81
Plant viruses and virus diseases.
Book
Subject (ZB): ...plant virus...
82
Plant virology /
Book
Subject (ZB): ...plant virus...
83
The pathogen.
Book
Subject (ZB): ...plant disease...
84
The diseased population, epidemics and control.
Book
Subject (ZB): ...plant disease...
85
Methods for studying soil microflora plant disease relationships /
Book
Subject (ZB): ...plant soil relationship...
86
The diseased plant.
Book
Subject (ZB): ...plant disease...