Plucknett, Donald; Smith, Nigel J. <br/><br/>
Plant quarantine and the international transfer of germplasm. 

 - Washington :  World Bank,  1988. 
 - Cgiar study paper no. 25 .
<br/><br/> The paper reviews the history of quarantine service, discusses principles of successful quarantine operations, identifies major constraints to the exchange of plant materials due to quarantine restrictions and procedures, and explores some difficulties, and lookes at disease detection. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Plant diseases.<br/>Plant pathology -- Phytopathology.--Plant pathology -- Phytopathology.