Praon volucre

Releases should be repeated when aphids are still present. If the aphid species present is known it might be better to switch to an appropriate single [...] wasp Praon volucre At a temperature of 22°C Praon volucre females can lay 500 eggs in Macrosiphum euphorbiae over a period of 18 days. Fifty percent of [...] cycle and appearance of Praon volucre The parasitic wasp lays an egg inside the aphid where the larva of the parasitic wasp will develop. Larval pupation

Tobacco whitefly

retarded. In full sunlight, leaves can wilt and fall. Such leaf damage can in turn influence the development of fruit and lead to a reduction in yield. The [...] insect was first identified on tobacco in Greece in 1889, hence the name tabaci . It has subsequently been found in most tropical and subtropical countries [...] Bemisia tabaci ) has an enormous host range and has affected an extremely wide range of crops throughout the world. It causes damage in (sub-)tropical areas

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 deformed [...] of piercing by the aphids are visible in lower leaves in the form of yellow patches. Heavy yellowing may even be followed by defoliation. Life cycle Glasshouse [...] cycles occur on the same host plant. The aphid can overwinter not only in greenhouses, but also outdoors in sheltered places.

Crop Monitoring and Scouting

crop monitoring and scouting In the world of agriculture and horticulture, the phrase "knowledge is power" couldn't be truer. Crop monitoring and scouting [...] thrive. Digital scouting apps In the digital age, scouting is aided by mobile apps that can catalogue and analyse data in real time. These tools streamline [...] scouting process and make it more efficient. Using a crop scouting tool in horticulture can lead to more effective, sustainable, and profitable crop production

Chrysoperla carnea

them in their jaws. The prey is injected with a salivary fluid that digests the body contents, which are then sucked out. The prey can sometimes be larger [...] , commonly known as the green lacewing, is a beneficial insect used in agriculture as a natural predator of various pest insects. It belongs to the family [...] mealybugs , and other soft-bodied insects that are harmful to plants. In agriculture, Chrysoperla carnea i s employed as a biological control agent to manage

American serpentine leaf miner

cosmetic damage. In tropical and subtropical areas this can lead to burning in fruit such as tomato and melon. Loss of leaves also reduces yield. In full-grown [...] significance. Seedlings and young plants can be completely destroyed as a result of the direct damage caused by leaf miners. In gerbera, the larva of the American [...] quantity of foliage can get damaged before the harvest is affected. The older larvae make wider tunnels. Feeding spots made by adult females can also reduce yield

Horiver Rollertrap

trapping whiteflies, thrips , leaf miner and fungus gnats in hot spots or places where high pressure can be expected, such as along gables, ventilation windows [...] placing them. The glue will be softer and the traps will unroll more easily. Application Place Rollertraps in areas where high pest pressure is expected [...] Dosage One Rollertrap per 1 to 3 plant rows. Timing In high crops Rollertraps should preferably be installed when the crop is still low, just before or

Shore fly

transmit plant diseases and can be a nuisance to greenhouse works by their sheer numbers. Frass deposited on leaves or flowers in ornamental crops, lettuce [...] cosmetic damage, and sometimes this can occur on such a scale that growth, particularly of young cuttings, can be retarded. Life cycle and appearance of [...] found in greenhouses. Damage symptoms Shore flies ( Scatella tenuicosta) do not attack plants directly, as they feed on green algae. However, they can transmit

Veni Calcium

Calcium in critical growth stages when calcium deficiency can be expected Application rates typically range from 2-5 litres/ha Applications should be repeated [...] plant which can easily be taken up. Crops All crops. Mode of action Veni Calcium is applied as foliar fertiliser, bringing the calcium quickly where it is needed [...] needed. The calcium in the product can easily be taken up by the plant. Pack size 5 and 20 litre containers. Presentation Light brown liquid. Content 10%

Anagyrus vladimiri

female is about 1.5-2 mm in length and brown, with distinctive black and white banded antennae. The male is 0.8 mm in length and black in colour. Anagyrus vladimiri [...] vladimir is available in a bottle ( Citripar ). Remove the label from the bottle according to the instructions Hang the bottle in the crop, out of direct [...] direct sunlight Deploy in or near the mealybug colonies Leave bottles in the crop for at least two weeks Carry out adequate ant control The dosage of Citripar