COLUMNAR ARTICLE FOR PLANT GROWTH OR PROTECTION

WIPO Patent Application WO/2007/129426

A1

A columnar article for plant growth or protection comprised of, made of a polylactic acid, a hollow columnar article selected from the group consisting of (a) hollow columnar article, (b) hollow columnar article having an apical end cut at a slant from the longitudinal direction of the columnar article and (c) hollow columnar article (1) having apical end (4) formed into a circular cone or pyramid, wherein a chemical agent for plant growth or protection is charged in hollow (2) of hollow columnar article (1) having multiple small holes (6) provided on its side wall surface. The above columnar article for plant growth or protection realizes exertion of desired pharmacological activity of the chemical agent for plant growth or protection immediately upon application thereof and easily providing of articles having the dosage and working time changed according to the object. Further, the columnar article for plant growth or protection upon application suppresses fungi formation.

YAMANAKA KATSUMI
MAEDA NORIKO
SAKAMOTO TAKANORI
HIROBE AYUMI

PCT/JP2006/325580

November 15, 2007

December 22, 2006

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ARKHE WILL CO LTD (JP)
YAMANAKA KATSUMI
MAEDA NORIKO
SAKAMOTO TAKANORI
HIROBE AYUMI

A01C15/00; A01C21/00; A01G1/12; A01G13/02; A01M17/00; A01N25/00; A01N25/08; A01P3/00; A01P7/04; A01P13/00; A01P17/00; A01P19/00; A01P21/00; C05G5/00

JP2002348877A	2002-12-04
JPH04210526A	1992-07-31
JPS4510809Y1	1970-05-16
JPS5525410U	1980-02-19
JPS58171934U	1983-11-17
JPH0686442U	1994-12-20
JPH0354155U	1991-05-24
JP3100525U	2004-05-20
JPH11289833A	1999-10-26

IKEUCHI SATO & PARTNER PATENT ATTORNEYS (OAP TOWER 8-30, Tenmabashi 1-chome, Kita-ku, Osaka-sh, Osaka 26, JP)

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