An Ecological and Societal Approach to Biological Control by J. Eilenberg, Heikki M. T. Hokkanen

By J. Eilenberg, Heikki M. T. Hokkanen

Biological keep an eye on is likely one of the such a lot promising tools for keep an eye on of pests, ailments and weeds, and this e-book treats ecological and societal features jointly for the 1st time. the purpose is to guage the importance of yes organic houses like biodiversity and ordinary habitats. In a societal method phrases like ‘consumer’s attitude’, ‘risk perception’, ‘learning and schooling’ and ‘value triangle’ are famous as major for organic construction and human welfare.

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P. G. 1995. Some problems associated with the analysis of the costs and benefits of pesticides. Crop Protection 14, 593-600. B. S. 1998. East African species introductions and wetland management: sociopolitical dimensions. Symposium proceedings, American Association for the Advancement of Science (AAAS) Africa Program, Science in Africa: Emerging Water Management Issues. Philadelphia, PA, February 1998, 1-30. org/international/africa/ewmi/> 30 March 2005 Burden, D. 2003. Citrus profile. htm> 31 March 2005.

Wyss, Villiger, & Müller-Schärer, 1999) showed the potential of three native predators to control the rosy apple aphid and continued working on mass releases of the most promising predator, the ladybird beetle Adalia bipunctata L. , 1999). Autumn applications against the gynoparae, females and males seem to be promising, but more research is needed to establish a valuable and practical biocontrol of the rosy apple aphid. The next preferred solution would be repellent agents against aphids. For example, autumn treatments with a processed kaolin product hindered the gynoparae and sexuales from landing on apple trees (Wyss & Daniel, 2004).

Due to these efforts, the incidence of fire blight infections has decreased by more than 90 % (van Teylingen, 2002). During the invasive phase of fire blight, some countries allowed the use the antibiotic streptomycine, while organic farmers avoided this synthetic and problematic substance. Simultaneously, researchers worked hard to find alternatives to streptomycine. , 2002; Richter & Fischer, 2002). , 1999). , 2002). Today, products like Serenade® or Biopro® with B. subtilis as the active ingredient are registered and used by fruit growers to prevent fire blight.

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