Title:
CYLINDRICAL ARTICLE FOR USE IN CONTROLLING GROWTH OF TREE AND METHOD FOR CONTROLLING GROWTH OF TREE
Document Type and Number:
WIPO Patent Application WO/2000/065899
Kind Code:
A1
Abstract:
A cylindrical article characterized as being manufactured of a material which cuts off red lights having a wave length of 560 to 700 nm with a greatest cutting percentage of 30 to 50 % and also cuts off 100 % of ultraviolet lights having a wave length of 400 nm or less; a cylindrical article characterized as being manufactured of a material which cuts off far-infrared lights having a wave length of 700 nm or more with a greatest cutting percentage of 50 to 80 % and also cuts off 100 % of ultraviolet lights having a wave length of 400 nm or less; a cylindrical article characterized as being manufactured of a material which cuts off blue lights having a wave length of 400 to 500 nm with a greatest cutting percentage of 30 to 80 % and also cuts off 100 % of ultraviolet lights having a wave length of 400 nm or less; and a method for controlling the growth of a tree.
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Inventors:
AKAI TATSUO (JP)
Application Number:
PCT/JP2000/002803
Publication Date:
November 09, 2000
Filing Date:
April 28, 2000
Export Citation:
Assignee:
PHYTOCULTURE CONTROL CO LTD (JP)
AKAI TATSUO (JP)
AKAI TATSUO (JP)
International Classes:
A01G13/00; A01G13/10; A01M29/00; A01M29/30; (IPC1-7): A01G13/02; A01G13/10
Foreign References:
| JPH043925B2 | 1992-01-24 | |||
| JPH0767479A | 1995-03-14 | |||
| JP3009585U | 1995-04-04 |
Other References:
See also references of EP 1175824A4
Attorney, Agent or Firm:
Aoyama, Tamotsu (Shiromi 1-chome Chuo-ku, Osaka-shi Osaka, JP)
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