Coated seed and process for producing the same
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United States of America Patent
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Jul 6, 1999
Grant Date -
N/A
app pub date -
Jun 9, 1998
filing date -
Feb 13, 1997
priority date (Note) -
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status (Latency Note)
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Abstract
The present invention is characterized by coating a seed with from 0.1 to 25% by weight of a powder (A) composed of one or both of montmorillonite and bentonite and having an average particle diameter of 30 .mu.m or less and from 99.9 to 75% by weight of a powder (B) composed of a material other than montmorillonite and bentonite and having an average particle diameter of at least 10 .mu.m and at most 30 .mu.m using a polyvinyl alcohol aqueous solution having an aqueous solution viscosity at 25.degree. C. of 50 mPa.multidot.s or less as a binder. Consequently, a coated seed obtained by coating a seed, especially a light-favoured seed, easily absorbs water in sowing and is easily cracked in absorbing water. Further, the easy cracking thereof remains unchanged with the course of time. In the coating, formation of by-product seedless spherical pellets is little observed.
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