LIBRARY  E2/Urugaay 
 
 STATE  PLANT  BOARD  '      ^^ 
 
 UinTED  STATES  DEPAETMSITT  OE  AGRICULTUEE 
 A&RICULTUEAl  EESEARCH  ADl^ilNISTMTICN 
 Bureau  of  Entomology  and  Plant  Q;uarantine 
 Washington, 25,  D.  C. 
 
 B.  E.  P.  q,.   382,  Supplement  No.  1,  Revised        September  27,  19^6 
 
 PLAlTT-QlJAIlAilTINE  Ii^-IPORT  ESSTEICTIOITS 
 REPUBLIC  OP  URUGUAY 
 
 Revised  Restrictions  on  the  Importation  of  Seed  Potatoes 
 
 Decree  No.  1372/9^5  issued  July  30,  19^6,  at  Montevideo, 
 revokes  Decree  No.  50:9^1  of  June  k,    19^1,  regulating  the 
 importation  of  seed  potatoes  into  Uruguay.  Pertinent  articles 
 of  the  new  decree  follow: 
 
 Article  1,  Every  shipment  of  potatoes  imported  into  the 
 country  to  "be  used  as  seed,  must  he  accompanied  by  certificates 
 of  origin  and  plant  health  which  will  make  clear: 
 
 (a)  That  the  exported  tubers  are  practically  free  from  attacks 
 of  insects  and  diseases  mentioned  below: 
 
 Synchytrium  endobioticum  (Schilb.)  Perc. ,  potato  wart, 
 Phthorimaea  (O-nor  imp  schema)  operculella  Zell.,  potato  tuber 
 worm,  Leptinotarsa  (DoryphoraJ  decemlineata  Say,  Bacterium 
 solanaceamm  EPS,  bacterial  v;ilt,  Phytomonas  sepedonica 
 Bergert  et  aly  ring  rot. 
 
 (b)  That  the  potatoes  to  be  exported  must  be  free  from  other 
 serious  parasitic  diseases,  a  prudent  margin  of  tolerance  to  be 
 permitted  for  harmless  affections. 
 
 In  particular  with  reference  to  potato  scabs,  they  must  be 
 distinguished: 
 
 (1)  Common  scabs  (Actinomyces  sca.bies)  \(Thax.)  Gues.,  and  other 
 agents. 
 
 (2)  Black  scab  (Rhizoctonia  violacea  Tul.) 
 
 (3)  Pov;dery  scab  (Spongospora  subt erranea.  (Wallr.)  T.  Johnson.) 
 
 The  follov/ing  tolerances  will  be  applied  in  connection 
 with  these  diseases: 
 
 Slight  attacks — up  to  10  percent  of  the  number  of  potatoes 
 Severe  attacks — up  to  5  percent  of  the  number  of  potatoes 
 
 Every  attack  which  exceeds  the  indicated  percentages  will 
 necessitate  the  disinfection  of  the  shi-oments. 
 
-  2  - 
 
 Article  2.  In  adc.ition  to  the  certificates  of  healthy  origin, 
 the  shipments  of  potatoes  must  "be   accompanied  "by  a  certificate 
 issued  "by  the  G-ovsrnment  of  the  exporting  country,  inwhich  it  is 
 made  clear  that  the  selected  tuhcrs^  were  actually  grown  -for  seed 
 and  that  the  fields  from  which  they  came  ha,ve  "been  under  control, 
 or  have  been  the  object  of  official  inspection,  in  which  the 
 absence  of  "degeneration"  diseases  was  verified  ix^   a  practical 
 manner,  "degeneration"  meaning  the  various  virus  diseases  which 
 lower  the  vitality  of  .the  tubers. 
 
 Article  3-  If  on   arriva.1  in  the  country,  the  potatoes  arc 
 judged  unsuited  for  seed  by  the  technical  staff  of  the  Diroccion 
 do  Agronomica,  they  can  be  used  for  consumption,  if  there  is  no 
 special  reason  to  disqualify  them  for  tha.t  also. 
 
 Article  k.     Domestic  regulations  dealing  \\;ith  potatoes  judged 
 unsuitable  for  seed  or  consumption. 
 
 Article  5»  Provision  for  revision  when  necessary. 
 
 Article  6.  Revocation  of  decree  of  June  U,  19^1. 
 
 Article  7«   Signatures. 
 
 AVSHT  S.  HOYT 
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