The Development and Registration of “Bate”, Oat (Avena sative L.) Variety for Western Oromia, Ethiopia

Mekonnen Diribsa


Eight Oat (Avena sativa L.) genotypes including standard check were essentially evaluated for their herbage dry matter yields, grain yields and nutritional quality characters at two environments (Bako and Billo) Western Oromia during 2014, 2015 and 2016 main cropping season with the objective of selecting the top performing oat (Avena sativa L.) genotypes for variety development. The tested genotypes were ILRI 6710, ILRI 5453, ILRI 5518, ILRI 6207, ILRI 712, ILRI 8237, Jasari (local check) and Bonsa (standard check). The genotypes were arranged in randomized complete block design with three replications. Data on herbage DM yield, grain yield and other agronomic traits were collected and analyzed using GenStat software. The combined analysis for herbage dry matter yield indicated that a significant differences (p<0.01) were observed among genotypes, which ranged from 7.36-9.03 ton ha-1. Bate variety had produced mean herbage DM yield of  8.56 ton ha-1 with 12.93 % ton ha-1 yield advantage over the standard check (Bonsa) which produced 7.58 ton ha-1 Similarly, grain yields differed significantly (p<0.01) among the genotypes, which ranged from 28.79 to 31.99 qt ha-1 with a mean of 30.49 qt ha-1. Accession ILRI 5518 gave the highest mean grain yields (33.67 qt ha-1) followed by Bate variety (31.99 qt ha-1) while Jasari variety gave the lowest (28.79 qt ha-1) over locations. Besides, significant results (p<0.01) were observed in nutritive values for DM, IVOMD and OM among the tested genotypes while non-significant (p>0.05) results were observed in crude protein and fiber quality parameters (NDF, ADF and lignin). Genotype and genotype by environment interaction  biplot analysis (GGE) also confirmed that Bate variety showed better stability and thus ideal variety recommended for production in the tested environments and other areas with similar agro-ecologies.

Keywords: Avena sativa L., Bate, Genotype, Herbage yield, Quality parameters

DOI: 10.7176/ALST/83-02

Publication date: November 30th 2020

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