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Classical and augmentative biological control against ... - IOBC-WPRS

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Chapter 1<br />

Potential of <strong>biological</strong> <strong>control</strong> based on published research.<br />

1. Protection <strong>against</strong> plant pathogens of selected crops<br />

Philippe C. Nicot 1 , Marc Bardin 1 , Claude Alabouvette 2 , Jürgen Köhl 3 <strong>and</strong> Michelina Ruocco 4<br />

1 INRA, UR407, Unité de Pathologie Végétale, Domaine St Maurice, 84140 Montfavet, France<br />

2 INRA, UMR1229, Microbiologie du Sol et de l'Environnement, 17 rue Sully, 21000 Dijon, France<br />

3 Wageningen UR, Plant Research International, Droevendaalsesteeg 1, P.O. Box 69, 6700 AB<br />

Wageningen, The Netherl<strong>and</strong>s<br />

4 CNR-IPP, Istituto pel la Protezione delle Piante, Via Univrsità 133, Portici (NA) Italy<br />

Evolution of the scientific literature<br />

The scientific literature published between 1973 <strong>and</strong> 2008 comprises a wealth of studies on<br />

<strong>biological</strong> <strong>control</strong> <strong>against</strong> diseases <strong>and</strong> pests of agricultural crops. A survey of the CAB Abstracts®<br />

database shows a steady increase in the yearly number of these publications from 20 in 1973 to over<br />

700 per year since 2004 (Figure 1).<br />

900<br />

Number of publications per year<br />

800<br />

700<br />

600<br />

500<br />

400<br />

300<br />

200<br />

100<br />

0<br />

1970 1975 1980 1985 1990 1995 2000 2005 2010<br />

Publication year<br />

Figure 1:<br />

Evolution of the yearly number of publications dedicated to <strong>biological</strong> <strong>control</strong> of plant<br />

diseases based on a survey of the CAB Abstracts ® database.<br />

This survey was further refined by entering keywords describing some of the major plant<br />

pathogens/diseases of cultivated crops in Europe, alone or cross-referenced with keywords<br />

indicating bio<strong>control</strong>. Among studies published in the period between 1973 <strong>and</strong> 2008 on these<br />

plant pathogens <strong>and</strong> pests, the percentage dedicated to <strong>biological</strong> <strong>control</strong> was substantial, but<br />

unequally distributed (Table 1). It was notably higher for studies on soil-borne (9.5% ± 1.6% as<br />

average ± st<strong>and</strong>ard error) than for those on air-borne diseases (2.8% ± 0.7%).<br />

1

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