Journal of
Plant Breeding and Crop Science

  • Abbreviation: J. Plant Breed. Crop Sci.
  • Language: English
  • ISSN: 2006-9758
  • DOI: 10.5897/JPBCS
  • Start Year: 2009

JPBCS Articles in press

Effect of planting density on vegetative growth and yield of Irish potato in Rwanda.

Article in Press

Potato is one of the most important foods and cash crops in Rwanda. Even though potato has become a very popular food source in Rwanda but the productivity is still low due to many constraints including inappropriate plant spacing. This study was therefore conducted to evaluate the effect of inter and intra row spacing on growth and yield parameters of Irish potato. The experiment used Kuruseke variety with different...

Author(s):Muhinyuza Jean Baptiste, David Twizerimana, Antoine Karangwa.

Agromorphological characterization of scarlet eggplant (Solanum aethiopicum L.) grown in the Republic of Benin.

Article in Press

The scarlet eggplant (Solanum aethiopicum L.) is an African traditional vegetable grown for its edibles leaves and fruits, which can contribute to food security in Republic of Benin. However, very little information is available on the genetic variability of this vegetable for varietal improvement purposes. Sixty accessions of scarlet eggplantscollected throughout 52 villages in Benin republic were characterized using 34...

Author(s):Aguessy Scholastique, Idossou Roger, Loko Yêyinou Laura Estelle, Agre A. Paterne, Dassou Anicet, Dadonougbo Eric, Dansi Alexandre, Agbangla Clément.

Phenotypic Diversity Study on Chickpea (Cicer arietinum L.) Genotypes Managed under Different Soil Fertility Levels for Adzuki Bean Beetle (Callosobruchus chinensis L.) Resistance in Ethiopia.

Article in Press

Chickpea is one of the main annual crops in Ethiopia both in terms of its total cultivated area of pulses and its role in direct human consumption. The major problem to increase pulse production is the loss of seed viability and seeds damage from insect infestation particularly adzuki bean beetle. Research works conducted on diversity study on chickpea varieties grown under different soil fertility levels were scanty. To...

Author(s):Sisay Argaye, Gemechu keneni, Wakuma Bayissa

Character association and path analysis study for lint yield and its contributing traits in cotton (Gossypium hirsutum L.) varieties.

Article in Press

The present research was designed to study the association of different agronomic and fiber quality traits through correlation analysis and the relative importance of each traits on lint yield. The experimental design used was Randomized Complete Block Design with three replications. The result indicated that significant and positive association among four agronomic traits (boll number per plant, seed cotton yield, ginning...

Author(s):Donis Gurmessa, Merdasa Balcha, Samuel Damtew, Arkebe Gebregziabher.

Reproductive mode and apospory expressivity of selected hybrids of Paspalum notatum Flügge.

Article in Press

Paspalum notatum Flüggé (bahiagrass) is the most important forage grass in the native grasslands of southern Brazil; the native germplasm is tetraploid and apomictic. Breeding to produce cultivars has been possible due to chromosome doubling of sexual diploid accessions, allowing hybridizations with apomictic genotypes, generating progenies with variability for agronomic traits and segregating for reproduction mode. The...

Author(s):Juliana Medianeira Machado,Karine Cristina Krycki,Roberto Luis Weiler,Carine Simioni,Miguel Dall´Agnol

Combining ability and heterosis in yield and yield components of cowpea [Vigna unguiculata (L.) Walp.]

Article in Press

The experiments were conducted to estimate the combining ability and heterosis in yield and yield components of cowpea (Vigna unguiculata (L.) Walp. The experiment was conducted at the Teaching and Research farm of the Department of Crop Production and Horticulture, Modibbo Adama University of Technology, Yola (Latitude 90 141 N and longitude 120 321 E) Adamawa state and at Taraba state Agricultural Development progroamme...

Author(s): D. S. Emmanuel and S. Y. Simon.

Morphological and microsatellite characterization of improved Lablab purpureus genotypes.

Article in Press

Lablab purpureus is a multipurpose legume mainly grown by subsistence farmers for pulse, forage and vegetable. Despite these diverse uses that can be combined successfully under various agronomic conditions, the bean has not been extensively exploited. Dolichos production in Kenya is constrained by low yielding varieties, pests, poor growing techniques and varieties with non-preferred taste and flavor. A study to...

Author(s):David Ngure , Miriam Kinyua and Oliver Kiplagat.

Water use efficiency: behavior of upland rice lines under water deficit.

Article in Press

Upland rice (Oryza sativa) is affected by several biotic and abiotic factors that limit the yield potential of cultivars. In relation to water deficiency, the development of drought tolerant and water efficient cultivars is a priority in breeding programs. With this study aimed to evaluate the agronomic behavior of upland rice lines subjected to different irrigations depths aiming for the selection of genotypes that are...

Author(s):Mendes Villela Gabriel,Rosário Neto Antônio,Barbosa Silva Botelho Flávia,Pereira de Lima Isabela,Pereira de Castro Adriano,Goulart Castro Douglas.

Yield performance of chickpea (Cicer arietinum L.) genotypes under supplemental irrigation regimes in semi-arid tropics.

Article in Press

Chickpea (Cicer arietinum L.) grown in the semi-arid environment is not usually irrigated. Knowledge about effect of reduced drought stress effects under supplemental irrigation can improve chickpea productivity. In this study, the chickpea has been submitted to supplemental irrigation during reproductive phase under rainfed conditions. The main objective was to determine the effects of supplemental irrigation regimes on...

Author(s):Ruth Muruiki, Paul Kimurto, Bernard Towett, Gangarao Rao.

Identification of best maize-legume based cropping systems under conservation agriculture practices for Central Rift Valley of Ethiopia.

Article in Press

Different cereal crops especially maize production in central rift valley of Ethiopia is affecting by different biotic and abiotic production. This study was conducted at Hawassa Research Centre in Ethiopia for two seasons (2015-2016). The objective of this study was to identify the best cropping system and agricultural practice. Randomized Complete Block Design was used and each treatment was planted in three...

Author(s):Goshime Muluneh Mekasha a, Walter Tamuka Mupangwab, Solomon Admassu Seyoumc Alemayehu Zemede Lemmaa, , Haimanot Beruk Senbetaa, Mesele Haile Onua, Mahmud Aman Telloa

Analysis of Multi-Environment Yield Traits of selected yellow root cassava genotypes using GGE Biplot.

Article in Press

Ten yellow-fleshed cassava genotypes and two released cassava varieties (check) were evaluated in two agro-ecological zones of Nigeria to access their yield performance, agronomic parameters and genotypes by environment interaction effects. The study was conducted in 2017 and 2018cropping seasons at Umudike (humid rainforest)and Otobi (derived savanna), the trials were conducted in a randomized complete block design (RCBD)...

Author(s):Ogbuekiri Henry Chuks

Characterization of Sorghum Genotypes Using Qualitative and Quantitative Traits

Article in Press

The present investigation was carried out using 30 different sorghum genotypes grown in randomized block design from June-Dec. 2019. All genotypes were evaluated and classified on the basis of various DUS parameters viz., qualitative and quantitative as per the guidelines for the conduct of test for Distinctiveness, Uniformity and Stability on sorghum by PPV & FRA, GOI. The observation were taken on five randomly selected...

Author(s):Su Mon Thant, Pummy Kumari

Factor analysis of morphological characters in wheat (Triticum aestivum L.) lines evaluated in low altitude conditions of the bimodal humid forest zone of Cameroon

Article in Press

The primary efforts in any wheat breeding program is the targeting of important traits and the detection of genetic diversity among different wheat genotypes in different environments. Hence to identify prominent traits in wheat lines in low altitudes conditions of the bimodal humid forest zone of Cameroon, 38 wheat lines were characterized on the base of morphological traits. The field experiment was conducted in low...

Author(s):Charly Emmanuel MAM, Eddy Mangaptche Leonard NGONKEU, Honore TEKEU, Patrick Mmala TSIMI, Arlette Bernice FOKO, Ariane Tonkale DAMDJO, Adrienne Kuidja Barbara NGO NGOM, Julie Doriane KAMKO, Bolomigui BOYOMO, Rostand Romeo CHAMEDJEU, Aminatou Fanche MONGOUE, Gabriel Somo MAHBOU

Participatory maize hybrid evaluation for different cropping systems in the central rift valley in Ethiopia

Article in Press

This study was conducted at research and farmers’ field. Seven new promising and three standard checks in total ten hybrid varieties were planted and evaluated in 2013 main season. At research field the genotypes were tested under sole and inter cropping in two replications and each genotype was planted in two rows using spacing 0.75 cm and 0.30 cm between consecutive maize rows and between plants, respectively....

Author(s):Goshime Muluneh Mekasha, Solomon Admassu Seyoum, Alemayehu Zemede Lemma

Phenotypic Diversity Studies of Coffee (Coffea canephora L.) Landrace Accessions and an Accession from Germplasm Using Morphological Markers

Article in Press

Geographical distribution of landrace robusta coffee due to its adaptability to different climatic conditions, necessitate the study of relative diversity of available cultivars among Nigeria farmers. Morphological markers proved basic information on observable traits. Six landrace accessions and one accession from germplasm were collected for this study. Ate-kekere (ATK), Shekoni (SEK), Iyamuye (IY1), Kabba bunu (KB3),...

Author(s):Baba Nitsa, M., Odiyi, A.C., Akinyele, B.O., Aiyelari, O.P., Dada, K. E., Fayeun, L.S., .Anagbogu, F.C., Idrisu, M, Ugioro, O. and Adeleke, S. A.

Correlation and path coefficient analysis of drought tolerant open pollinated maize (Zea mays L.) Genotypes in Jigjiga, Ethiopia

Article in Press

Association of traits between yield and yield components plays a great importance for the development of high yielding maize genotypes. The study included twenty-four open pollinated maize genotypes planted in a randomized complete block design at the main experimental station of Jigjiga Pastoral and Agricultural Research Center with the aim of establishing the association and direct and indirect effect of various...

Author(s):Kibrom Fisseha, Firew Mekbib and Gezahegn Bogale

Simple correlation coefficients for Yield, Yield Components and other growth attributes in some Wheat (Triticum aestivum L.) Genotypes

Article in Press

Two wheat (Triticum aestivum L.) genotypes were evaluated over two seasons (2017/2018 and 2018/2019), at three locations in the irrigated scheme of Newhalfa, Sudan, to study the inter-relationships between yield, yield components and other agronomic traits of the genotypes. A randomized complete block design with three replications was used. Data were collected on grain yield, some of its components and other growth...

Author(s):Shahira A. Ibrahim, Salah Balla M. Ahmed, Bader Eldeen A. Mohammed, Abdel Raheem I. Naeem, Mahmoud A. Mahmoud, and Sami M. Salih

Genotypes x Environment interaction for growth attributes and yield in wheat (Triticum aestivum L.) at New Halfa irrigated scheme

Article in Press

A multi- locations field trial was conducted for two consecutive seasons 2017/2018 and 2018/2019 at three locations of Newhalfa irrigated scheme to estimate genotype by environment interaction for some growth attributes, yield and yield components of two wheat genotypes. A randomized complete block design with three replicates was used to lay out the field trial. Highly significant differences at the genotypes level,...

Author(s):Shahira A. Ibrahim, Salah Balla M. Ahmed, Bader Eldeen A. Mohammed, Abdel Raheem I. Naeem, Mahmoud A. Mahmoud, and Sami M. Salih

Stay green genes contributed for drought adaptation and performance under terminal stress on sorghum (Sorghum bicolor L. Moench)

Article in Press

The need to accelerate breeding for increased yield and better adaptation to drought is an issue of great concern because of the high demand for food and potential climate change poses further calamity. The study was designed to introgress drought-tolerant possessing genes into farmer-preferred varieties through marker-assisted backcrossing (MABC) and assess for post-flowering drought tolerance. Sixty-one converted...

Author(s):Teklay Abebe, Gurja Belay, Taye Tadesse, Gemechu Keneni

Management of Faba Bean Chocolate Spot (Botrytis fabae) Through Varieties and Fungicide Application Frequencies in Southern Tigray, Ethiopia

Article in Press

Chocolate spot caused by Botrytis fabae is one of the major biotic constraints of faba bean production in the highlands of Ethiopia. Therefore, the current work was designed to evaluate the effect of varieties and fungicide spray frequency on disease development and crop performance. Field experiments involving four faba bean varieties and four fungicide (Mancozeb 80% WP) spray frequencies were carried out at two locations...

Author(s):Muruts Legesse Wubshet and Alemayehu Chala

Impact of climate change on armyworm infestation on maize in Nigeria: A Review

Article in Press

Maize (Zea mays) is an important food crop in Nigeria, and it is fast becoming the most widely cultivated crop. Several efforts have been made by the Nigeria Government to make the country self-sufficiency in maize production, but some biotic and abiotic factors are impeding this achievement. Among the biotic constraints militating against maize production in Nigeria, armyworm (Spodoptera frugiperda) is most devastating in...

Author(s):Adunola M. P., Fayeun L. S. and Fadara A. B.

Reaction of Selected Rice Genotypes with Monogenic Resistance to the Isolate of Magnaporthe Oryzae Collected at Namulonge, Uganda

Article in Press

The fungus Magnaporthe oryzae causes rice blast disease leading to substantial yield losses in Uganda. Therefore, it is necessary to test the reaction of R-genes to the strains of the fungus prevalent at a particular area to these genes before incorporating the carrier lines of such genes into a rice breeding programme through gene pyramiding. This study was aimed at understanding the effectiveness of R-genes to the...

Author(s):Solome Nakiyaga, Albert Chiteka, Onaga Geoffrey, Paul Gibson, Bonny Oloka, Arfang Badji, Richard Edema

Pearl millet (Pennisetum gluacum L.) yield as affected by allelopathic and self-toxic effects under monocroping conditions

Article in Press

Pennissetum glaucum L. the poaceae family used to be grown under monocroping conditions where its succeeding yield in the same field is severely affected because of self toxicity. The present study was conducted to evaluate the self-toxic effect of P. gluacum (seeds and whole plant extracts) on its growth rate. It came out that pearl millet growth was enhanced by 5% of its aquous extract but significantly affected at...

Author(s):Ijaz Ahmed Qureshi, Alia Abbas, Iram Us Salam and Saira Qadir

Preliminary studies on seed retention capacities and shattering resistance of Ethiopian sesame (Sesamum indicum L.) accessions in Sheraro, Northern Ethiopia

Article in Press

Sesame is a very important oil crop produced in Ethiopia mainly for export purposes. Regardless of wide cultivation of the crop it’s susceptibility to shattering is highly affecting yield and quality. Studies suggest that there is some natural variation towards shatter resistance in sesame. This study aims to quantify and screen non shattering capacities of seventy eight sesame accessions collected from different parts...

Author(s):Abadi Girmay and Tesfahun Makuanint

Differential Yield Response of Groundnut (Arachis hypogaea L.) Genotypes under Different Water Regimes in Central Zone of Tigray, Ethiopia

Article in Press

Groundnut is an important legume crops for small scale farmers in different parts of Tigray region where recurrent drought stress and land degradation severely affects its yield and quality. Drought stress is the main yield and quality limiting factors in most of the groundnut producing regions. This study aimed at assessing the effect of drought stress on groundnut performance and differential yield response of genotypes...

Author(s):Abadi Girmay, Yemane Tsehaye, Alemtsehay Tsegay

The role of Local Seed Businesses in Food Security: Current status, Achievements and Challenges in North Western Ethiopia

Article in Press

Quality seed is a key input for agriculture, with a direct impact on agricultural production and productivity. Local seed business (LSB) development in Ethiopia is focusing on organizing and supporting groups of farmers to produce and market quality seed of local preferences. The activities of four local seed businesses supported by University of Gondar and other partners are assessed from 2012 till 2018. These LSBs...

Author(s):Daniel Tadesse

Agro-morphological characterization of pigeonpea (Cajanus cajan L. Millspaugh) landraces grown in Benin: implications for breeding and conservation

Article in Press

Pigeonpea (Cajanus cajan L. Millspaugh) is a neglected and under-utilized crop consumed in several regions ofword. In order to assess performance of pigeonpea landraces grown in Benin for useful breeding programs, 50 accessions were collected from 39 villages. These accessions were characterized by using 12 qualitative and 11 quantitative traits. Based on the seeds morphological characteristics, the 50 accessions were...

Author(s):Géofroy Kinhoégbè, Gustave Djèdatin, Laura Estelle Yêyinou Loko, Ignace Relique Agbo , Rachit Kumar Saxena, Rajeev Kumar Varshney , Clément Agbangla, Alexandre Dansi

Genotype by Environment Interaction for grain yield of extra early tropical maize hybrid in Guinea and Sudan savanna of Ghana

Article in Press

Extra-early maize cultivars offer a means to reduce the losses from recurrent drought stress in sub-Saharan Africa but limited knowledge on the stability and adaptability of these genotypes offer some set back on their importance. Therefore, the aim of this study was to assess the stability and adaptability of tropical extra-early maize genotypes for grain yield and key agronomic traits in Ghana. Thirty-three regional...

Author(s):Ibrahim D., I.I. Adejumobi, Abdoulaye Camara, D. Nyadanu, A. Richard and Z.M.M. Issa

Screening of Field Pea (Pisum sativum L.) Germplasm against Powdery Mildew (Erysiphe polygoni) Disease at Kulumsa, Arsi, South East Ethiopia

Article in Press

Field Pea (Pisum sativum L.) is an important food crop ranks fourth among pulse crops in Ethiopia. The yield of field pea is hampered due to the prevalence of powdery mildew disease. In view of the cost-effective solution for powdery mildew disease, host plant resistance is one of the most widely used control measure for this disease. Sixty nine field pea gene pools including one released variety were screened against...

Author(s):Kedir Yimam,Gizachew Yilma, Deresa Tesfaye and Aliyi Robsa

Screening of Field Pea (Pisum sativum L.) Germplasm against Powdery Mildew (Erysiphe polygoni) Disease at Kulumsa, Arsi, South East Ethiopia

Article in Press

Field Pea (Pisum sativum L.) is an important food crop ranks fourth among pulse crops in Ethiopia. The yield of field pea is hampered due to the prevalence of powdery mildew disease. In view of the cost-effective solution for powdery mildew disease, host plant resistance is one of the most widely used control measure for this disease. Sixty nine field pea gene pools including one released variety were screened against...

Author(s):Kedir Yimam,Gizachew Yilma, Deresa Tesfaye, Aliyi Robsa

Variation among Colletotrichum Isolates Associated with Coffee Berry Disease in Ethiopia

Article in Press

Variations among the populations of Colletotrichum species from diseased coffee berries were studied. A total of 35 Colletotrichum isolates representing 24 districts from major coffee producing regions of Ethiopia were studied on the basis of cultural, morphological and pathological characteristics. Isolates differed on their colony color, density, sector and acervuli. Mycelial growth rate varied significantly (p

Author(s):Kumlachew Alemu, Girma Adugna, Fikre Lemessa and Diriba Muleta

Evaluation of Lentil Varieties for Adaptation and Yield Performance under Midland Ecology of Kaffa zone, South-West Ethiopia

Article in Press

A field experiment was conducted to identify the best adapted and high yielding lentil variety at Shishinda sub-testing site of Bonga Agricultural Research Center. The experiment was carried out in randomized complete block design with three replications. Eleven improved lentil varieties were used for this study. The varieties included in the study were Teshale, Alemaya, Alemtena, Assano, Gudo, EL-142, R-186, Ada’a,...

Author(s):Merkine Mogiso Geja

Genetic Diversity of Sugarcane Crosses and their Reciprocals following some A gronomic Traits in China

Article in Press

In sugarcane and many other crops, crossing of varieties stand as the best was to generate variations for breeding and selection purposes. The research aimed to examine the performance of the reciprocal crosses in comparison with their bi-parental crosses. Twenty four bi-parental crosses were evaluated in a randomized complete design, at the breeding nursery of Sugarcane Research Institute, Yunnan Academy, China. The...

Author(s):Fenggang Zan, Fouz F. Aboelenen, Zhuandi Wu, Eid M. Mehareb, Qin Wei, Yao Li, Hongming Xia, Liping Zhao, Zhao Jun, Jiayong Liu and Wu Caiwen

Univariate stability analysis and relationship among parameters for grain yield and related agronomic traits of striga resistant sorghum [Sorghum bicolor (L.) Moench] hybrids in Ethiopia

Article in Press

The procedures in the selection of good performing and stable genotypes are complicated by the phenomenon of genotype by environment interaction to recommend new sorghum genotypes for different environments. Therefore, 49 genotypes (hybrids + varieties) were tested at five locations in a simple lattice design with two replications during the 2016 main cropping season to estimate the magnitude and nature of GEI for yield...

Author(s):Fantaye Belay, Firew Mekbib and Taye Tadesse

Combining ability analysis and gene action for yield and yield related traits in rice (Oryza sativa L.) under saline condition

Article in Press

Salinity is a major abiotic constrain faced by farmers in most rice cultivating areas of the world and improving grain yield in rice is the most important breeding objective. Twenty seven hybrids were generated in a line x tester mating design and were evaluated with their parents in a Randomized Complete Block Design at the fadama site of Federal University of Agriculture, Abeokuta (FUNAAB) during the 2014/2015 and...

Author(s):Kargbo S.S, Showemimo F.A, Akintokun P.O and Porbeni J.B.O

Genotype by environment interaction and phenotypic stability of malt barley varieties IN Tigray region, Ethiopia

Article in Press

Field experiment was done for eight malt barley varieties with the aim of estimating the magnitude of genotype by environment interaction and recommend stable variety. The design was randomized complete block with three replication in 2012-2013.The combined analysis of variance showed significant differences (P

Author(s):Muez Mehari, Sentayehu Alamerew , Berhane Lakew ,Haddis Yirga and Mizan Tesfay

Stability and Adaptability Analysis in Fine Grain Rice for Yield Attributes

Article in Press

The analyses like Additive Main effect and Multiplicative Interaction (AMMI) and Genotypic and Genotypic-by-Environment (GGE) analysis are being used world-wide to interpret Multiple Environment Trial (MET) very successfully by many researchers especially plant breeders. Measurement of relevant performance of tested genotypes and their stability over a number of tested environments particularly in terms of their yields, is...

Author(s):Rana Ahsan Raza Khan, Muhammad Ramzan, Zulqarnain Haider, Muhammad Akhter, Misbah Riaz, Syed Sultan Ali and Abid Mahmood

Correlation and path coefficient studies for some agronomic characters in bread wheat (Triticum aestivum L.) genotypes at Ofla district, Northern Ethiopia

Article in Press

Interrelationships between quantitatively inherited plant traits and their direct and indirect effects on grain yield are very important in plant breeding. To generate such information, a field experiment was conducted in 2014 cropping season at Ofla District, Northern Ethiopia. Twenty six bread wheat genotypes were planted in Randomized Complete Block Design with 3 replications. Twelve quantitative traits were subjected...

Author(s):Reta Adhiena Mesele

Progress of soybean (Glycine Max (L.) Merrill) breeding and genetics research in Ethiopia: a review

Article in Press

Ethiopia the second largest population in Africa and is one of the five fastest growing economies in the world. The global population is expected to increase by roughly 20% in the next 20 years. Agro-industries in Ethiopia like Jimma, Hawasa ,Mekele, Kombolcha and the like needs providing tax exemptions for oil processing plants to use the close destination opportunity to the European markets for contributing for foreign...

Author(s):Hailemariam Mesfin

Biplot analysis of multi- environment yield trial of bread wheat genotypes growing in Tigray Northern, Ethiopia

Article in Press

The adaptation nature and pattern of a variety is important in variety recommendation to target environment. Nineteen bread wheat varieties were tested across sixteen environments of Tigray with the objective of identifying higher yield and stable variety across wider environments. The experiment was carried out in randomized complete block design. The combined analysis of variance revealed significant difference for...

Author(s):Muez Mehari

Assessment of Genotype and Environment Interaction (GEI) to determine Mega-environment in Cotton

Article in Press

Cotton is a cash crop which contributes avalueaddition in the economy of Pakistan. The 65 genotypes were tested in 14 unique environments (areas) through a graphical approach of GGE biplot to decide the mega environment/s. The GGE biplot was made by plotting the scores of genotypes and environments of PC1 against their respective scores of second principal component (PC2). The GGE biplot of mega-environmental investigation...

Author(s): Muhammad Zubair

Response of zero tillage cotton (Gossypium hirsutum L.) genotypes to irrigation scheduling in wheat based copping system

Article in Press

Cotton is a major export product of Pakistan. Drought stress is the major environmental factor that negatively impacts cotton yield and quality. A field experiment was conducted in 2015 and 2016 at Cotton Research Station, Dera Ismail Khan, Pakistan to evaluate the effects of four moisture regimes on yield and quality attributes of four cotton genotypes. The trial laid-out in randomized complete block design with...

Author(s):Niamat Khan

GGE-Biplot Analysis of Multi-Environment Yield Trials of common bean (Pharsalus vulgaris L.) in the southern Ethiopia

Article in Press

The present study was conducted on thirty-six common bean (Pharsalus vulgaris L.) Genotypes across six contrasting environments defined for its different soil fertility status and located at the southern Ethiopia. The genotypes were arranged in 4 x 4 triple lattice design and executed for two successive main cropping seasons with the objectives to evaluate yield performance of common bean genotypes and identification of...

Author(s):Yayis Rezene Tedla

Participatory variety selection of improved bread wheat varieties for moisture stress areas of Guji Zone, Southern Oromia

Article in Press

Wheat is a major cereal crop produced at different agro-ecologies of Guji Zone, Southern Oromia. However, an access of improved bread wheat variety is highly limited, especially for moisture stressed areas of the Zone. Due to this and other preceding factors, the potential of the area to wheat crop is not exploited. So, there is a need to develop and promote technologies that suit for the area. As a result, the current...

Author(s):Obsa Chimdesa

Correlation and Path Coefficient Analysis Among yield and yield related traits of Maize (Zea mays L.) Inbred Lines

Article in Press

The experiment was conducted at Jimma Agricultural Research Center during 2016 cropping season. With the objective of to determine the phenotypic and genotypic association and thereby comparing the direct and indirect effect of traits on grain yield of maize inbred lines. The highest phenotypic and genotypic coefficients of variation were observed for grain yield per hectare, thousand kernel weight, ear height, ear...

Author(s):Leta Tulu

Heritability, corelation, GCV, PCV and pathcofficient analysis of promising spring rice genotypes in western hills of Nepal

Article in Press

A participatory varietal trial on Spring Rice (Oryza sativa L.) was conducted at farmer’s field of Dhamilikuwa, Lamjung with an objective to find out high yielding spring rice genotypes of farmer’s interests with study of variability, heritability, GCV, PCV, preference score and character association between yield and yield attributes during spring season 2017. Seven spring rice genotypes were laid out in randomized...

Author(s):S. Subedi

Growth, yield and grain quality response of durum wheat (Triticum turgidum L. Var. Durum) to blended NPS fertilizer supplemented with N rates at Arsi Negelle central Ethiopia

Article in Press

Proper type and amount of fertilizer application is the major factor that affects grain quality of durum wheat. Hence, field experiment was carried out on farmer’s field to determine the effect of blended NPS in combination with nitrogen on grain quality of durum wheat during 2016 cropping season. Factorial combinations of three blended NPS levels (100, 150, and 200 kg ha-1) each supplemented with five levels of nitrogen...

Author(s):Tilahun Abera

Genetic studies of Grain Yield and other agronomic Traits of Low-N Maize (Zea mays L.) Using a Diallel Cross

Article in Press

Ten low-N open pollinated maize varieties were converted to inbred line after six generations of selfing and used to study the genetic effects of grain yield and other agronomic traits. The 10 inbred lines were crossed in all possible combinations to generate 90 F1 hybrids (45 crosses and 45 reciprocals). The 90 F1 along with their parents were evaluated at the Teaching and Research Farms of Ekiti State University,...

Author(s):Michael Segun Afolabi

Comparison of grain yield based drought tolerance indices under normal and stress conditions of rice in Egypt

Article in Press

The objective of this study was to evaluate the ability of several indices to identify drought resistant genotypes of rice under normal and stress conditions in Egypt. Thirteen drought tolerance indices including stress susceptibility index (SSI), tolerance index (TOL), mean productivity index (MP), geometric mean productivity (GMP), stress tolerance index (STI), yield index (YI), yield stability index (YSI), drought...

Author(s):E. F. El-Hashash and R.Y.A. EL-Agoury

A study on Phenotypic and Genotypic Coefficient of Variations for Morphological and Agronomic Traits in Bread Wheat (Triticum aestivum L.) Genotypes Under the Arid Conditions of Northern Sudan

Article in Press

Genetic diversity is important for crop improvement. An experiment was carried out at Merowe Research Station, Northern state of Sudan, during two consecutive winter seasons 2013/14 and 2014/15 to estimate the phenotypic and genotypic coefficients of variations, heritability in broad sense, genetic advance and genetic advance as percentage of the mean for yield and other growth attributes in twenty four bread wheat...

Author(s):Fatih E. A. Hamza

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