• Rose aphid

  aphids. In summer, winged aphids spread the infestation to other rose plants and sometimes also to secondary hosts. Colonies are often present on rose bushes [...] place by parthenogenesis, with unfertilized viviparous females continuing to produce new generations of females. Aphids moult four times before reaching [...] Wingless females of the rose aphid are 1.7-3.6 mm long and green or deep pink to red-brown. The antennae and sometimes the head is dark in colour. The siphunculi

• Horiver Drystick

  growing Do not place traps in-between the plants as parasitic wasps will then also be trapped Remove the silicone cover paper from both sides of the trap Replace [...] m 2 For trapping in hotspots use one Horiver Drystick per 2 to 20 m 2 Notes In contrast to Horiver Wetstick , the glue of Horiver Drystick does not come [...] Nesidiocoris tenuis White: Lygus spp. Mode of action Insect pests are attracted to the colour of the sticky trap and get caught in the glue. Presentation Polysterene

• Southern blight

  plant’s stem, which may also develop on the adjacent soil. Spherical sclerotia, which are initially white and then darken, also form on this vigorous mycelium [...] the stand, meaning it is very often necessary to replant, which increases the crop's production costs. How to prevent southern blight Life cycle and appearance [...] many sclerotia. They are round and their diameter varies from 0.4 to 2 mm. They can be dispersed via water, agricultural tools, and contaminated seeds.

• Tomato leaf miner

  miners cause damage to plants both directly and indirectly. The most direct damage is caused by the larvae mining the leaf tissue, leading to desiccation, premature [...] damage. In (sub-)tropical areas this can lead to burning in fruit such as tomato and melon. Loss of leaves also reduces yield. In full-grown plants of fruiting [...] females can also reduce yield, although except with ornamental crops, this is usually of less significance. Seedlings and young plants can be completely

• Ervipar

  Ervipar depends on climate, crop and aphid density and should always be adjusted to the particular situation. Start introduction preventively soon after [...] euphorbiae ) and glasshouse potato aphid ( Aulacorthum solani ). Ervipar also parasitizes tobacco aphid ( Myzus persicae var. nicotianae ). Mode of action [...] Introduction rates typically range from 0.25-2 per m 2 /release. Releases should be repeated weekly during the period when aphid infestation is expected. Consult

• Codling moth

  codling moth ( Cydia pomonella ) is a notorious, worldwide pest of apple and also occasionally of pear, quince, peach and other fruits. It is very common in [...] the larvae first form a small cavity just under the skin. The entry hole can be seen and is usually plugged by dry frass. The larva then burrows towards the [...] Later, the developing embryo is visible as a red ring. The larvae are up to 20 mm long, initially whitish and later pale pinkish white, with a brown head

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• Tea spider mite

  spreads to entire leaf. Youngs leaves are also equally affected. Infested leaves become reddish bronze and spider mite infested fields can be identified [...] considerable yield loss. Damage symptoms Larvae, nymphs and adults causes damage to the tea plant which sucks the sap of leaves and occasionally on petioles. [...] c activity of leaves, subsequently leaves wilt and defoliation occurs due to increased transpiration and moisture loss. Absence of shade, high temperature

• Pollination checklist tomato

  The flower needs to have been pollinated before it closes. Depending on the conditions, a flower will remain open for one to three days. To check on pollination [...] both to the bumblebees and to people Ensure the hive is horizontal Protect the hive against condensation and rainwater Not all chemical agents can be combined [...] bumblebee's jaw on the flower (bite marks) turn brown within one to four hours and make it possible to check the bumblebees' work. A single visit results in the

• Horiver Wetstick

  growing Do not place traps in-between the plants as parasitic wasps will then also be trapped For Tuta absoluta place black traps 15-25 cm above the ground for [...] Wetstick per 2 to 20 m 2 For trapping Tuta absoluta use at least one Horiver Wetstick trap per 100 m 2 Combined use Yellow Horiver Wetstick can be used in c [...] Green: Echinothrips americanus Mode of action Insect pests are attracted to the colour of the sticky trap and get caught in the glue. Presentation Polysterene