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Journal International Organization of Citrus Virologists Conference Proceedings
n 5ipnific.a tjt symptom or older. tristcza-d is~nsecl sweet orangr t rep3 011 sour o r a t l g~ rootstock. Concurrently with the wnrk on the I d -u n i o n disease in l h~ Amcric-as. a S~P~M . and wood-pitting disease n t g r a p f r u i~. Cirrris parudisi Macf.. ( 17. 22 I . and a wood-pitt inp and vein-flecking dipeas~ of lirnea (1.5. 16 ) were d e~c r i l~~d and inrr~tigated in Africa.fatcat:eadx6p3of5eb5g2lfsoe4aiddy