Method for seed encrusting

Details Method for seed encrusting Method for seed encrusting

A - Human Necessities

01

C

A01C 1/06 (2006.01) A01N 25/26 (2006.01) A01N 43/16 (2006.01) C05G 3/00 (2006.01)

Patent

CA 2141297

2141297 9403062 PCTABScor01 Microcrystalline chitosan is used in seed encrusting in the form of liquid dispersion containing 0.0001-10 wt % of polymer characterized by average molecular weight not lower than 1000, preferably 10 000-100 000, water retention value ranging from 200 to 5000 % deacetylation degree not lower than 35 %, particle size in the range of 0.1-100 µm and energy of hydrogen bonds in a form of film of 10-25 kJ/mol, preferably 10-20 kJ/mol. Said liquid dispersion is introduced by spraying or mixing for 1-30 minutes with a content of polymer not lower than 0.01 wt %, whereafter the excess of solvent is removed and polymer film covering the seed is formed.

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