Calcium agent for plants

C - Chemistry – Metallurgy – 05 – D

Patent

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Details

C05D 3/00 (2006.01) C05B 7/00 (2006.01) C05C 5/04 (2006.01) C05G 3/00 (2006.01)

Patent

CA 2107709

An object of this invention is to obtain a calcium agent for plants, which enters into cells of a plant so as to derive the physiological activity basically for DNA and RNA activation and to enhance the absorbability of calcium into the living plant. Therefore, the calcium agent for plants, contains, as main components, water-soluble low molecular weight chitosan having an average molecular weight of 500 to 30000 consisting of chitosan and/or chito-oligosaccharide and/or derivatives thereof, an inorganic substance including calcium element and/or a water-soluble organic substance including calcium element, and if necessary, water-soluble organic acid. By administering this calcium agent, lime deficiency diseases of plants can be prevented.

L'objet de la présente invention est d'obtenir un agent calcique pour les plantes, qui entre dans les cellules d'une plante, de façon à produire les effets physiologiques correspondant fondamentalement à l'activation de l'ADN et de l'ARN, et à améliorer l'absorbabilité du calcium par la plante vivante. L'agent calcique pour les plantes renferme comme principaux constituants : du chitosane hydrosoluble de faible masse molaire - cette dernière est en moyenne de 500 à 30000 -, constitué de chitosane et (ou) de chito-oligosaccharide et (ou) de dérivés de ceux-ci, une substance minérale contenant l'élément calcium, et (ou) une substance organique hydrosoluble, contenant l'élément calcium et, si nécessaire, un acide organique hydrosoluble. On peut, en leur administrant cet agent calcique, prévenir chez les plantes les maladies dues à la carence en carbonate de calcium.

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