Descriptor: SECONDARY HEAD SHAPE (HEADSHAPE2)



 
Definition:
SECONDARY HEAD SHAPE
Crop:
SUNFLOWER
Category:
Morphological descriptors
Status:
Crop Germplasm Committee approved
Data Type:
Alpha/numeric descriptor
Maximum Length:
1
Responsible Site:
North Central Regional Plant Introduction Station  (NC7)

Distribution of Values for SECONDARY HEAD SHAPE (HEADSHAPE2)

CodeDefinitionNumber of Accessions
1FLAT, BACK SLOPING ENOUGH TO DRAIN WATER141
2CONCAVE144
3CONVEX256
4FLAT, BUT WITH PERIPHERY OF HEAD ROLLED SLIGHTLY, ENOUGH TO COLLECT WATER WHEN HEAD HANGING DOWN391
5IRREGULAR174
6TRUMPET-SHAPED, USUALLY CONCAVE, AND HAVING A COARSE, HEAVY RECEPT., OFTEN ASSOC. WITH A HOLE IN CENTER OF HEAD18