test
node1
TO:0000164
plant stress trait
node2
TO:0000168
abiotic plant stress
trait
node1->node2
node8
TO:0000482
chemical stress
sensitivity
node2->node8
node3
TO:0000238
growth media
composition
sensitivity
node4
TO:0000480
nutrient sensitivity
node3->node4
node5
TO:0000080
micronutrient
sensitivity
node4->node5
node6
TO:0000021
copper sensitivity
node5->node6
node7
TO:0000387
plant trait
node7->node1
node8->node3