Sentayehu Alamerew

Jimma University ·  Department of Horticulture and Plant Science

Coffee (Coffea arabica L.) provides several health benefits to users due to its strong medicinal and nutritional properties and caloric value. Green bean proximate composition diversity is unknown among the coffee genotypes now cultivated in southern Ethiopia. The study’s major goals are to determine the variability in green bean proximate composit...

Information on combining ability and heterotic grouping for newly developed inbred lines is of paramount importance to design future breeding strategies for the development of hybrid and synthetic varieties. The objectives of the present study were to examine combining ability and to determine heterotic groups of the inbred lines for grain yield an...

Maize is a primary crop in most farming systems and staple food of the rural population in abundant of the mid-altitude sub- humid agro-ecologies of Ethiopia. Nearly 88% of maize produced in Ethiopia is consumed as food, both as green and dry grain. Yet, it has low protein content since it is normal maize, with poor protein quality limited by defic...

Maize is a primary crop in most farming systems and staple food of the rural population in abundant of the mid-altitude sub-humid agro-ecologies of Ethiopia. Nearly 88% of maize produced in Ethiopia is consumed as food, both as green and dry grain. Yet, it has low protein content since it is normal maize, with poor protein quality limited by defici...

In spite of the importance of quality protein maize to alleviate protein deficiency, almost all maize varieties cultivated in Ethiopia are normal maize varieties, which are devoid of lysine and tryptophan. Perusing the combining ability of QPM inbred for grain yield and its components is vital to design appropriate breeding strategies for the devel...

The study was carried out at Jimma Agricultural Research Center during 2015 cropping season. The objective was to evaluate standard heterosis for grain yield and yield components in maize hybrids. Ten selected inbred lines were crossed in a half diallel following Griffing's Model 1, Method4 and the resulting 45 F 1 hybrids (excluding parents) were...

Maize (Zea mays L.) is a major cereal crops in the World and stable food crops in developing countries. But almost all maize varieties cultivated in the Ethiopia are normal maize varieties, which are deficiency of essential amino acids such as lysine and tryptophan and exposed to malnutrition people feed maize as stable food. Due to this reason sub...

Information on combining ability and heterotic grouping for newly developed inbred lines is of paramount importance to design future breeding strategies for the development of hybrid and synthetic varieties. The objectives of the present study were to examine combining ability and to determine heterotic groups of the inbred lines for grain yield an...

Variability for coffee bean biochemical composition among the coffee accessions is vital for further quality improvement. However, lack of this information has been one of the major bottlenecks for any coffee quality improvement program. The current study was, therefore, conducted to evaluate the level of variability in green bean biochemical compo...

Abstract Breed wheat is one of the most important export and strategic cereal crop in the world and in Ethiopia in terms of production and utilization. Information about genetic diversity is important for selection of promising parents in hybrid variety and inbred line development, in assigning inbred lines to heterotic groups, variety registration...

Character correlation and path coefficient analysis study was conducted using 55 hot pepper genotypes with the objectives to assess the nature of character correlation at phenotypic and genotypic levels and direct and indirect effects of traits on yield and yield components. The experiment was conducted during 2015-20116 at six environments in Sout...

The present investigation was conducted on 36 geographically diverse Ethiopian accessions of fenugreek with an objective to study the extent of genetic and phenotypic variation among yield and its related traits. The accessions differed significantly for most of the characters and exhibited a relatively wide range. These characters indicated existe...

Abstract- Sixty four wheat genotypes were tested in 8x8 simple lattice design at Ginchi, West Shewa in 2012/13 cropping season. The overall objective was to study the extent of genetic variability, heritability and genetic advance. Analysis of variance revealed that there was a significant difference among the sixty four genotypes for all the chara...

Govind Ballabh Pant University of Agriculture and Technology, India has developed a wide array of subtropical maize (Zea mays L.) germplasm, which are well adapted to the subtropics, resistant to major diseases of maize, mature early and are capable of surviving frost that usually comes late in the cropping seasons. The objective of this study was...

BACKGROUND: Faba bean (Vicia faba L.) is one of the most important high land pulse crops of Ethiopia. It is an excellent source of protein supplement for the majority of the population, used in various popular Ethiopian dishes. It also contains fat and appreciable amount of minerals. Data on the effect of environment on the protein, mineral matter...

knowledge of nature and extent of genetic variation and diversity available in the germplam or breeding materials helps breeder for planning sound breeding program. Hence, the present investigation was undertaken to evaluate 47 coffee germplam accessions, which were collected from Gomma wereda of Jimma zone and two standard check varieties. The exp...

Information on combining ability and heterotic grouping for newly developed inbred lines is of paramount importance to design future breeding strategies for the development of hybrid and synthetic varieties. The objectives of the present study were to examine combining ability and to determine heterotic groups of the inbred lines for grain yield an...

Cluster and divergence analysis helps in the identification of parental materials for combinations to know the extent of the accession that near to each other in relation to genetic variability. Amaranthus is one of the most nutritious leafy vegetables in the world and dominantly consumed in the pastoralist area in Ethiopia. However this crop has r...

Sixty four bread wheat genotypes were tested in a simple lattice design at Kulumsa Agricultural Research Center during 2014/15 main cropping seasonto estimate the extent of genetic variability. The genotypes showed significant variation for all the traitsstudied except for biomass yield ha-1 and relatively wide range of the mean values for most of...

Increasing coffee productivity is one of the highest national priorities of the rural development policy of Ethiopia; and thus, the choice of promising genotypes from diverse genetic base and subsequent utilization of hybrids is one of strategies of improving productivity. A half diallel analysis involving five parents, ten F1 hybrids of Coffea ara...

Amaranthus is one of the most nutritious leafy vegetables in the world and dominantly consumed in the pastoralist area in Ethiopia. However this crop has received less research attention and little or nothing has been done on extent of character association studies on this crop. Hence, 36 accessions of Amaranthus spp. were evaluated in 6x6 simple l...

Information on genetic variability is a prerequisite for further improvement of the yield and quality of coffee. However, lack of information on genetic variability for specialty coffee accessions has been one of the major problems in coffee improvement program. Forty nine coffee (Coffea arabica L.) germplasm accessions, which were collected from G...

Wheat (Triticum durum L.) is the leading source of cereal and vegetable protein in human food, having higher protein content than either maize (corn) or rice, the other major cereals. The objective was to study the association among grain yield and related traits and identify traits those have the most direct and indirect effects on grain yield. Si...

Barley (Hordeum vulgare L.) belongs to the family Poaceae, tribe Triticaeae and genus Hordeum. An experiment was carried out to assess genetic diversity by cluster and principal component analysis (PCA) for yield and its contributing characters in Sixty four barley genotypes. The varieties were tested in 8x8 simple lattice design at Atsbi, Ofla and...

The overall objective was to estimate the extent of association between pairs of characters at genotypic and phenotypic levels and thereby compare the direct and indirect effects of the characters. Sixty four germplasm of bread wheat (Triticum aestivum L.) with four standard checks were tested in an augmented design. among the characters, grain yie...

Durum wheat (Triticum durum) is the second most important triticum species next to common wheat. Ethiopia is one of the centers of diversity for this wheat. So far, little work has been generated on genetic variability study in durum wheat accessions in Ethiopia, variability study in durum wheat accessions is helpful for genetic improvement. The ex...

Sixty four barley genotypes were tested in 8x8 simple lattice design at Atsbi, Ofla and Quiha environments in Tigray region, in 2009/10.The objective was toestimate the extent of association between pairs of characters in genotypic and phenotypic levels and thereby compare the direct and indirect effects of the characters. Analysis of variance (ANO...

Sixty four barley genotypes were tested in 8x8 simple lattice design at Atsbi, Ofla and Quiha environments in Tigray region, in 2009/10. The overall objective was to study the extent of genetic variability, heritability and genetic advance among the said genotypes. Analysis of variance (ANOVA) study revealed that there was a significant difference...

ABSTRACT Barley is believed to have originated in Abyssinia (Ethiopia) and Southeast Asia .Sixty four barley genotypes were tested in 8x8 simple lattice design at Atsbi, Ofla and Quiha environments in Tigray region, in 2009/10. The overall objective was to determine the nature and degree of variability in morpho- agronomic traits of barley germplas...

Sixty four barley genotypes were tested in 8x8 simple lattice design at Atsbi, Ofla and Quiha environments in Tigray region. The objective of the studywas to evaluate the performance of barley germplasm for yield and its related traits. Analysis of variance revealed that there was a significant difference (p< 0.001) among the sixty four genotypes f...

The overall objective was to study the extent of genetic variation and association among grain yield and yield related traits. Sixty eight germplasm of bread wheat were tested in an augmented design. The Germplasm showed significant variation for treatment adjusted, for most test entries and test versus control studied and relatively wide range of...

Forty-nine soybean (Glycine max (L.) Merrill) genotypes of diverse origin were tested in a 7x7 simple lattice design with the objective of estimating their correlation among some yield related attributes and their path analysis. Analysis of variance revealed that there was statistically significant difference among the genotypes for all of the trai...

Ninetyone varieties of released soybean (Glycine max (L.) Merrill) genotypes and collections from Mozambique and Ethiopia were evaluated in a 9x9 simple lattice design. All the characters demonstrated highly significant difference (P<0.01) among the tested genotypes indicating the presence of adequate variability that can be exploited through selec...

Ethiopia is considered as one of the center of genetic diversity of durum wheat, with important sources of rust and drought resistance, water logging tolerance and early ripening. Up to now, slight works made on genetic diversity study in durum wheat accessions in Ethiopia. Therefore, diversity study in durum wheat accessions is helpful for genetic...

In Ethiopia, there are insufficient information on genetic diversity in the Ethiopian fenugreek germplasms and need to study associations among seed yield and yield related traits. The overall objective of this investigation was cluster analysis using divergence and ranging the traits which were the most contributors to variation by principal compo...

Protein content is a prerequisite for malting quality and it is highly affected by environment. The objective of this study was to quantify the magnitude of genotype by environment interaction and assess the protein content of malt barley genotypes in diversified locations. Eight malt barley genotypes were evaluated in randomized complete block des...

Information on combining ability and heterotic grouping for newly developed inbred lines is of paramount importance to design future breeding strategies for the development of hybrid and synthetic varieties. The objectives of the present study were to examine combining ability and to determine heterotic groups of the inbred lines for grain yield an...

In an attempt to identify suitable malt barley genotypes for Tigray Region quantifying the magnitude of genotype by environment interaction and assessing the variability of the traits Is paramount importance for selecting and breeding of malt barley genotypes. Eight malt barley genotypes were evaluated in a randomized complete block design using th...

A field experiment was conducted at Sirinka Agricultural Research centre Kobo sub center research field during the 2012/2013 under irrigation condition with the objective of assessing the effect of different planting time (October 25, November 5 and November 15) and mother bulb sizes (2-3, 3.1-4 and 4.1-5 cm) on onion seed yield and quality. The st...

Sixty four sesame genotypes were evaluated in 8x8 simple lattice design at Dansha, in Western Tigray, in 2013/14. The objectives of t he study were to estimate the extent of genetic variability and association between yield and related traits. Analysis of variance revealed that there was highly significant (p<0.01) difference among the sixty four g...

The present investigation was carried out to study the correlation and path coefficient analysis in 49 coffee (Coffea arabica L.) germplasm accessions, which were collected from Gomma district, at Agaro. Data on eight organoleptic quality traits were recorded by well experienced and trained coffee tasters. Character association of the quality attri...

Forty nine anchote landrace populations collected from South and Western parts of Ethiopia were evaluated for 17 pheno-morphic and agronomic traits of yield and yield related traits in simple lattice design at Bako Agricultural Research Center during 2011 cropping season. The objectives of the study were to classify the population into relatively h...

Eight malt barley genotypes were evaluated in randomized complete block design using three replications at six locations in Tigray region during 2013/2014 main cropping season. The objective of this study was to quantify the magnitude of genotype by environment interaction and yield stability of malt barley genotypes. The additive main effect and m...

In Ethiopia, there are several maize production constraints, among which shortage of improved varieties is the major one. The objective of this study was to observe the mean performance of crosses and estimate combining abilities for grain yield and other agronomic traits in thirty six maize inbred lines using Line x Tester mating design. Seventy-t...

Wheat is one most important cereal crops grown in Ethiopia. Yet, keeping in view insufficient information on exotic bread wheat genotypes is limiting the access to useful traits present among the genotypes in the Somali region of Ethiopia. The aim of the study was to assess the extent of genetic diversity among bread wheat genotypes. Twenty six bre...

The aim of this study was to characterize and to estimate the extent of genetic variation of morphological attributes of Ethiopian sesame landraces (Sesamum indicum L.). An experiment was conducted in 2010 at Humera and Dansha, Ethiopia. Eighty one germplasm accessions were grown in a lattice design with 2 replications. Data on 17 traits were colle...

Field experiments were conducted using fourteen rice genotypes during the main rainy seasons of 2009 and 2010 at three rainfed upland locations of Southwest Ethiopia to estimate the genetic variability, heritability and correlation coefficients of grain yield and yield contributing traits in upland rice. The experiments were laid down in a randomiz...

Ethiopian mustard, as an oil seed crop, needs genetic improvement which integrates both quality and agronomic traits. In this study, the correlations of eight quality traits of the 36 genotypes were investigated using a 6 × 6 simple lattice design at Holetta Research Center, Ethiopia. Heritability and genetic advance (as percent of mean) of the stu...

Evaluation of locally adapted genotypes is helpful in endeavor of improvement of oilseed of Ethiopian mustard (Brassica carinata A. Brun). The present investigation was undertaken to evaluate the performance of different genotypes of Ethiopian mustard, and to estimate the heritability and genetic advance of agronomic traits of these genotypes. The...

Anchote (Coccinia abysinica) is an endemic perennial trailing plant found both cultivated and wild in Ethiopia. It has been in cultivation for a long period of time and has important economic (food, feed and income), socio-cultural and medicinal values. The objective of the present study was to estimate the extent of genetic variability and charact...

The aim of this study was to estimate the extent of genetic variability and character association among bulb yield and related traits. Forty nine shallot accessions from major shallot growing regions of were tested at Debre-Zeit Agricultural Research Center, Central Ethiopia from 2009 to 2010 in simple lattice design with two replications. Variance...

A study was conducted to assess the extent and pattern of genetic variability of Ethiopian mustard genotypes with respect to eight seed oil quality traits in 36 Ethiopian mustard genotypes at Holetta Agricultural Research Center, Ethiopia. The experiment was laid out in simple lattice design. Univariate analysis of variance has shown that there was...

Genetic variability study generates very relevant information on the possibility of genetic improvement of crops for yield and quality attributes. The study was objectively designed to assess the genetic variability of thirty six ginger (Z. officinale Rose.) accessions. The experiment was laid out in a 6×6 simple lattice design with two replication...

Field experiments were conducted during the main rainy seasons of 2009 and 2010 at three rainfed upland locations of Southwest Ethiopia to evaluate and select high yielding NERICA genotypes. A total of fourteen rice genotypes consisting of 9 NERICA, 3 FOFIFA and 2 genotypes as check, laid down in a randomized complete block design with three replic...

The study was carried out to determine the magnitude of genetic diversity among Coffea arabica germplasm accessions. For this, twenty-one native coffee germplasm collections of six geographical areas were used for the study. The coffee genotypes were field, established in 2002 at the Jimma Agricultural Research Center, southwestern using a randomiz...

The genetic diversity of a subset of the Ethiopian genebank collection maintained at the IPK Gatersleben was investigated applying 22 wheat microsatellites (WMS). The material consisted of 135 accessions belonging to the species T. aestivum L. (69 accessions), T. aethiopicum Jacubz. (54 accessions) and T. durum Desf. (12 accessions), obtained from...