Descriptor: PREDOMINANT HEAD SHAPE (HEADSHAPE1)



 
Definition:
PREDOMINANT 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 PREDOMINANT HEAD SHAPE (HEADSHAPE1)

CodeDefinitionNumber of Accessions
1FLAT, BACK SLOPING ENOUGH TO DRAIN WATER609
2CONCAVE109
3CONVEX963
4FLAT, BUT WITH PERIPHERY OF HEAD ROLLED SLIGHTLY, ENOUGH TO COLLECT WATER WHEN HEAD HANGING DOWN356
5IRREGULAR74
6TRUMPET-SHAPED, USUALLY CONCAVE, AND HAVING A COARSE, HEAVY RECEPT., OFTEN ASSOC. WITH A HOLE IN CENTER OF HEAD9