Plant male sterilant

Details Plant male sterilant Plant male sterilant

1989-03-03

1990-12-11

Raymond, Richard L.

Chemistry: fertilizers

Processes and products

Forms or conditioning

71111, 71113, 71115, 71118, 71119, A01N 3720, A01N 3718, A01N 3326, A01N 3304, A01N 3308, A01N 3302

Patent

active

049767755

ABSTRACT:
A plant male sterilant which comprises as an active ingredient an effective amount of a threonine derivative having the formula (I): ##STR1## where R.sup.1 is a C.sub.1 to C.sub.2 alkyl group; R.sup.2 is a hydrogen atom, a C.sub.1 to C.sub.3 alkyl group or a group having the formula: COR.sup.4 in which R.sup.4 is a C.sub.1 to C.sub.4 alkyl group, a C.sub.1 to C.sub.3 alkoxy gruop, a phenyl group, an amino group or a C.sub.1 to C.sub.3 alkylamino group; R.sup.3 is a hydroxy group, a C.sub.1 to C.sub.4 alkoxy group or a group having the formula: NHR.sup.5 in which R.sup.5 is a hydrogen atom, a hydroxy group, a C.sub.1 to C.sub.3 alkyl group, an amino group or a C.sub.1 to C.sub.3 alkylamino group and an inert carrier or diluent; a method for inducing male sterility in a plant which comprises applying the above plant male sterilant to the plant; and a method for producing hybrid seeds which comprises applying the above plant male sterilant to a female plant, and pollinating the female plant with pollens from a male plant. The plant male sterilant of the present invention can easily and efficiently induce male sterility in a plant without losing female fertility of the plant.

REFERENCES:
patent: 4367344 (1983-01-01), Gallenkamp
Journal of American Chemical Society, vol. 78, pp. 2423 to 2430, (1956).
Tetrahedron, vol. 39, pp. 475-478, (1983).
State of the Art, Strauss et al., "Application of the Disk Method to Cultured Plant Cells . . . ", Chem. Abstracts 101:106901p, 1984.
Schaeffer et al., Increased Lysine and Seed Storage Protein in Rice . . . , Chemical Abstract of Plant Physiol. 1987, 84(2), 509-15.
Bright et al., The Effect of Aspartate-Derived Amino Acids . . . , Chemical Abstract of Planta 1978, 139(2), 113-117.
Kida et al., Relationship . . . and Plant Growth Regulating Activity of Amino Acid . . . , Agr. Biol. Chem., 1976, 40(8), 1551-1557.

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