Patent · US Expired

Lettuce varieties PSR 4569 and PSR 4570 having both iceberg and romaine lettuce characteristics and methods of making and using

US6689941B2 · kind B2 · utility

16Cited by
1References
20Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMar 30, 2001
Grant dateFeb 10, 2004
Priority date
Expiry dateMar 30, 2021

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA01H5/12
  • WIPO fieldFood chemistry
  • WIPO sectorChemistry

Abstract

The present invention relates to an iceberg lettuce having one or more romaine lettuce characteristics. The invention further relates to methods for producing iceberg lettuce varieties containing one or more romaine lettuce characteristics, represented by lettuce variety ‘PSR4569’ and by lettuce variety ‘PSR4570’. These lettuce varieties were produced by crossing lettuce variety ‘salinas88’ with lettuce variety ‘PI206964’.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.