Cosmo Oil Co., Ltd.

Ube Industries, Inc.

The Japan Carlit Co., Ltd.

Sanyo Chemical Industries, Ltd.

Yasutomo Takeuchi

Tetsuo Takematsu

Shigeyuki Funada

Mitsuaki Takenaka

Seiji Takamura

Koichi Moriya

Akihiko Aoki

Michiyuki Kohno

Hiroshi Hayashi

Masahiro Sato

Motoyuki Suzuki

Nobuo Aoki

Yasuhisa Fukuda

Minoru Nishimura

Tatsuo Okada

Toshikazu Fujii

Yasunobu Ueda

Shigeyuki Watanabe

Toshiro Watanuki

Kozo Hiraishi

Shoji Nishimula

Hiroshi Hase

Plant growth accelerator comprising, as an active ingredient, 5-amino-4-hydroxypentanoic acid of formula (1)HNCHCH(OH)CHCHCOOR&#x2003;&#x2003;(1)wherein Rrepresents a hydrogen atom or a hydrocarbon group having 1 to 10 carbon atoms, a derivative thereof or a salt thereof.

Plant growth accelerator

An agent for improving lawn grass quality, which is excellent in promoting dwarfing of lawn grass, making the stem sturdy, increasing the leaf count, and improving greenness, is provided. An agent for improving lawn grass quality containing, as active ingredients, 5-aminolevulinic acid represented by formula (1):RRNCHCOCHCHCOR&#x2003;&#x2003;(1)wherein Rand Reach independently represent a hydrogen atom, an alkyl group, an acyl group, an alkoxycarbonyl group, an aryl group or an aralkyl group; and Rrepresents a hydroxyl group, an alkoxy group, an acyloxy group, an alkoxycarbonyloxy group, an aryloxy group, an aralkyloxy group or an amino group,

Agent for improving lawn grass qualities

There is provided an agent for improving the growth of seedlings, having effects of raising healthy rice seedlings, such as increase of the tillering number, increase of root weight, enhancement of greenness, and increase of stem thickness. An agent for improving the growth of rice seedlings containing, as active ingredients, 5-aminolevulinic acid represented by formula (1), a derivative thereof or a salt of the acid or the derivative, and a gibberellin biosynthesis inhibitor:RRNCHCOCHCHCOR&#x2003;&#x2003;(1)wherein Rand Reach independently represent a hydrogen atom, an alkyl group, an acyl group, an alkoxycarbonyl group, an aryl group or an aralkyl group; and Rrepresents a hydroxyl group, an alkoxy group, an acyloxy group, an alkoxycarbonyloxy group, an aryloxy group, an aralkyloxy group or an amino group.

Agent for improving good rice seedling growth

A means for enhancing the yield of a harvesting part of a crop is provided. A yield enhancing agent for a harvesting part selected from the group consisting of seed, fruit, hypocotyl, root and stem in a crop, the yield enhancing agent comprising: 5-aminolevulic acid or a derivative thereof represented by the following formula (1), or a salt thereof; and a gibberellin biosynthesis inhibitor: RRNCHCOCHCHCOR(1), wherein Rand Reach independently represent a hydrogen atom, an alkyl group, an acyl group, an alkoxycarbonyl group, an aryl group or an aralkyl group; and Rrepresents a hydroxyl group, an alkoxy group, an acyloxy group, an alkoxycarbonyloxy group, an aryloxy group, an aralkyloxy group or an amino group, wherein the yield enhancing agent is an agent to be applied at the time when the harvesting part of the crop becomes enlarged.

Yield enhancing agent for harvesting part of crop

There are disclosed a herbicidal composition containing, as an active ingredient, a phenoxyalkylamide derivative represented by the formula ##STR1## wherein X, n, Y, Z, R.sup.1, R.sup.2 and R.sup.3 have the same meanings as defined in the specification, and a method for controlling weeds by the use of the same. The herbicidal composition according to this invention shows a superior weed-killing activity by pre- and post-emergence treatment in soil.

Herbicidal composition containing a phenoxyalkylamide derivative and

A pirimidinyloxyalkanamide derivative of Formula 1: ##STR1## wherein R.sub.1 represents a hydrogen atom, a halogen atom, a lower alkyl group, a lower alkylthio group, a lower alkenylthio group, a lower alkynylthio group, a halogenated lower alkenylthio group, a cycloalkylthio group, an aroxyalkylthio group, a lower alkoxyl group, an amino group, a methanesulfonyl group, a trifluoromethyl group, an anilino group which may be substituted with a halogen atom or a benzylthio group which may be substituted with a halogen atom; R.sub.2 represents a hydrogen atom, a halogen atom, a lower alkyl group, a trifluoromethyl group, an amino group, a lower alkoxy group or a lower alkylthio group; R.sub.3 represents an ethyl group or an n-propyl group; and R.sub.4 represents a cyclohexyl group, a thienyl group, a pyridyl group, a furyl group or a ##STR2## group wherein X and Y may be the same or different and each represent a hydrogen atom, a lower alkyl group, a trifluoromethyl group, a lower alkoxyl group or a halogen atom, and a herbicide composition comprising the same as an active ingredient.

Pyrimidinyloxyalkanamide derivatives and herbicide composition

An amide compound of formula 1: ##STR1## wherein R is 1,2,3,4-tetrahydro-1-naphthyl, 1,4-dihydro-1-naphthyl or 3,4-dihydro-1-naphthyl; R.sub.1 is hydrogen or methyl; R.sub.2 is hydrogen or an alkyl; Ar is a phenylene group; and X is hydrogen, a halogen, methyl or methoxy. This amide is useful as a herbicide.

Herbicidal amide compounds and their uses

Substituted 1,3-dibenzylureas are represented by the following general formula: ##STR1## wherein X is a chlorine atom, a bromine atom, an iodine atom, a trifluoromethyl group, a methyl group or a methoxy group. These compounds are used as a herbicidal composition comprising at least one of said compounds and a carrier, if desired, together with a suitable adjuvant.

Substituted 1,3-dibenzylureas and herbicidal compositions containing them

Compound of the formula, ##STR1## wherein X is a hydrogen atom, a halogen atom, a lower alkyl group or a lower alkoxyl group, R.sup.1 is a methyl group or an ethyl group, R.sup.2 is a hydrogen atom, a lower alkyl group or an allyl group, and each of R.sup.3 and R.sup.4, independently, is a hydrogen atom, a methyl group or an ethyl group; provided that R.sup.1, R.sup.3 and R.sup.4 are not methyl groups simultaneously when both X and R.sup.2 are hydrogen atoms, and compositions containing these compounds exhibit herbicidal activity.

Growing community of inventors

Utsunomiya, Japan

Yasutomo Takeuchi