Control of pollen formation

Chemistry: fertilizers – Processes and products – Forms or conditioning

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71 98, 71100, 71105, 71115, 260455A, 260465D, 560 9, 560 24, 560 26, 560 27, 560 29, 560 30, 560 33, 560 75, 560102, 560105, 560109, 560111, 560112, A01N 3744

Patent

active

042304849

ABSTRACT:
A method of controlling pollen formation in a hermaphrodite plant, the method comprising applying to the plant, to seed of the plant or to the locus surrounding the plant or seed, a compound of formula: ##STR1## wherein R.sup.1 is hydrogen or alkyl, R.sup.2 is hydrogen, alkyl, alkyl substituted with up to three halogens (e.g. trichloro- or trifluoro-methyl), cycloalkyl, alkoxyalkyl (e.g. 2-methoxy-ethyl), substituted or unsubstituted aryl or aralkyl or an alkali metal (e.g. sodium or potassium), alkaline earth metal or quaternary ammonium cation, R.sup.3 is halogen, nitro, alkyl, alkyl substituted with up to three halogens (e.g. trichloro- or trifluoro-methyl), cycloalkyl, alkoxy, alkylthio, amino, acylamino (e.g. acetylamino), mono- or di-alkylamino, acyl (e.g. acetyl), haloacyl (e.g. bromoacetyl), cyano, amido, hydroxy, carboxy, alkoxycarbonyl (e.g. methoxycarbonyl) or phenoxy, n is 0 or an integer of 1 to 5 (preferably 0, 1, 2 or 3) and each of X and Y, which may be the same or different, is oxygen or sulphur.

REFERENCES:
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patent: 3901684 (1975-08-01), Lin
patent: 4018813 (1977-04-01), Gaughan
patent: 4069343 (1978-01-01), Sellstedt et al.
Takeda, "Plant Growth Regulants Compositions, etc.," (1969), Derw. Jap. Pat. Rept., vol. 8, No. H7013 (1969).
Toatsu, "Chloroanilide Ders. Nematocides", (1971), Derw. Jap. Pat. Rept., vol. S, No. 50823S-C (1971).
Baruffini et al., "Oxanilic Acid Ders.", (1967), CA 68 No. 77924V (1968) and Farmaco Ed. Sci. 22, pp. 717-734, (1967).
Sellstedt et al., "Oxanilic Acids, a New Series etc.," (1975), J. Med. Chem. 18, pp. 926-933, (1975).

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