Standard operating procedure of Picria fel-terrae Lour. seedling breeding

This Standard operating procedure (SOP) stipulates the germplasm characteristics, environment of producing areas, seed resource, seed quality, seedling field selection, seeding rate, seeding method, seedling field management, seedling excavation seedling grading standard, seedling store, seedling transportation of Picria fel-terrae Lour. in Wuzhou, Guangxi. And the key technologies were emphasized particularly in water and fertilizers management, disease and pest control. The SOP provides a basis for the standardization production of Picria fel-terrae Lour. seedlings.