Patent number: 4992243
Abstract: The present invention relates to the art of agriculture. The method of sterilizing anthers of plants comprises treatment of the plants with a sterilizing agent in combination with a diluent during the period of the fifth and/or sixth stage of organogenesis. According to the invention, as the sterilizing agent use is made of derivatives of phosphoric acids of the general formula: ##STR1## wherein R is H, a C.sub.1 -C.sub.4 alkoxy, dimethylamine, wherein X is O, NH; B is H, a C.sub.1 -C.sub.4 alkyl, phenyl, D is H, CH.sub.3 ; A is a C.sub.1 -C.sub.4 alkyl, phenyl furyl; R' is OH, ONH.sub.4, OAlk(C.sub.1 -C.sub.4), phenyl; R.sup.2 is a C.sub.1 -C.sub.4 alkyl, NaNH.sub.4, NH.sub.3 Alk(C.sub.1 -C.sub.4), NH.sub.2 Alk.sub.2 (C.sub.1 -C.sub.4), or mixtures thereof. The method according to the present invention is useful in selection and seed production.
Type:
Grant
Filed:
January 8, 1990
Date of Patent:
February 12, 1991
Inventors:
Marat A. Fedin, Tatyana A. Kuznetsova, Leonid K. Voskoboinik, Tatyana S. Fedorenko, Alexandra T. Prokopenko, Ivan V. Martynov, Jury P. Belov, Vyacheslav V. Kormachev, Oleg A. Kolyamshin, Valentin A. Savchuk, Leonid S. Shevnitsyn, Valery V. Smirnov, Viktor A. Gradov, Sergei I. Paklin, Svetlana A. Novikova, Alexandr A. Vishnyakov, Alexei J. Axinenko, Marina G. Rudakova