• Tomato russet mite

  Australia and is a pest in tomatoes in all areas where they are grown. Other members of the plant family Solanaceae may be affected to a lesser extent [...] The first nymphal stage is a transparent white colour and about 0.1 mm long. They usually develop to the 2nd stage within a day. All life stages look [...] referred to as Vasates lycopersici, Vasates destructor and Phyllocoptes destructor in older publications) belongs to the family Eriophyidae. It does not

• Spidex Vital® sets new standards in spider control

  May 12, 2021

  carrier is a positive feature of Spidex Vital ® . In order to check the product for the presence of P. persimilis , a simple procedure can be carried out [...] Spidex Vital ® has only been on the market for a short period, but already its performance is striking a chord with growers, and there are strong indications [...] rather than red. “It was important to communicate this fundamental difference to the market when we launched the product last month, in order to allay unnecessary

• Boisduval scale

  the tropics, and in greenhouses in more temperate climates. It is very polyphagous and can be a pest of orchids, palms, pineapples, bananas and many other [...] produce up to 200 eggs and live up to seven months. Eggs hatch within five to seven days under the scale and become crawlers. The crawlers move out to look for [...] for a suitable place to feed and become sessile usually after a few hours The development from egg to the adult stage takes on average 33 days for males

• Flies

  moist substrates that is rich in organic matter. Although they cause little direct damage to plants, they are often a problem due to their large number. [...] Europe and the Americas where it is causing serious damage to many soft fruit crops. Fly damage Flies can cause damage to crops both directly and indirectly [...] occur on such a scale that growth, particularly of young cuttings, can be retarded. Fly control videos Take a look at the video or go to our Youtube channel

• Codling moth

  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 and a pale anal [...] 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 Europe [...] invading the fruit, 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

• Crazy roots, hairy roots, crown gall

  yet been defined. The assumption is that the bacteria survive in the soil, but it is possible that first infection is from the propagation material. Infection [...] disease seems to be caused by a change in the hormonal system of the plant resulting from the Rhizobium infection. Rhizobium rhizogenes puts a Ri-plasmid [...] tissue and causes a genetic change in the plant. How to prevent Crazy roots, hairy roots, crown gall Use clean propagation material Use a strict hygiene protocol

• Modified formulation for Macro-Mite

  December 18, 2018

  has a huge appetite and feeds on a variety of pests. Not only can this predatory mite be used to combat sciarid flies white worms, and thrips , it also [...] vitality is a result of the fact that the predatory mite can behave in a more natural way in the new carrier material. Upon delivery of the product, it remains [...] testing, Koppert will be replacing the carrier material for Macro-Mite . From 17 September, the predatory mite is supplied with a carrier material that

• Pierce's disease of grapevine

  General Xylella fastidiosa is a gram-negative bacterium which is limited to xylem tissue. It has many hosts, many of which show minor or no symptoms. More [...] canopy of infected plants is compact and umbrella-like due to the shorter internodes. The foliage is denser and the leaves are a darker green than usual [...] from early to midsummer. The necrotic area spreads over the leaf from the margin and is marked by a chlorotic band. In the beginning, only a few leaves

• Mottled arum aphid

  circumflexus , has a cosmopolitan distribution and a wide host range. In temperate climates it is primarily a pest in greenhouses where it attacks many ornamentals [...] arum aphid is entirely by parthenogenesis, with unfertilized viviparous females continuously producing new generations of females. There is no sexual stage [...] head, broken along the midline, and a large horseshoe-shaped spot on the back of the abdomen. These black markings can be highly variable. Adult females are

• Tomato leaf miner

  third instar larva, that emerges from its tunnel just prior to pupating, is known as a prepupa. This stage lasts only a few hours. [...] 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 [...] except with ornamental crops, this is usually of less significance. Seedlings and young plants can be completely destroyed as a result of the direct damage caused