Table 2: Independent variable by disease contingency table for logistic regression analysis of chocolate spot and rust during 2017 main cropping season in eight districts (n=280) of Bale highlands, south eastern Ethiopia.

Independent variableVariable classTotal number of fieldsNumber of fields in different chocolate spot and rust categories
Chocolate spotRust
IncidencePSI Incidence PSI (%)
≤75>75≤30>30≤50>50≤20>20

DistrictsAgarfa35-352114287278
Dinsho3523372821141817
Gasera351341421134431
Ginir3543132331435-
Goba35332132218172114
Gololcha355301916269314
Goro35201531435-35-
Sinana356292114314323

Total no. of fields280412391581221918920377

Planting dateJuly104599337162426044
August55451203525302233
September12132891051610417121-

Previous cropLegume18513315513117
Cereal21932161121071477216158
Vegetable43331043-394412

AltitudesLow12332918934114911310
Medium40-4026142515346
High1179108437452655661

Cropping system523517411123293616
Sole22862221171111686016761

Growth stageFlowering1578411213312
Podding1062581565077296640
Late podding159915098611124713425

Weed managementPoor94886247036583757
Good114229210311981610212
Intermediate72116131415715648

Soil typeClay4033783227132812
Vertisol1142391744087279024
Loam12615111765077498541

FertilizerFertilized13515120706594419837
Unfertilized145261198857974810540

FungicidesSprayed69861343553165514
Unsprayed21133178124871387314863

Percentage severity index.
Faba bean intercropped with cereals (wheat, mai, and oats) and vegetables (potato, garlic, and onion).