Plant husbandry – Water culture – apparatus or method – Porous support
Patent
1995-11-22
1997-08-19
Raduazo, Henry E.
Plant husbandry
Water culture, apparatus or method
Porous support
47 62, A01G 3100
Patent
active
056575777
ABSTRACT:
A micropropagation method of growing plantlets in a liquid medium inside a container under sterile conditions comprises placing a rigid capillary block inside the container, in which the support block has a support region with upper and lower sides and a plurality of narrow diameter capillary holes extending through and opening to the upper and lower sides of the block's support region. The bottom side of the support block has feet that elevate the bottom side of the support region above the bottom of the container. A liquid-absorbing plant growth sheet such as filter paper rests on the upper surface of the block support region in contact with the capillary holes. A portion of the capillary block in the container is immersed in a liquid nutrient-containing solution to a level in the container above the lower side of the elevated block support region so that the capillary holes cause the liquid solution to travel by capillary action through the capillary holes continuously over time to constantly moisten the plant growth sheet and to thereby enhance growth of micropropagateable plant material such as seeds or plantlets placed in contact with the plant growth sheet.
REFERENCES:
patent: 4180941 (1980-01-01), Korematsu
patent: 4382348 (1983-05-01), Kitsu
patent: 4607454 (1986-08-01), Koike
patent: 5324657 (1994-06-01), Tanny
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