| 摘要 |
<p>The present invention provides a composition comprising (i) chitosan or chitopoly- or chitooligo-saccharides thereof, wherein said chitosan or chitopoly- or chitooligo-saccharides thereof compriseβ-(1-4)-linked D-glucosamine and N-acetyl-D-glucosamine monomers and have a degree of acetylation between 0.05 and 0.20 and an average degree of polymerization≰250 (molecular weight≰42,000 Da), and (ii) a fungicide not containing chitopoly- or chitooligo-saccharides.</p> |
