• Apple scab

  dark lesions which may not be noticed before harvest. Life cycle and appearance of Apple scab Venturia inaequalis overwinters in the form of unripe fruiting [...] released and repeat the cycle of infection of new plant parts and spore production. In autumn, the fungus produces new pseudothecia in leaves that have already [...] mechanism is to produce corky rings around the lesions to prevent further invasion of tissue by the fungus. Late fruit infection only results in small dark

• Antracnosis del haba

  formed from which orange-red masses of two-celled conidia are exuded. Secondary infection is by splash dispersal of these conidia. There is no known sexual [...] ) 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 [...] Life cycle and appearance of Pea blight, leaf and pod spot Ascochyta pisi hardly survives in the soil or on crop residues because of its poor saprophytic

• Black tea thrips

  Heliothrips haemorrhoidalis , is widely distributed in the tropics and subtropics; it also occurs in greenhouses of temperate areas, is highly polyphagous, and [...] stage which is light yellow with red eyes and short wing pads. The pupal stage is slightly larger, with longer wing pads and larger eyes. It is yellowish [...] yellow and drop. In addition, leaves are covered with small droplets of black excrement from the thrips. Life cycle and appearance of Black tea thrips

• Oriental fruit moth

  The cocoon is a protective covering for the full-grown larva and pupa. It is made of silken threads and particles of the objects on which it rests. The [...] molesta ) is an important pest of peach and nectarines; other fruit trees like apple, pear, almond and apricot are also attacked by this pest. It is native [...] destroy buds in spring and disrupt the growth of young shoots, causing them to wilt. Infested young fruit may drop prematurely. Attack of older fruits

• False spider mites

  clear red colour and elliptical in shape. They are laid in a fold in the leaf or along the mid-vein, often in dense clusters of several hundreds. [...] premature ageing of the plant. In some crops, plants can become misshapen, presumably because the mites secrete a substance while feeding, that is poisonous to [...] Tenuipalpus pacificus , which causes damage to orchids and Brevipalpus phoenicis , Brevipalpus obovatus and Brevipalpus californicus which have an almost worldwide

• FAQ Nematodes

  the nematode is in the host and the temperature is not too low is there a small chance that the nematodes can overwinter. However, this is never to the [...] has found a host. Is the effect visible? Infected larvae will change color because of the growth of the bacteria and nematodes. In case of Heterorhabditis [...] number of other genera and species, but they are found in much smaller quantities. Are the released bacteria harmful? No. This group of bacteria is only

• 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 Europe. Damage [...] caterpillars of the last generation overwinter and pupate in spring. Larvae still in the apples at harvest can often be found in cracks in apple boxes or [...] entry hole can be seen and is usually plugged by dry frass. The larva then burrows towards the core and eats a large proportion of the flesh, leaving behind

• Trial_and_Field_results_nematodes_in_fruit_orchards_EN_-_Koppert.pdf

  with the quantity of nematodes,’ Michel explains. ‘It’s easy to dilute in this way.’ Michel says it is easy to apply if the ground is already wet. He waits [...] Effective results in reducing damage from lepidopteran pests in top and stone fruits Impact of Capirel autumn application on codling moth (Cydia pomonella) [...] 5% 1% -61% 0,5% 0 -80% End of 1 generation 15-06-2009 st Untreated End of 1st generation 15-06-2010 Capirel Impact of one or two Capirel applications

• Shore fly

  very commonly, often in the vicinity of water. They feed on algae. Other shore fly species have diverse feeding habits but the larvae of most species feed [...] instar larva is translucent white. Second instar larvae are brownish, less translucent and their body is cylindrical. The larvae are found in the top layer [...] flowers in ornamental crops, lettuce and herbs also causes cosmetic damage, and sometimes this can occur on such a scale that growth, particularly of young

• Moscas

  shore flies are mainly a problem in greenhouses. Their larvae live in the ground and prefer moist substrates that is rich in organic matter. Although they [...] problem due to their large number. Larvae of flies of the family Keroplatidae (mainly Lyprauta sp.) can cause damage in potted orchids. The Spotted Wing Drosophila [...] damage depends on the species of the flies. Direct damage is the immediate result of larvae feeding on root hairs and tender roots as well as stem and leaf tissue