• Aphidius colemani

  aphids do not die at once but usually continue to feed and secrete honeydew. Second and third instar aphids are preferred, but all stages can be parasitized [...] instar aphid nymphs and adult aphids will produce offspring for two more days, but if an aphid is parasitized in a younger stage there will be no reproduction

• Gerbera

  shape and colour. The main colours are white, yellow, orange, red and pink, but one flower can have petals in varying colours. In addition, the gerbera is

• Tomato

  ‘half-hardy’ perennials. The plants die every year in temperate climate, but in greenhouses they can sometimes sustain up to three years. A great number

• Pea blight, leaf and pod spot

  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 may have brown

• Cottony soft rot

  the naked eye and look like rat droppings. The symptoms may occur on stems but also on leaves, fruits and pods. Root infection often leads to premature wilting

• Pepper

  pepper plant is native to tropical America. Pepper plants are perennials, but are typically grown as summer annuals. Pepper plants are propagated by seeding

• Orange

  some 75% mandarin. The hybrid however is not a basic backcrossed BC1 hybrid, but the orange is actually hybridized over multiple generations. When it comes

• Bacterial spot

  and light brown. On fruits the spots are first small, circular and green but they turn brown, become raised and look like cracked scab. Life cycle and

• Brown root rot, corky root rot

  squash, spinach and safflower. The disease develops between 8 and 32 °C, but the fungus prefers low temperatures. Therefore, optimal temperatures for disease

• 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