By Donald Stokes, Lillian Stokes
With those convenient paperback reference publications, illustrated all through with black-and-white line drawings, nature watchers comprehend what to appear for and the way to interpret what they see. even if carried into the sector or consulted at domestic, those books offer readers with attention-grabbing proof and insights into the habit of birds and flora and fauna. With greater than three million copies in their books bought so far, Donald and Lillian Stokes are more and more well-known and celebrated as America's preeminent experts on nature and birding.
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Furthermore, I emphasize the situation in Europe, particularly with reference to registration, and products developed for use in protected crops. The systematic approach, however, could also be applied for other microbial products for control of plant diseases, post-harvest diseases, weeds and other pest organisms. This approach is also relevant for biocontrol products developed for other markets. It could even be used in the development of a plant protection product based on natural substances, plant extracts, pheromones, and others.
Agric. Hortic. 3: 317–327. , G. K. V. Ball, K. D. Sunderland, 2000. Fungal biocontrol of Acari. Biocont. Sci. Technol. 10: 357–384. , G. P. Grant, J. M. Tatchell, 2008. Microbial biopesticides for integrated crop management: an assessment of environmental and regulatory sustainability. Trends Food Sci. Technol. 19: 275–283. , 2009. The manual of biocontrol agents, 4th edition. BCPC Publications, Alton. S. P. Evans, 2007. Viruses. A. K. Kaya (eds), Field manual of techniques in invertebrate pathology, 2nd edition.
Usually, this refers to biological and technical subjects, and sometimes to regulatory aspects. Few authors addressed market and commercial aspects, and even fewer focussed on economic considerations. There is no extensive treatment of the entire developmental process in the literature. Several authors have observed too that, despite abundant research on microbial pest control agents, commercialization of products has only been accomplished in a limited number of cases (Cross and Polonenko 1996; Fravel 1999; Stewart 2001; Hallett 2005; CPL 2007; Droby et al.