TY  - SER
AU  - Nielsen,L.W
AU  - Yen,D.E
TI  - Resistance in sweet potato to the scurf and black rot pathogens
KW  - Botanique
KW  - Flore
KW  - Patate douce
KW  - Ipomoea batatas
KW  - Maladie
KW  - Méthode analyse
KW  - Resistance
N1  - <<<<<<Donation Engel>>>>>>; bibliogr. p. 1041
ER  -