Descriptor: Rootworm Root Damage (ROOTWORM-DAMAGE)



 
Definition:
ROOT DAMAGE FROM ROOTWORM FEEDING
Crop:
MAIZE
Category:
Insect descriptors
Status:
Data Type:
Alpha/numeric descriptor
Maximum Length:
1
Responsible Site:
North Central Regional Plant Introduction Station  (NC7)

Distribution of Values for Rootworm Root Damage (ROOTWORM-DAMAGE)

CodeDefinitionNumber of Accessions
1(1) No feeding damage.36
2(2) Feeding scars; but no roots eaten off.894
3(3) One to several roots eaten off within 1-1/2 inches.1103
4(4) One ring or node of roots completely destroyed.308
5(5) Two rings or nodes of roots completely destroyed.58