Plant husbandry – Coated or impregnated seed – method or apparatus
Patent
1993-06-01
1995-09-19
Fox, David T.
Plant husbandry
Coated or impregnated seed, method or apparatus
47 58, 47DIG9, A01C 106
Patent
active
054512417
ABSTRACT:
An analog of botanic seed is disclosed which comprises a plant embryo preferably encapsulated, or at least in contact with, a hydrated oxygenated gel. The gel can be oxygenated by passing oxygen gas through a gel solution before curing the gel or by exposing the gel to oxygen gas after curing. The gel is preferably oxygenated by adding to an uncured gel solution a suitably stabilized emulsion of a perfluorocarbon compound or a silicone oil, which compounds are capable of absorbing large amounts of oxygen, and are non-toxic and inert. An analog of botanic seed can further comprise an outer shell at least partially surrounding the gel and embryo, thereby forming a capsule. The outer shell preferably is shaped to aid the radicle of a germinating embryo in protrusively rupturing the capsule, thereby facilitating successful germination and minimizing incidence of seedling malformation. Other shell materials are selected to provide requisite rigidity to the capsule while imparting minimal restriction to successful germination.
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Bower Barbara K.
Cartson William C.
Hartle Jeffrey E.
Fox David T.
Rories Charles C. P.
Weyerhaeuser Company
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