Patents by Inventor Lijian Dong

Lijian Dong has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Breeding method for tetraploid
    Patent number: 10881058
    Abstract: The present invention provides a breeding method for tetraploid ricinus communis. The method comprises: collecting a ricinus communis germplasm resource, performing morphologic character analysis and chromosome ploidy identification, selecting good diploid varieties, carrying out mutagenesis by using colchicine and oryzalin; performing chromosome ploidy identification on F1 generation seeds, selecting homozygous tetraploids, and performing economic character analysis and identification on the F2 generation, so as to breed good tetraploid ricinus communis.
    Type: Grant
    Filed: August 11, 2016
    Date of Patent: January 5, 2021
    Assignee: TIANJIN NANKAI UNIVERSITY CASTOR ENGINEERING SCIENCE AND TECHNOLOGY CO., LTD
    Inventors: Xiulan Li, Li Chen, Feng Ye, Lijian Dong, Guangming Wang
  • Breeding Method for Tetraploid Ricinus Communis
    Publication number: 20180317413
    Abstract: The present invention provides a breeding method for tetraploid ricinus communis. The method comprises: collecting a ricinus communis germplasm resource, performing morphologic character analysis and chromosome ploidy identification, selecting good diploid varieties, carrying out mutagenesis by using colchicine and oryzalin; performing chromosome ploidy identification on F1 generation seeds, selecting homozygous tetraploids, and performing economic character analysis and identification on the F2 generation, so as to breed good tetraploid ricinus communis.
    Type: Application
    Filed: August 11, 2016
    Publication date: November 8, 2018
    Inventors: Xiulan Li, Li Chen, Feng Ye, Lijian Dong, Guangming Wang