test
node1
TO:0000439
fungal disease
response
node2
TO:0020057
wheat leaf rust
disease resistance
node1->node2
node6
CO_321:0000647
wheat barley leaf
rust severity trait
node2->node6
node3
TO:0000112
microbial disease
response
node3->node1
node4
TO:0000387
plant trait
node5
TO:0000164
plant stress trait
node4->node5
node7
TO:0000179
biotic plant stress
trait
node5->node7
node7->node3