• Miglyphus

  in the morning or in the evening Dosage The dosage of Miglyphus depends on climate, crop and leaf miner density and should always be adjusted to the particular [...] eggs next to them. The eggs develop into parasitic wasps inside the mine (but outside the leaf miner), using the dead larvae as food. Adult females also [...] miner larvae by using them as a food source. This is known as host feeding. Visual effect The presence of Diglyphus isaea in the crop is signalled by short

• Biosulfur-S

  applications per season. Combined use Demonstrates compatibility with a wide range of inputs, enabling incorporation into spray programs and contributing [...] Use as part of a program supporting plant performance and yield potential. Learn more about Biosulfur-S Crops Horticultural crops. Biosulfur-S is registered [...] 32 - 0.64 gal/acre for horticultural, or greenhouse plants. Use a sufficient volume of water to ensure thorough coverage. For specific recommendations

• Glasshouse potato aphid

  deformations in the growing tip of the plant. Precisely where the plant is pierced is unimportant. The piercing of the lower leaves in the crop can cause [...] abdomen at the base of the cornicles. Alate (winged) females are yellow-green, with a brown head, a dark thorax and a dark abdomen that has pale to dark [...] growth above with lumpy leaves and curled leaf margins. The immediate effects of piercing by the aphids are visible in lower leaves in the form of yellow patches

• Tomato pinworm

  pinholes at the points of entry, which are often marked by the presence of a small amount of frass or droppings. Life cycle and appearance of the tomato pinworm [...] confused with similar species that might be present, with which it shares similar habits. Due to the initial damage of the larva which forms a mine, it [...] Damage symptoms The tomato pinworm attacks both the leaves and fruits of tomato. Mining by larvae in the leaves is the most common type of injury. Initially

• Horiver Rollertrap

  Mode of action Insect pests are attracted to the colour of the sticky trap and get caught in the glue. Presentation Polyethylene ribbon coated with wet [...] insert a rod or other expedient through the center opening of the roll which will allow the Rollertrap to spin freely while unrolling At the beginning [...] beginning and end of each run, cut the trap approximately 40 cm longer than the support structure. Wrap the extra around the support and secure with staples or

• Written in GrowerTalks: "Cold Chain Management" by Heidi Doering

  December 16, 2024

  worked with Koppert for the past decade and is one of the most well-informed plant experts of the day regarding ornamental IPM. Her broad range of experience [...] article in the January edition of GrowerTalks. In Cold Chain Management Of Biologicals she discusses the critical time between the delivery of biologicals [...] application and troubleshooting. It’s a highly informative treatment of a topic of great importance to growers who want to get the best pest control result for

• Horiver Disc

  n Remove the silicone cover paper from one side of the trap Place trap around the stem of the plant with the sticky side down, just above the substrate [...] Mode of action Insect pests are attracted to the colour of the sticky trap and get caught in the glue. Presentation Polysterene disc coated with dry sticky [...] substrate Remove the silicone cover paper from the top side of the trap Replace the traps when largely covered by insects and/or debris Dosage One Horiver Disc

• Freezing Tolerance in Blueberries

  May 7, 2020

  effect. A protocol full of energy Different flowering stage on one plant (on the left a one year old branch, on the right a multi-year branch). In the blueberry [...] will have the effect of reducing the freezing temperature. A strong and healthy plant (with strong buds) will freeze at lower temperatures then a weak plant [...] This is caused by the mechanism described above. So we see a direct effect of frost on the damage of buds and flowers. Besides that we see a second, maybe

• Southern European marshland pyralid

  line on the forewing. The end of the remarkably long abdomen bends upward almost vertically, with the abdomen of males often being longer than that of females [...] caterpillars often stay in the lower strata of the crop, sometimes attacking the stem of the plant as well as the leaves. Late instar larvae burrow into soft [...] weeds. The secretive habit of the caterpillars of this species makes them very difficult to control with synthetic pesticides. Damage symptoms The caterpillars

• Horiver Drystick

  Mode of action Insect pests are attracted to the colour of the sticky trap and get caught in the glue. Presentation Polysterene cards coated with dry sticky [...] then also be trapped Remove the silicone cover paper from both sides of the trap Replace the traps when largely covered by insects and/or debris Dosage [...] insects for as long as Horiver Wetstick as the glue gets saturated earlier with insects or dust and debris The silicone cover paper is perforated and can