Method of controlling sprout formation in potatoes by...

Details Method of controlling sprout formation in potatoes by... Method of controlling sprout formation in potatoes by...

A - Human Necessities

01

N

A01N 31/06 (2006.01) A01N 43/78 (2006.01) A01N 47/10 (2006.01) A01N 47/20 (2006.01)

Patent

CA 2293310

A method of controlling sprout formation in tubers includes application of CIPC and carvone or application of CIPC and benzothiazole and then storing the treated tubers. In a preferred embodiment of the method, tubers to be placed in storage are treated with a composition of CIPC and carvone or CIPC and benzothiazole utilizing thermal fogging techniques, with the average effective residue of C1PC on the tubers of approximately 16.6 ppm. When the tubers are to be used to grow tuber- producing plants, for example, when the tubers are to be used as seed potatoes, after removal from storage, the seed potatoes are treated with ethylene at planting, thereby stimulating sprout growth.

Cette invention se rapporte à un procédé de régulation de la germination des tubercules, consistant en l'application d'isopropyl-3-chlorophénylcarbamate (CIPC) et de carvone ou de CIPC et de benzothiazole, et en un stockage des tubercules traités. Selon une réalisation préférée de l'invention, on traite les tubercules à conserver avec une composition de CIPC et de carvone ou de CIPC et de benzothiazole à l'aide d'un pulvérisateur thermique, ce qui permet d'obtenir un résidu efficace moyen de CIPC sur les tubercules représentant approximativement 16,6 ppm. Lorsque les tubercules doivent servir à faire pousser des plantes productrices de tubercules, par exemple lorsque les tubercules servent de plants de pommes de terre, après leur retrait du lieu de stockage, on traite lesdits plants de pommes de terre avec de l'éthylène au moment de la plantation, ce qui permet de stimuler alors le développement des germes.

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