TY  - SER
AU  - Nickel,O.
AU  - Santos Filho,H.P.
AU  - Vilarinhos,A.D.
TI  - A fluorescent compound in rootlets of sweet orange trees affected by Bahia-Type psorosis induced by the citrus tristeza virus
KW  - Laranja
KW  - Tristeza Citrica
KW  - Sorose
ER  -