since the zoospores can [...] Life cycle and appearance of Phytophthora blight Phytophthora species are very destructive organisms belonging to the Oomycetes and are therefore strictly

• Crazy roots, hairy roots, crown gall

  January 1, 1970

  change in the hormonal system of the plant resulting from the Rhizobium infection. Rhizobium rhizogenes puts a Ri-plasmid in the plant tissue and causes [...] overgrow the substrate and in severe epidemics the drippers get clogged. In tomato, excessive vegetative growth occurs. Life cycle and appearance of Crazy roots [...] Adjust the work order in greenhouses to fit with the hygiene protocol Disinfect the nutrient solution in order to prevent biofilm growth inside the irrigation

• Gummy stem blight

  January 1, 1970

  drops, tools and hands of workers. The ascospores are the main source of dispersal of disease upwards in the crop and the conidia for spread of the disease [...] wounds and by the infected leaves through the petioles. Fruits are infected through the flowers. The newly produced ascospores are dispersed by air and the [...] a cucumis in cucumber causes brown lesions on the foot and higher up on the stem. On the lesions, golden-brown gummy drops occur, hence the name gummy

• Ervipar

  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 develop inside the aphid, which converts [...] Buckwheat hulls. Application Spread the material on rock wool slabs or in Diboxes Make sure the material remains dry and is not moved from its introduction