Atheta

with 1,000 rove beetles and a 5 L bucket with 5,000 rove beetles. Both packs use peat as a medium. When to use Atheta? Atheta is most effective when introduced [...] establishment. How Atheta works? Atheta is a soil-dwelling species of rove beetle with an aggresive appetite that is attracted to the decomposing of biological [...] please follow the instructions below. Koppert B.V. is not liable for any loss of quality if the product is stored for longer than recommended and/or under

Poinsettia Cultivation Has To Apply IPM

Asian citrus psyllid

citrus psyllid, ( Diaphorina citri ), is an important pest of citrus in several countries as it is a vector of a serious citrus disease called greening [...] Mexico however the state of Florida is the most affected area by the vectored disease. Damage symptoms The psyllid is a sucking insect that inserts its mouthparts [...] plants and then disease is spread when adults fly to a healthy plant and injects bacteria into it as they feed. The disease can kill a citrus tree in as little

Gummy stem blight

greenhouse Choose a cultivar that is less susceptible to internal fruit rot Use clean propagation material During cropping and between consecutive cucumber [...] General Mycosphaerella cucumis (Didymella bryoniae) is a fungal plant pathogen that causes gummy stem blight. Damage symptoms Mycosphaerella cucumis in [...] occur. In cucumber, the most important symptom is internal fruit rot, which can only be recognized from the outside by the small narrowing of the tip of

Fall Armyworm

General The fall armyworm is a polyphagous pest that is indigenous throughout the Americas. Recently, it has been found in Africa too. The caterpillars [...] moths generally disperse in a radius of about 500 km (300 miles) before oviposition, which is sufficient for them to move from seasonally dry habitats to [...] to lights, especially those with a strong ultra-violet component. Damage symptoms The developing larvae eat different parts of the host plant, depending

Black leg of seedlings

border between air and soil or substrate the plant turns brown. A typical symptom of a Pythium infection is the easy stripping of the skin from the root [...] General Pythium is considered a ‘weak pathogen’, meaning that it can usually only affect plants that are in a sub-optimal condition or suffer from stress, caused [...] the oospores is stimulated by exudates from roots of a susceptible host nearby. The oospores germinate and form so-called sporangia from which subsequently

Natutec Airobug

revolving dosage pots ensures a uniform release of carrier material containing natural enemies. The airflow from the fan guarantees a uniform distribution of [...] of this material up to a distance of at least 10 metres from the Airobug. Product components The Airobug is available for mono-rail or pipe-rail and consists [...] releasing the material How to use Airobug from Koppert Storage conditions Store the Airobug and accessories in a dry and dust-free area. Always store the

Spider mites and other mites

mites? Plant mites are a diverse group of small arthropods that feed on plant sap. They are found in a wide variety of habitats, from forests and grasslands [...] of the plant. The number of eggs laid by a single female can vary, and they can hatch within a few days to a couple of weeks, again depending on environmental [...] Biological control of spider mites and other mites uses a range of natural enemies that target different developmental stages of the pest: Predatory mites Predatory

Municipality Doetinchem: Entonem nematodes managing oak processionary caterpillar

Koppert’s nematode product Entonem . A major advantage is that the bycatch of other caterpillars is much lower, which is a great benefit to biodiversity. In [...] There are many oak trees in the forests and plantations around Doetinchem. Marc van Rijswijk is the spokesman for Buha, the implementing organization for [...] management became necessary. ‘We think it is important to maintain the biodiversity in the centre, and public opinion is quite sensitive to spraying here. We

Tomato looper

body is sparsely covered with a few stiff hairs. In older caterpillars , each segment has a clear black dot above the lateral yellow lines. There are three [...] family of Noctuidae . It is a tropical and subtropical species originating in the Mediterranean and northern Africa. The larva is highly polyphagous and [...] The caterpillar passes through 6 instars. It has a green head capsule and a yellowish-green body with a clear yellow longitudinal stripe on either side