Pea blight, leaf and pod spot

General Ascochyta pisi is a fungal plant pathogen that causes A scochyta blight on pea (leaf blight or pea blight) and lesions of stems, leaves, and pods [...] sunken and surrounded by a dark brown to red-brown border. The first infection is often on the primary leaves. The fungus is seed borne and thus also causes [...] ) causes foot rot in peas, whereas Ascochyta pisi does occur sometimes at the stem base but is not part of the foot rot syndrome in peas. Infected seeds

Miglyphus

using the dead larvae as food. Adult females also kill young leaf miner larvae by using them as a food source. This is known as host feeding. Visual effect [...] size 500 adults. Presentation 100 ml bottle. Carrier None. Application Release parasitic wasps between the leaves of the crop in the morning or in the evening [...] Lyriomyza spp.). Mode of action Adult female parasitic wasps of Diglyphus isaea kill second and third instar leaf miner larvae in the mine and lay their eggs

Western flower thrips

s) is currently the most damaging thrips species in many greenhouse crops. The western flower thrips (Frankliniella occidentalis) can be found on a wide [...] many vegetable and ornamental crops in greenhouses, and on various weeds. It is an especially significant pest in cucumber, sweet pepper, eggplants, and [...] occidentalis) are laid in leaves, flower petals and in the soft parts of stalks. They are inserted into the plant tissue with a saw-like ovipositor. Larvae

Spidex Vital lives up to its promises

shall see.’ A more robust system Based on his initial experiences, Sjaak van Dijk is pleased with Spidex Vital. ‘It’s a good sign if you have a predatory [...] old crop is always cleared away, I start from scratch each time and have to build up the necessary populations three times. This is always a critical and [...] the population develops more rapidly.’ A sense of calm on the farm The increased effectiveness of Spidex Vital is a major advantage for Sjaak van Dijk. ‘As

Mirical

clean, dry rock wool slabs, in Diboxes or on leaves. Make sure the material is not disturbed for at least a few hours Introduce in clusters of at least 50 [...] plants). Mode of action Adult predatory bugs and nymphs actively search for their prey and suck them out. The skin is left behind in its original form. Pack [...] m 2 /release. Releases should be repeated after 2 weeks. Consult a Koppert advisor or a recognized distributor of Koppert products for advice on the best

Eretmocerus eremicus

death and contributing to a decline in whitefly populations. Eretmocerus eremicus is particularly noted for its adaptability in varying environmental conditions [...] eremicus Eretmocerus eremicus is a small parasitic wasp belonging to the family Aphelinidae . This beneficial insect is used as an important biological [...] s eremicus is still active at temperatures above 30°C/86°F. Behaviour of the parasitic wasp Eretmocerus eremicus Eretmocerus eremicus is a highly effective

Cotton aphid

early enough in the season, the death of young plants. Retarded growth and defoliation reduce yield. Plant sap is rich in sugars, but has a low protein [...] with both winged and wingless forms of adults and a great variety in colour. In greenhouses reproduction takes place by parthenogenesis, with unfertilized [...] cotton aphid ( Aphis gossypii ) is distributed throughout the world but prefers the warmer regions. It has been a pest in European greenhouses since the

Fusarium wilt

General Fusarium is a group of soil-borne fungi with many different species. Fusarium is widespread and can infect a range of host crops. Many species [...] clean substrate in greenhouse crops Disinfect tools, machinery and irrigation water in greenhouses Prevent stress for the plants Ensure there is adequate soil [...] stem rot, leaf lesions, fruit rot, head blight in cereals and post-harvest decay. Fusarium oxysporum is the species causing vascular wilt. First the leaves

Tomato leafminer

or on the surface of a leaf, in a curled leaf or in a mine. If they leave the mines they build silk cocoons on the leaflets or in the soil. When pupation [...] build cocoons. Pupae have a greenish coloration at first, and then turn chestnut and dark brown shortly before adult emergence. Adult moths of the tomato leaf [...] leaf miner (Tuta absoluta), a major pest of field- and greenhouse-grown tomatoes, belongs to the family of Gelechiidae . It is oligophagous, feeding mainly

Downy mildew of rose

the foot is infected first and this causes the plant to fall over. In cabbage the stem is also infected in severe epidemics. In blackberry, red stripes may [...] appears which is first white and later turns grey-brown. This is, in fact, the sporulation of the pathogens extruding from the stomata. In lettuce, the [...] and sporulation is relatively low, in general between 10 and 20 °C. Late in the season new overwintering oospores are produced and buried in the soil with