diff --git a/sweetpotato_trait.obo b/sweetpotato_trait.obo
index 2771123..da613ef 100644
--- a/sweetpotato_trait.obo
+++ b/sweetpotato_trait.obo
@@ -2163,15 +2163,15 @@ created_by: W. Grueneberg
 
 [Term]
 id: CO_331:0000227
-name: Weight of vines measuring kg per plot
+name: Weight of vines measuring fresh weight kg per plot
 namespace: SweetpotatoTrait
-def: "Weight of vines" []
-synonym: "VnW_Ms_kgplot" EXACT []
+def: "Weight of vines measured in the field in kg per plot" []
+synonym: "VnW_F_kgplot" EXACT []
 synonym: "VW" EXACT []
 is_a: CO_331:1000003 ! Variables
 relationship: variable_of CO_331:0000224 ! weight of vines
 relationship: variable_of CO_331:0000893 ! kg/plot
-relationship: variable_of CO_331:0000894 ! measurements of vine mass
+relationship: variable_of CO_331:0000907 ! measurement of fresh vine mass
 
 [Term]
 id: CO_331:0000230
@@ -2272,45 +2272,27 @@ relationship: variable_of CO_331:0000244 ! Dry weight of storage root
 relationship: variable_of CO_331:0000905 ! g
 relationship: variable_of CO_331:0000906 ! measurements of dry root mass
 
-[Term]
-id: CO_331:0000248
-name: Fresh weight of vines
-namespace: SweetpotatoTrait
-def: "Weight of vines samples" []
-synonym: "VnFWt" EXACT []
-is_a: CO_331:1000007 ! Quality_trait
-created_by: W. Grueneberg
-
 [Term]
 id: CO_331:0000251
-name: Fresh weight of vines measuring g of sample
+name: Weight of vines measuring fresh weight g of sample
 namespace: SweetpotatoTrait
-def: "Weight of vines samples" []
+def: "Weight of vines measured as weight of fresh sample in grams" []
 synonym: "DMFV" EXACT []
-synonym: "VnFWt_Et_g" EXACT []
+synonym: "VnWt_F_g" EXACT []
 is_a: CO_331:1000003 ! Variables
-relationship: variable_of CO_331:0000248 ! Fresh weight of vines
+relationship: variable_of CO_331:0000224 ! weight of vines
 relationship: variable_of CO_331:0000905 ! g
-relationship: variable_of CO_331:0000907 ! measurements of fresh vine mass
-
-[Term]
-id: CO_331:0000252
-name: Dry weight of vines
-namespace: SweetpotatoTrait
-def: "Weight of vines samples" []
-synonym: "VnDWt" EXACT []
-is_a: CO_331:1000007 ! Quality_trait
-created_by: W. Grueneberg
+relationship: variable_of CO_331:0000907 ! measurement of fresh vine mass
 
 [Term]
 id: CO_331:0000255
-name: Dry weight of vines measuring g of sample
+name: Weight of vines measuring dry weight g of sample
 namespace: SweetpotatoTrait
-def: "Weight of vines samples" []
+def: "Weight of vines measured as weight of dried sample in grams" []
 synonym: "DMDV" EXACT []
-synonym: "VnDWt_Ms_g" EXACT []
+synonym: "VnWt_D_g" EXACT []
 is_a: CO_331:1000003 ! Variables
-relationship: variable_of CO_331:0000252 ! Dry weight of vines
+relationship: variable_of CO_331:0000224 ! weight of vines
 relationship: variable_of CO_331:0000905 ! g
 relationship: variable_of CO_331:0000908 ! measurements of dry vine mass
 
@@ -6158,14 +6140,6 @@ relationship: scale_of CO_331:0000892 ! measurements of root mass
 relationship: scale_of CO_331:0000894 ! measurements of vine mass
 relationship: scale_of CO_331:0000895 ! estimated weight per plot - method
 
-[Term]
-id: CO_331:0000894
-name: measurements of vine mass
-namespace: SweetpotatoMethod
-def: "Measured using scales" []
-is_a: CO_331:1000011 ! Measurement
-relationship: method_of CO_331:0000224 ! weight of vines
-
 [Term]
 id: CO_331:0000895
 name: estimated weight per plot - method
@@ -6278,7 +6252,7 @@ relationship: method_of CO_331:0000244 ! Dry weight of storage root
 
 [Term]
 id: CO_331:0000907
-name: measurements of fresh vine mass
+name: measurement of fresh vine mass
 namespace: SweetpotatoMethod
 def: "Fresh weight of vines" []
 is_a: CO_331:1000011 ! Measurement
@@ -6286,7 +6260,7 @@ relationship: method_of CO_331:0000248 ! Fresh weight of vines
 
 [Term]
 id: CO_331:0000908
-name: measurements of dry vine mass
+name: measurement of dry vine mass
 namespace: SweetpotatoMethod
 def: "Dry weight of vines" []
 is_a: CO_331:1000011 ! Measurement