Patents Assigned to Northern Quinoa Corporation
  • Patent number: 6743752
    Abstract: Improved methods and compositions for protecting plants or seeds from plant diseases are provided. Broadly, the compositions comprise (and preferably consist essentially of) saponin, such as triterpene type saponins extracted from quinoa or quillaja. The methods comprise contacting the portion of the plant (e.g., foliage, shoot, etc.) to be treated with a disease-inhibiting or protective amount of the composition. The compositions can also be used to treat plant seeds or tubers prior to planting thereof, as well as soil adjacent a growing plant. The inventive compositions are particularly useful for the treatment, control and/or prevention of bacterial diseases. The saponins of the invention can be applied as liquids or dry particulates, and are especially suited for the treatment of tomato and potato plants and their respective seeds.
    Type: Grant
    Filed: March 28, 2003
    Date of Patent: June 1, 2004
    Assignee: Northern Quinoa Corporation
    Inventor: Joseph M. Dutcheshen
  • Patent number: 6482770
    Abstract: Improved methods and compositions for protecting plants or seeds from plant diseases are provided. Broadly, the compositions comprise (and preferably consist essentially of) saponin, such as triterpene type saponins extracted from Quinoa or Quillaja. The methods comprise contacting the portion of the plant (e.g., foliage, shoot, etc.) to be treated with a disease-inhibiting or protective amount of the composition. The compositions can also be used to treat plant seeds or tubers prior to planting thereof, as well as soil adjacent a growing plant. The inventive compositions are particularly useful for the treatment, control and/or prevention of fungal diseases. The saponins of the invention can be applied as liquids or dry particulates, and are especially suited for the treatment of potato seed, tubers and plants.
    Type: Grant
    Filed: February 13, 2001
    Date of Patent: November 19, 2002
    Assignee: Northern Quinoa Corporation
    Inventors: Joseph M. Dutcheshen, Theodore Anthony Danyluk