Clean stocks [tree and small temperate fruit crops] are the first line of defence against virus
1979
Posnette, A.F. (East Malling Research Station, Maidstone (UK))
书目信息
Horticulture Industry (UK)
页码
pp. 9-10
语言
英语
注释
2 pl.
1981-06-15
AGRIS AP
