Amendments to the International rules for seed testing 1985
Subtitle: as agreed on by the 22nd ISTA Congress in Edinburgh, July 1989, valid July 1st, 1990, see also the amendments from the ISTA Congress 1986, valid since July 1st, 1987.
Contributors: International Seed Testing Association.; International Seed Testing Congress (22nd : 1989 : Edinburgh).
Publisher: The International Seed Testing Association
Published: 1990
Place of publication: Zurich, Switzerland
Language: eng
Subjects: Seeds -- Testing.
Other titles: Seed science and technology.; International rules for seed testing.
Notes: "1985 edition of the International rules for seed testing published as Seed science and technology vol. 13 no. 2." (SB114.A1 S4 v.13 no.2) --verso t.p.