test
node1
CO_334:0000089
cassava brown streak
disease root
incidence trait
node2
CO_334:0000202
cassava brown streak
disease root
incidence 12-month
evaluation variable
node1->node2
node3
TO:0000112
microbial disease
response
node4
TO:0000148
viral disease
response
node3->node4
node4->node1
node5
TO:0000387
plant trait
node6
TO:0000164
plant stress trait
node5->node6
node7
TO:0000179
biotic plant stress
trait
node6->node7
node7->node3