Patents Assigned to Mark Seed Company
  • Process for controlling cyst nematode population in soybeans
    Patent number: 7572959
    Abstract: A method of controlling cyst nematode population in soybeans by providing a blended composition of soybean varieties. At least one of the soybean varieties in the blend has resistance to a given race spectrum, while another of the soybean varieties in the blend may have resistance to a differing race spectrum or be a susceptible variety. The blend may include 10 to 90% of the first variety and 90 to 10% of the second variety. The blend may consist of three or more soybean varieties.
    Type: Grant
    Filed: June 14, 2007
    Date of Patent: August 11, 2009
    Assignee: Mark Seed Company
    Inventor: Mark A. Terpstra
  • Process for controlling cyst nematode population in soybeans
    Patent number: 7241938
    Abstract: A method of controlling cyst nematode population in soybeans by providing a blended composition of soybean varieties. At least one of the soybean varieties in the blend has resistance to a given race spectrum, while another of the soybean varieties in the blend may have resistance to a differing race spectrum or be a susceptible variety. The blend may include 10 to 90% of the first variety and 90 to 10% of the second variety. The blend may consist of three or more soybean varieties.
    Type: Grant
    Filed: March 21, 2003
    Date of Patent: July 10, 2007
    Assignee: Mark Seed Company
    Inventor: Mark A. Terpstra