• Bacterial wilt, brown rot

  adventitious roots on the stem. The vascular stem tissue is coloured brown and when the stem is cut, bacterial slime oozes from the wound. This is the way to [...] in the tubers becomes grey-brown and the tuber eyes also turn grey-brown. This disease can be distinguished from Clavibacter by the bacterial slime produced [...] youngest leaves are affected first. They show signs of wilting during the day which may disappear in the early stages of infection. Under conditions favourable

• Amblydromalus limonicus

  Amblydromalus limonicus lays 3.7 eggs per day on young eggs, 1.2 eggs per day on older eggs and 3.3-3.4 eggs per day on crawlers and nymphs. It consumes about [...] predatory mite feeding on whiteflies, thrips, other small insects and mites. Like other generalist predatory mites , it can also feed on pollen. Amblydromalus [...] Amblydromalus limonicus preys on several other small organisms such as spider mites and tarsonemid mites. They can also feed on pollen and take fluids from

• Outdoor crops pollination advice

  humans and bumblebees during the flowering period. You can achieve this by placing the hive on a crate or stack of stones. Additionally, remove any flowering [...] Tips for outdoor pollination Timing Introduce bumblebees to the area 4-7 days before the flowering period begins. The bees will start pollinating as soon [...] the hive is positioned in the crop immediately after delivery or within one day to allow the bumblebees to find food sources. Placement To maximise pollination

• Spidex

  cap to open the dosage hole Sprinkle material on leaves or pour into Diboxes Make sure the material remains on the introduction site for at least a few hours [...] g , Natutec Airbug or Natutec Airobug Dosage The dosage of Spidex depends on climate, crop and spider mite density and should always be adjusted to the [...] Koppert advisor or a recognised distributor of Koppert products for advice on the best strategy for your situation. Environmental conditions Phytoseiulus

• Poinsettia. Main pest pressures

  May 21, 2019

  Apply at 2, 5 and 8 days after planting; this is key to ensuring that cuttings can form roots without being damaged, and after 14 days the roots should be [...] prior to the first spacing. After spacing, and based on the sticky trap counts of adult whitefly , this can be adjusted accordingly. Swirski-Mite Introduction [...] serious damage to the cuttings, to the extent of killing them. The larvae feed on the young roots of the plants, and can then progress into the stem, if not

• Amblyseius andersoni

  Amblyseius andersoni preys on several other small organisms such as whitefly , tarsonemid mites and rust mites. They can also feed on pollen which is useful [...] of Western Flower Thrips ( Frankliniella occidentalis ) per day and lays 2.3 eggs per day. Life cycle of Amblyseius andersoni Mobile stages are beige, [...] turning around the bucket a few times Carefully sprinkle on the leaves Make sure the material remains on the leaves for at least a few hours after releasing

• Potato aphid

  crop and its fruit sticky. Black fungal moulds ( Cladosporium spp.) grow on this honeydew, contaminating fruit and ornamental crops and rendering them unsuitable [...] the dorsal surface. In green individuals, this stripe is dark green, while in pink specimens it is dark red. This longitudinal stripe is specifically cha [...] aphid ( Macrosiphum euphorbiae ) is of North American origin, but is these days distributed throughout the world. It is a highly polyphagous species with

• Minusa

  adult wasp will emerge from the pupa. Visual effect It is not possible to see on the outside if the leaf miner larvae or pupae are parasitised. Pack size 500 [...] crop in the morning or in the evening Dosage The dosage of Minusa depends on climate, crop and leaf miner density and should always be adjusted to the [...] Koppert advisor or a recognised distributor of Koppert products for advice on the best strategy for your situation. Environmental conditions Minusa is more

• Aphidius matricariae

  material on rock wool slabs or in Diboxes Make sure the material remains dry and is not moved from its introduction site for at least a few days The dosage [...] their feeding rates based on aphid density, optimizing their predatory impact in areas with high aphid concentrations. In this way, Aphidius matricariae [...] ons in agriculture. Adult wasps do not engage in feeding on aphids, but primarily subsist on nectar and water. Life cycle and appearance of Aphidius m

• About bumblebees

  become active at higher temperatures Bumblebees are active on cloudy, foggy, and rainy days. Honeybees are less active at low light levels Bumblebees work [...] and faster ripening of fruit Bumblebees are reliable workers , they work 7 days a week from dusk till dawn Bumblebees work well under poor weather conditions [...] Bumblebees pollinate flowers through a method called 'buzz- pollination ', this will allow a bumblebee to pollinate a flower in a single visit. A honeybee