Use of isourea derivatives and triazine derivatives in combination with gibberellins as plant growth regulators
AssigneeSankyo Company, Limited
InventorsKozo Oyamada, Takashi Matsui, Junzo Tobitsuka, Yoshio Yamazaki, Masami Ogawa
Life of this patent
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Abstract
1-(Hydrocarbylcarbamoyl)-3-(carboxy or hydrocarbyloxycarbonyl)-isoureas and isothioureas and the lactams of the 3-carboxy compounds are useful, in association with a gibberellin (which may be naturally present in a plant), as plant growth regulators.
Claims8
A method for stimulating the growth of plants consisting essentially of administering thereto a growth stimulating effective amount of a mixture of a gibberellin and a lactam having the formula ##STR106## wherein R.sup.2 represents a lower alkyl group, a lower alkenyl group, a lower alkynyl group or a benzyl group;
- R.sup.3 represents a lower alkyl group, a cyclohexyl group or a group of the formula:
- ##STR107## in which R.sup.4 represents a lower alkyl group, a lower alkoxy group or a halogen atom and
- n is 0, 1, 2 or 3;
- and
- X represents an oxygen or a sulfur atom, wherein the amount of said lactam is from 0.5 to 100 parts by weight per part by weight of gibberellin.
A method for stimulating the growth of plants consisting essentially of administering thereto a growth stimulating effective amount of a mixture of a gibberellin and a lactam having the formula ##STR108## wherein R.sup.2 represents a lower alkyl group, a lower alkenyl group, or a lower alkynyl group;
- R.sup.3 represents a lower alkyl group, a cyclohexyl group or a group of the formula:
- ##STR109## in which R.sup.4 represents a lower alkyl group, a lower alkoxy group or a halogen atom and
- n is 0, 1, 2 or 3;
- and
- X represents an oxygen or a sulfur atom, wherein the amount of said lactam is from 0.5 to 100 parts by weight per part by weight of gibberellin.
A method for stimulating the growth of plants consisting essentially of administering thereto a growth stimulating effective amount of a mixture of a gibberellin and a lactam having the formula ##STR111## wherein R.sup.2 represents an alkyl group of 1 to 2 carbon atoms;
- R.sup.3 represents a group of the formula ##STR112## in which R.sup.4 and R.sup.5 may be the same or different and each represents a halogen atom, an alkyl group of 1 to 2 carbon atoms or methoxy group;
- and
- X represents an oxygen or a sulfur atom, wherein the amount of said lactam is from 0.5 to 100 parts by weight of gibberellin.
A composition for stimulating the growth of plants consisting essentially of a growth stimulating effective amount of a mixture of a gibberellin and a lactam having the formula ##STR113## wherein R.sup.2 represents a lower alkyl group, a lower alkenyl group, a lower alkynyl group or a benzyl group;
- R.sup.3 represents a lower alkyl group, a cyclohexyl group or a group of the formula ##STR114## in which R.sup.4 represents a lower alkyl group, a lower alkoxy group or a halogen atom and
- n is 0, 1, 2 or 3;
- and
- X represents an oxygen or a sulfur atom, wherein the amount of said lactam is from 0.5 to 100 parts by weight per part by weight of gibberellin.
A composition for stimulating the growth of plants consisting essentially of a growth stimulating effective amount of a mixture of a gibberellin and a lactam having the formula ##STR115## wherein R.sup.2 represents an alkyl group of 1 to 2 carbon atoms,
- R.sup.3 represents a group of the formula ##STR116## in which R.sup.4 and R.sup.5 may be the same or different and each represents a halogen atom, an alkyl group of 1 to 2 carbon atoms, or methoxy group;
- and
- X represents an oxygen or a sulfur atom,
- wherein the amount of said lactam is from 0.5 to 100 parts by weight per part by weight of gibberellin.
Dependencies are inferred from the claim text.