• Two-spotted spider mite

  to loss of the crop. The nymphs and adults also produce webs, and plants can get completely covered with such webs in which the mites live. The webbing and [...] to the host plant by feeding on plant sap. They mainly occur on the underside of leaves where they pierce the cells and suck out the contents. The empty [...] yellow, and in many plants the damage can also be seen on the upper surface of leaves as small yellow dots. The destruction of cells results in reduced p

• Laeveld_Agrochem_GROEI_20_-_Winter_2022.pdf

  yields. The most important factor to consider in determining profitability on a farm is the growing condition. What is in the soil? What is in the water [...] their way into the young nuts. The larvae are cream to grey in colour with dark spots on the body and the head capsule is brown. The pupa is dark brown and [...] place in the soil) encased in a cocoon of soil particles. There is no cocoon if pupation takes place in the nut. The moth is small and grey with indistinct

• Spidex Vital

  shake the bottle gently before use Push the centre of the cap to open the dosage hole Sprinkle material on leaves or pour into Diboxes Make sure the material [...] situation. Start introduction as soon as the first pest mites are detected in the crop. Introduction rates typically range from 2-50 per m2/release. Releases [...] after receipt. If necessary, the product can be stored for 1-2 days. Storage temperature 8-10°C/47-50°F. Storage conditions In the dark, bottle horizontally

• Koppert Foundation

  education about our wonderful partnering with nature in integrated crop management supporting local Koppert employees with their personal social responsibility [...] Koppert established the Koppert Foundation on their 50 th anniversary in 2017. This Foundation aims to contribute to sustainable solutions for horticulture [...] Application You can find more information in English and Dutch on www.koppertfoundation.org . Do you need help with explanation and/or application? Please

• Fusarium wilt

  Fusarium 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 [...] fruit rot, head blight in cereals and post-harvest decay. Fusarium oxysporum is the species causing vascular wilt. First the leaves turn yellow and wilt [...] one side of the plant. Finally, the whole plant wilts. Other symptoms are brown discolouration of the xylem vessels which can be seen when the stems are

• Swirski-Mite LD

  sachets in sheltered locations in the crop, not exposed to direct sunlight Sachets already have an exit hole Hold sachets by the cardboard strip at the top [...] ly or as soon as the first pest mites are detected in the crop. Use at least 4,000 sachets per ha and hang them evenly spaced in the crop. Release should [...] larvae of whitefly . Crops Do not use in tomato. Mode of action Predatory mites multiply in the sachet and disperse into the crop over a period of several weeks

• Thripex-Plus

  sachets in sheltered locations in the crop, not exposed to direct sunlight Sachets already have an exit hole Hold sachets by the cardboard strip at the top [...] ly or as soon as the first pest mites are detected in the crop. Use at least 4,000 sachets per ha and hang them evenly spaced in the crop. Release should [...] thrips species. Crops Do not use in tomato. Mode of action Predatory mites multiply in the sachet and disperse into the crop over a period of several weeks

• Swirski-Mite Plus

  sachets in sheltered locations in the crop, not exposed to direct sunlight Sachets already have an exit hole Hold sachets by the cardboard strip at the top [...] ly or as soon as the first pest mites are detected in the crop. Use at least 4,000 sachets per ha and hang them evenly spaced in the crop. Release should [...] larvae of whitefly . Crops Do not use in tomato. Mode of action Predatory mites multiply in the sachet and disperse into the crop over a period of several weeks

• Damping-off

  or substrate the plant turns brown. A typical symptom of a Pythium infection is the easy stripping of the skin from the root cortex with a finger nail [...] lose their turgor or the leaf tips turn yellow, for example in flower bulbs. At first, the plants recover during the night, but later the plants wilt irreversibly [...] irreversibly. In potted plants the flower buds fall off. The side roots rot and very little of the root system survives. On the border between air and soil

• Litchi moth

  eggs singly on the fruit, rarely on the leaves. On hatching the larvae feeds on the fruit skin and then tunnels towards the seed. Larvae usually do not [...] not pupate in fruit on the tree but leave the fruit to pupate in the soil. [...] extent. Damage and symptoms The newly hatched larva penetrates the litchi fruit and feeds its way through the fruit flesh and into the seed. Such feeding causes