• Antracnosis del haba

  that 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 [...] Infected seeds may have brown areas. Life cycle and appearance of Pea blight, leaf and pod spot Ascochyta pisi hardly survives in the soil or on crop residues [...] °C and the spores require water for dispersal. How to prevent Pea blight, leaf and pod spot Grow peas in arid regions Use clean seed Use a minimum crop

• Apple scab

  between 18 and 24 °C, only 9 hours of leaf wetness is required, at lower temperatures this increases to 12-28 hours of leaf wetness for successful infection [...] cultivars Prune to ensure good air circulation, this decreases the duration of leaf wetness Shred fallen leaves in autumn/winter Spray fallen leaves with urea

• False spider mites

  scabby discolouration spreading from both sides of the main vein into the leaf blade. The damage often leads to premature ageing of the plant. In some crops [...] 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.

• Diglyphus isaea

  escapa de la mina haciendo un agujero redondo a través de la epidermis superior. Estos agujeros redondos son la prueba de que de la mina de hojas ha salido [...] situación particular. Comience la introducción tan pronto como las primeras minas sean visibles en el cultivo. Las dosis de introducción suelen oscilar entre [...] viejas de D. isaea abandonan a su huésped muerto y se arrastran de vuelta a la mina para pupar. Hay tres estadios larvarios: el primero es incoloro y transparente

• Moscas

  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 invasion

• Minadores de hojas

  pequeñas cuyas larvas hacen un túnel en las hojas de las plantas, creando "minas". Hay muchas especies de minadores de hojas que afectan a varios cultivos