Potato leafroll virus
Jayasinghe, Upali
Potato leafroll virus Upali Jayasinghe - Lima International Potato Center 1988 - 21p.; 22cm. - (Technical information bulletin; no. 22) .
635.212 5 J334P
Potato leafroll virus Upali Jayasinghe - Lima International Potato Center 1988 - 21p.; 22cm. - (Technical information bulletin; no. 22) .
635.212 5 J334P