Interaction of Field Pea Genotypes with Environment for Grain Yield in the Highland of Bale Zone, Southeastern Ethiopia
Volume 5, Issue 1, January 2017, Pages: 18-22
Received: Oct. 6, 2016;
Accepted: Oct. 19, 2016;
Published: Nov. 23, 2016
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Tadele Tadesse, Oromia Agriculture Research Institute, Sinana Agricultural Research Center, Bale-Robe, Ethiopia
Gashaw Sefera, Oromia Agriculture Research Institute, Sinana Agricultural Research Center, Bale-Robe, Ethiopia
Behailu Mulugeta, Oromia Agriculture Research Institute, Sinana Agricultural Research Center, Bale-Robe, Ethiopia
Amanuel Tekalign, Oromia Agriculture Research Institute, Sinana Agricultural Research Center, Bale-Robe, Ethiopia
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Identification of adaptable, stable and high yielding genotypes under varying environmental conditions prior to release as a cultivar is the first and foremost steps for plant breeding. Accordingly, twelve field pea genotypes were evaluated against two standard checks and one local check in the highlands of Bale zone to estimate their grain yield performance and stability across locations. The experiment was arranged in RCBD and replicated three times. Additive main effect and multiplicative interaction (AMMI) model was used to measure the performance of genotypes and their interaction with environment. Mean grain yield of the genotypes ranged from 2.63 t/ha to 4.2t/ha. The IPCA1 and IPCA2 scores were explained 52.7%and 47.8%, of the interaction, respectively. Based on the stability analysis and mean grain yield across locations, genotypes EH02081-8 and EH03014-1 were selected and verified in 2016/17 cropping season for possible release.
Field Pea, Yield Stability, G x E Interaction, IPCA
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Interaction of Field Pea Genotypes with Environment for Grain Yield in the Highland of Bale Zone, Southeastern Ethiopia, Plant.
Vol. 5, No. 1,
2017, pp. 18-22.
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