international survey of factors of virulence of puccinia striiformis westend in 1969, 1970 and 1971
Subtitle: report
By: by R.W. Stubbs ... [et al.].
Contributors: Stubbs, R. W.
Series: Technich Bericht / Nederlands Graan-Centrum -- nr.21
Publisher: [Institute for Phytopathological Research?]
Published: 1974
Place of publication: Wageningen
Language: eng
Number of pages: 88
Notes: Includes bibliographical references.