• Codling moth

  1 de enero de 1970

  with ash-grey and a large, metallic, bronzy black ocellus on the hind part. The hindwings are brown. The eggs are about 1.3 x 1.0 mm, and whitish opalescent [...] mm long, initially whitish and later pale pinkish white, with a brown head and a pale anal plate. The pupa is 8-10 mm long and yellowish brown to dark brown [...] under loose bark, cracks in trunks or supporting stalks, or other places. Depending on the climate, there are one, two or more generations per year. The fully

• Black tea thrips

  1 de enero de 1970

  apex of the abdomen paler; females are 1.4-1.7 mm long and males are 1.1-1.2 mm long. The legs are entirely white or yellow. The greenhouse thrips is par [...] mating, and males are rare. The adults are poor fliers and tend to remain in the shaded areas on the plant. The eggs are white and banana-shaped and are inserted [...] lower surface first and, as feeding progresses and the population increases, moves to the upper surface. The leaves become discoloured and become distorted

• Oriental fruit moth

  1 de enero de 1970

  are laid singly on leaves and twigs of trees. The larvae emerge 1-4 weeks later depending on temperature, and bore into buds and shoots. They are fully grown [...] peach and nectarines; other fruit trees like apple, pear, almond and apricot are also attacked by this pest. It is native to north-west China, and spread [...] partially destroyed and filled with brown frass. Life cycle and appearance of Oriental fruit moth The adult has a wing span of 10-16 mm, and is dark-grey. When

• FAQ Nematodes

  1 de enero de 1970

  is, asparagus beetle, Tuta absoluta and several fruit moths and beetles. 2. Application Which nematode should I use? Please contact your advisor for [...] will sink to the bottom and die of oxygen deficiency. Therefore, a suspension must always be kept in motion or aerated. Which pH and EC values are safe? pH [...] solubility and a long shelf life for a living product. Is the carrier material harmful to humans? No, it is biodegradable and not harmful to humans or any animals

• Antracnosis del haba

  1 de enero de 1970

  causes A scochyta blight on pea (leaf blight or pea blight) and lesions of stems, leaves, and pods (pea leaf spot and pea pod spot). Damage symptoms Ascochyta [...] stems and pods of peas. The spots on leaves and pods are round, on the stems they are more elongated. The lesions are light brown, sunken and surrounded [...] the primary leaves. The fungus is seed borne and thus also causes post- and pre-emergence damping off and dwarfing. Other Ascochyta species may also infect

• Trial_and_Field_results_nematodes_in_fruit_orchards_EN_-_Koppert.pdf

  1 de enero de 1970

  damage % 2% 1,5% 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 [...] ’ ‘I had some difficulties with codling moths and leafrollers at the time and switched to biocontrol to save my production,’ Michael remembers. ‘I was [...] application and good results ‘For the preparation, I leave the nematodes at room temperature for half an hour, then I pour them in water. And then we stir

• Escarabajos

  1 de enero de 1970

  damage Both larvae and adults of beetles can cause damage to crops. The larvae of some species feed on growing tips and roots or chew and bore into stems [...] of all insect orders and displays an enormous variety of form, size and habit. A number of species are a serious pest in crops or stored products. There [...] resemble the adult at all, and must pass through a pupal instar before reaching the adult stage. Larvae have biting mouthparts and mostly feed on the same

• Moscas

  1 de enero de 1970

  re and mushroom cultivation. Species that can cause damage or nuisance, are particularly small flies of the families Sciaridae (sciarid flies) and Ephydridae [...] fruits in Europe and North America. Sciarid flies and shore flies are mainly a problem in greenhouses. Their larvae live in the ground and prefer moist substrates [...] immediate result of larvae feeding on root hairs and tender roots as well as stem and leaf tissue and fruits. The lesions caused by feeding larvae provide

• Apple scab

  1 de enero de 1970

  petioles and fruits and sometimes on twigs and bud scales. The lesions are olive-green. When spores are produced, the lesions become grey and fluffy. The [...] unripe fruiting bodies, or pseudothecia ripen in winter and form ascospores. Depending on the temperature, these ascospores mature and are subsequently released [...] restricted, whereas the lesions caused by conidia extend faster and may merge. Infected fruits and leaves may fall off prematurely. The plants’ defence mechanism

• False spider mites

  1 de enero de 1970

  protonymph, deutonymph and adult. They move slowly and are mostly found along the veins on the underside of leaves. The mites are flattened and egg-shaped when [...] the genera Brevipalpus and Tenuipalpus . The most common species are Tenuipalpus pacificus , which causes damage to orchids and Brevipalpus phoenicis [...] , Brevipalpus obovatus and Brevipalpus californicus which have an almost worldwide distribution and many host plants. Damage symptoms False spider mites