The nature and control of clonal senility in commercial varieties of citrus in South Africa /
Oberholzer, P.C.J.
The nature and control of clonal senility in commercial varieties of citrus in South Africa / P.C.J. Oberholzer and J.D.J. Hofmeyr - Pretoria : Faculty of Agriculture, University of Pretoria, 195 5. - 46 p. : ill. ; 24 cm.
Citrus fruits--Diseases and pests--Africa, South.
633.40968
The nature and control of clonal senility in commercial varieties of citrus in South Africa / P.C.J. Oberholzer and J.D.J. Hofmeyr - Pretoria : Faculty of Agriculture, University of Pretoria, 195 5. - 46 p. : ill. ; 24 cm.
Citrus fruits--Diseases and pests--Africa, South.
633.40968