Journal of
Horticulture and Forestry

  • Abbreviation: J. Hortic. For.
  • Language: English
  • ISSN: 2006-9782
  • DOI: 10.5897/JHF
  • Start Year: 2009
  • Published Articles: 281

JHF Articles

May 2020

Evaluation of forest litter mineralization capacity on the growth of Irvingia gabonensis in Ogwashi-Uku Forest Reserve, Delta State, Nigeria

The study evaluated litter production capacity of three forest plantation foliage litters as potential mineralization sources for the growth of Irvingiaga bonensis. Litter production capacity of Bamboo, Teak and Gmelina forest plantations was monitored for 70 days before Irvingia seeds were sown in open germination beds containing litters soil samples for vegetative development assessment. Data collected were analyzed...

Author(s): Egwunatum A. E., Dolor D. E. and Umeh P. C.  

May 2020

Studies of the wood of some Nigerian alkaloid-rich Strychnos species

The wood of three Nigerian species of Strychnos Linn. growing in different ecological zones was studied. The transverse, transverse longitudinal and radial longitudinal sections of the wood were made with sliding sledge microtome. The wood was macerated to measure its fiber and vessel dimensions. The wood was diffusing porous and intraxylary phloem occurred in the three species. Interxylary phloem in discontinuous ring...

Author(s): ASUZU Chinwe Uchechukwu and NWOSU Maria Obiageli  

April 2020

Woody species diversity conservation and carbon sequestration potential of coffee agroforestry systems in the Western Region of Cameroon

This study sought to assess the contribution of coffee agroforestry systems (CAFS) in conserving tree diversity and carbon stocks in the western region of Cameroon. Inventory was carried out in 52 plots laid out in CAFS and in adjacent secondary forest. Above-ground biomass was estimated using allometric method. A total of 30 species belonging to 19 families were identified in CAFS and 30 species belonging to 15...

Author(s): Lucie Félicité Temgoua, Alex Bruno Dong Etchike, Marie Caroline Momo Solefack, Pricelia Tumenta and Junior Nkwelle  

March 2020

Screening of tree seedling survival rate under field condition in Tanqua Abergelle and Weri-Leke Wereda’s, Tigray, Ethiopia

Rehabilitation of degraded lands through plantations is at the frontline of natural resource management in Ethiopia. However, plantations have been faced with various challenges mainly attributed to poor survival rate of tree seedlings. Hence, this research was conducted in Tanqua ‘Abergelle and Weri Leke Wereda’s with the objective of screening tree seedlings for their survival rates under field conditions....

Author(s): Gebrekidan Abrha, Sbhatleab Hintsa and Gebrekiros Gebremedhin  

March 2020

Evaluation of multi-functional fodder tree and shrub species in mid-altitudes of South Omo Zone, Southern Ethiopia

A study was conducted to evaluate the early growth performance and nutrient composition of some selected tree/shrub species in the fodder bank agroforestry system. Moringa stenopetala, Terminalia brownii, Morus alba, Melia azedarach, and Sesbania sesban were used for this study. Square quadrants of 16 m2 plot sizes were established with the RCBD of three replications. Seedlings were planted with 1 m × 1 m spacing...

Author(s): Asmelash Tesfaye Gebremedhin Alemayehu Hido Gedo Getahun Yakob Edo and Shimelis Tessema Haile  

January 2020

Vegetable soybean, edamame: Research, production, utilization and analysis of its adoption in Sub-Saharan Africa

Food and nutritional insecurity constitute a main challenge in most Sub-Sahara African countries. Efforts to provide diets with sufficient nutrients such as proteins, carbohydrates, vitamins and essential minerals should include the introduction of new vegetable and legume crops. Vegetable soybean “edamame”, is a nutritious vegetable legume well known and consumed in Asia and America, but underutilized in...

Author(s): Mahoussi Kadoukpe Arnaud Djanta, Eric Etchikinto Agoyi, Symphorien Agbahoungba, Florent Jean-Baptiste Quenum, Flora Josiane Chadare, Achille Ephrem Assogbadjo, Clement Agbangla and Brice Sinsin  

January 2020

Management and the influence of socioeconomic factors on tree species diversity in traditional agroforestry practices in Demba Goffa District, South Ethiopia

The study was designed to provide a baseline data on status of woody species diversity, local knowledge in use and the influence of socioeconomic factors. Interview and discussion with key informants and formal survey with structured questionnaires were employed to collect primary data. The assessment of tree species richness was done by inventorying trees at the sampled plots of the different agroforestry practices...

Author(s): Gebremedhin Chameno Chalite  

October 2019

Morphological characterization and Simple Sequence Repeats (SSRs) based DNA fingerprinting of selected mango (Mangifera indica L.) genotypes in Bangladesh

Nineteen genotypes of mango including nine released varieties viz. BARI Aam-1, BARI Aam-2 (Laxmanbhog), BARI Aam-3, BARI Aam- 4 (Hybrid), BARI Aam-5, BARI Aam-6, BARI Aam-7, BARI Aam-8, BARI Aam-9; one parental line viz. M- 3896 and nine Geographical Indication Crops (GIs) viz. Haribhanga, Surjapuri, Fazli, Gourmoti, Ashwina, Khirsapat, Gopalbhog, Langra and Ranipasand were characterized with a view to identifying the...

Author(s): Md. Rezwan Molla, Iftekhar Ahmed, Md. Amjad Hossain, Md. Shafiqul Islam, Md. Aziz Zilani Chowdhury, Dilruba Shabnam and Md. Motiar Rohman  

August 2019

Integrated effect of nitrogen and vermicompost levels on yield and yield components of carrot (Daucus carota L.) at Woreta, Northwestern Ethiopia

The N fertilizer or organic resources alone may not provide sufficient amounts or may be unsuitable for improving specific constraints to crop production. In view of this, a field trial was conducted at Woreta ATVET College horticultural farm, Ethiopia to determine integrated effect of nitrogen and vermicompost levels on yield and yield components of carrot, nantes type, during 2017 main rainy season. Nine treatments...

Author(s): Tadila Getaneh and Amare Mezgebu  

July 2019

Effect of tea processing methods on biochemical composition and sensory quality of black tea (Camellia sinensis (L.) O. Kuntze): A review

Final quality of black tea depends mainly on the chemical composition of the raw tea leaves. Various plucking methods have direct effect both on yield and quality in different cultivated variety and environments. Different literature reports indicated that polyphenols, caffeine, essential oils and amino acids are responsible for aroma and flavor of black tea. The oxidation process begins at rolling step and ends at...

Author(s): Kidist Teshome  

July 2019

Notice of Retraction: Impact of mobile phones on the density of honeybees

The editors of the Journal of Horticulture and Forestry (JHF) are retracting the article, “Impact of mobile phones on the density of honeybees” published in 2011 (Vol. 3(4), pp. 131-133, April 2011). This is informed by the multiple publication of the article under different titles in other journals (;...


May 2019

Effects of light quality and photoperiod of light emitting LED on growth and biomass accumulation of shallot

In the present investigation, effects of light quality emitted by light emitting light emitting diodes (LED),  and selected photoperiods on the growth and biomass accumulation of shallot (Allium cepa var. aggregatum) have been studied. Two ratios of red and blue light namely, 2:1 and 1:1 and two photoperiods 16 h dark and 8 h light cycle and 12 h each alternating light and dark cycle were tested. The results showed...

Author(s): Yue Zhang, Xin Ran Wang and Jianjun Chen,  

April 2019

Effect of drip lateral spacing and mulching on yield, irrigation water use efficiency and net return of onion (Allium cepa L.) at Ambo, Western Shoa, Ethiopia

Field experiment was conducted at Ambo during the 2017/2018 to investigate effects of drip lateral spacing and mulching on yield, water use efficiency and net return of onion. Eight treatments with three replications were randomized in complete block design to conduct the experiment. Two levels of drip lateral spacing and four levels of mulch were used to evaluate their effects. The result showed that both onion yield...

Author(s): Oli Firissa, Teshome Seyoum, and Fentaw Abegaz  

April 2019

Impacts of human resettlement on forests of Ethiopia: The case of Chamen-Didhessa Forest in Chewaka district, Ethiopia

Ethiopia has been practicing population resettlement programmes since 1960s mainly as a response to extreme land degradation in the highlands. The programmes were carried out mainly in the lowlands of western, southwestern and southern Ethiopia. Accordingly, 12,305 households (56,715 people) from Eastern and Western Hararghe zones were formally resettled in Chamen-Didhessa forest in Chewaka district. The major aim of...

Author(s): Derjew Yilak and Daniel Getahun Debelo  

March 2019

The role of Faidherbia albida tree species in parkland agroforestry and its management in Ethiopia

Agroforestry has been defined as a dynamic ecologically based natural resources management system that through the integration of trees on farms and in the agricultural landscape, diversifies and sustains production for increased social, economic and environmental benefits for land users at all levels. This paper highlighted the role of Faidherbia albida tree species in Parkland Agroforestry and its management. Large...

Author(s): Tsegu Ereso  

March 2019

Evaluation of potato (Solanum tuberosum L.) varieties for yield and yield components

Lack of well adapted potato (Solanum tuberosum L.) varieties is a production problem accounting for low yield. Farmers grow local landraces. A field experiment was conducted to investigate the performance of potato varieties for yield and yield components from 2013 to 2015 under rain fed condition using improved varieties and a local landrace. There were differences among varieties for all traits. Year had little effect...

Author(s): Solomon Fantaw, Asrat Ayalew, Daniel Tadesse, Zenebe G/Medhin and Eshetu Agegnehu  

March 2019

Effect of blended chemical fertilizer (sulfur, nitrogen and phosphorus) on yield and yield components of potato (Solanum tuberosum L.) in the rainy season

Potato is the fourth most important crop and consumed all around the world and is one of the main favorite vegetable in Ethiopia. However, the national productivity is very low as compared to the potential of the crop.  One of the main reason for low productivity is low soil fertility. Hence, a field experiment was conducted from 2016-2018 with 9 combination of nitrogen, phosphorous and sulfur fertilizers arranged...

Author(s): Solomon Fantaw, Derajew Asres and Aleminew Tagele  

February 2019

Comparative field survival and growth of selected Ethiopian native tree species and the effect of whole soil arbuscular mycorrhizal fungi inoculation

Tree species selection and seedlings lack of infective arbuscular mycorrhizal fungi (AMF) could potentially contribute to low forest restoration success in Ethiopia. Hence, we evaluated the comparative field performance of Cordia Africana (C. africana), Juniperus procera (J. procera), and Podocarpus falcatus (P. falcatus) seedlings and the effect of whole soil AMF inoculation. Seedlings prepared using the existing...

Author(s): Fisseha Asmelash, Tamrat Bekele and Zerihun Belay  

February 2019

Socio-economic importance of highland bamboo (Yushania alpina K. Schum) and challenges for its expansion in Bibugn District, East Gojjam, Ethiopia

Highland bamboo (Yushania alpina) plays an important role in various socio-economic aspects in Ethiopia. However, these socio-economic roles and the associated challenges have not been studied in Bibugn District of East Gojjam, Ethiopia. Therefore, this study was conducted to assess the socio-economic importance of highland bamboo and the associated challenges for its expansion. For this study, four rural sub-districts...

Author(s): Yohannes Walie Guadie, Debela Hunde Feyssa and Dereje Bekele Jiru  

January 2019

Evaluation of morphological diversity of tamarind (Tamarindus indica) accessions from Eastern parts of Kenya

Tamarind is native to tropical parts of Africa and Asia. It shows considerable phenotypic variation in morphological and horticultural traits that can be utilized in its genetic improvement. In Kenya, there exists a wide range of tamarind germplasm that has not been characterized. Initial characterization is based on morphological descriptors. The objective of this study is to evaluate morphological diversity of...

Author(s): Mercy Liharaka Kidaha, Wariara Kariuki, Fredah K. Rimberia and Remmy Kasili Wekesa  

January 2019

Ecological assessment of plant diversity and associated edaphic and topographic variables in the Gra-Kahsu forests of Ethiopia

The study was conducted to assess the influences of edaphic and topographic variables on plant diversity on the slopes of Gra-kahsu forest area. Collection of vegetation data was made using systematic sampling methods, laying 19 transects and 62 quadrats, each with 20 m × 20 m for trees and 5 m × 5 m for shrubs. In each quadrat, heights (1.5 m), diameters (2.5cm) and numbers of woody species, level of...

Author(s): Tesfay Atsbha, Anteneh Belayneh Desta    

October 2018

Effect of manure and nitrogen rates on growth and yield of garlic (Allium sativum L.) at Haramaya, Eastern Ethiopia

An experiment was conducted at Haramaya University, Horticulture Research Field, Haramaya during the period from 13 August, 2010 to 17 January, 2011 to investigate the effect of manure and different levels of nitrogen on yield and yield attributed traits. A local garlic cultivar was used for the study. The treatments consisted of four levels of nitrogen (0, 50,100 and 150 kg/ha) and three levels of goat manure (0, 10...

Author(s): Tadila G. and Nigusie D.  

September 2018

Farmer’s traditional practices and management methods of stored common bean (Phaseolus vulgaris L.) insect pests in the central region of Benin Republic

Common bean (Phaseolus vulgaris L.) is a legume that contributes to food security and poverty reduction in Benin. However, there is very little information on its production constraints, varietal diversity, storage practices, storage insect management, and seed system. While these information are necessary for use in breeding programs and a better conservation of this legume. To fill these gaps, ethnobotanical surveys...

Author(s): Loko Yêyinou Laura Estelle, Akpo Ahouélété Joel, Orobiyi Azize, Toffa Joelle and Dansi Alexandre

September 2018

Impact of land-use on tree and fruit morphometric variation of the bitter kola (Garcinia kola Heckel) in Benin: Insight for domestication and production.

Garcinia kola is an IUCN globally vulnerable species native in Benin where it is extinct in the wild. It is also one of the top ten priority non-timber forest products in Benin because of its socio-economic and medicinal values. Still, G. kola is neglected and underutilized. The morphological variation of G. kola traits was investigated in two land-use types (home gardens versus farmlands) where it is found in Benin...

Author(s): Colombe Dadjo, Mireille Toyi, Aggrey Bernard Nyende, Kolawolé Valère Salako and Achille Ephrem Assogbadjo  

August 2018

Effects of seed pre-treatments on the germination and early growth of Echinops giganteus C.D Adam

This study aims to evaluate the effects of seed pre-treatments on the germination of Echinops giganteus. The pre-treatments used were partial manual removal of the pappus (T1), total removal of the pappus (T2), roasting for 2 min (T3), roasting for 4 min (T4), roasting for 6 min (T5), soaking in water for 6 h (T6), soaking for 12 h (T7), soaking for 24 h (T8) and the control (T0). The experiment was laid out in a...

Author(s): Francoline Jong Nkemnkeng Mendi, Grace Anjah, Walter Ndam Tacham  

June 2018

Multiplication of a woody forest gallery species: Pterocarpus santalinoides L’Hér. ex DC.

With climatic change, and despite their protection by the Malian forest code, species characterizing the natural forest galleries of rivers in southern Mali are threatened with extinction because of the development of agricultural parcels. A study of seeds germination and the growth of branch cuttings of Pterocarpus santalinoides L’Hér. ex DC. were carried out for multiplication of this typical gallery...

Author(s): Lassina Traoré, Moussa Karembé and Doulaye Dembélé  

June 2018

Effect of inorganic NP fertilizers and vermicompost on growth, seed yield and yield components of onion (Allium cepa L.) at Maitsebri, northern Ethiopia

The NP fertilizer or organic resources alone may not provide sufficient amounts or may be unsuitable for alleviating specific constraints to crop production. Therefore, a field experiment was conducted at Maitsebri Research Station of Shire-Maitsebri Agricultural Research Center (SMARC) to study the effect of inorganic NP fertilizers and vermicompost on growth, seed yield and yield components of red onion (Allium cepa...

Author(s): Kiros Asgele, Kebede Woldetsadik and Fikreyohannes Gedamu  

June 2018

Effects of volumetric soil water content and fertilizer rate on growth and baicalin accumulation in two species of Scutellaria

Scutellaria or skullcap is a genus containing approximately 350 species of flowering plants, many of which are sold and marketed for their medicinal value. Flavonoids found in Scutellaria spp. have demonstrated anti-inflammatory, antiviral, sedative, antithrombotic and antioxidant affects. Baicalin, a flavonoid produced by Scutellaria spp., is an important compound used to treat anxiety. Scutellaria spp. have potential...

Author(s): Amanda Morgan, Brian Joseph Pearson, Gul Shad Ali, Kimberly Moore and Lance Osborne

May 2018

Growth and yield of potato (Solanum tuberosum L.) cultivars as influenced by plant spacing at Haramaya and Hirna, Eastern Ethiopia

A field experiment was conducted at Haramaya and Hirna during the main cropping season of 2013 to determine the appropriate plant spacing for potato cultivars in relation to growth and yield. The treatments consisted of five seed tuber spacing (75 cm × 30 cm, 60 cm × 30 cm, 60 cm × 25 cm, 50 cm × 25 cm and 45 cm × 20 cm) and four potato varieties (Bubu, Badhassa, Zemen and Chiro). A...

Author(s): Birhanu Tsegaye, Nigussie Dechassa and Wassu Mohammed  

May 2018

On-farm demonstration and evaluation of improved lowland sorghum technologies in Daro Lebu and Boke districts of West Hararghe Zone, Oromia National Regional State, Ethiopia

This experiment was conducted in Daro Lebu and Boke districts of West Harerghe Zone with the objectives of evaluating lowland sorghum varieties on farmer’s field and creating linkage and networking among stakeholders. Three kebeles were selected purposively based on sorghum production potential, two kebeles from Daro Lebu and one kebele from Boke district. Five farmers and one Farmer Training Center participated...

Author(s): Mideksa Babu, Fekede Gemechu and Asfaw Zewdu

May 2018

Evaluation of selected botanical aqueous extracts against cabbage aphid (Brevicoryne brassicae L. (Hemiptera: Aphididae) on cabbage (Brassicae oleraceae L.) under field condition in Kobo District, North Wollo, Ethiopia

Cabbage is one of the most important vegetable crops under cultivation throughout the world, especially in Africa including Ethiopia. Cabbage aphid is a sap sucking insect pest that damage cabbage. Growers use synthetic chemicals to control cabbage aphids. The aim of this study was to evaluate the efficacy of Azadirachta indicae, Otostegia integrifolia and Crinum ornatum aqueous extract against cabbage aphids. The field...

Author(s): Desale Getahun Nahusenay and Getnet Atenafu Abate

April 2018

Influence of climate on fruit production of the yellow plum, Ximenia americana, in Burkina Faso, West Africa

Fruits of Ximenia americana have socio-economic value for the local people in West Africa. Understanding the possible influence of climate conditions on fruit production is a basis for better exploitation planning and sustainable management of the species. This study aims to assess the fruit production of X. americana according to tree size across a climatic gradient. The mean total number of fruits, the mean weight of...

Author(s): Ounyambila Lompo, Anne Mette Lykke, Benjamin Lankoandé and Amadé Ouédraogo

April 2018

Impact evaluation on survival of tree seedling using selected in situ rainwater harvesting methods in Gerduba Watershed, Borana Zone, Ethiopia

Establishing forest plantation on degraded rangelands play a key role in forest rehabilitation processes through afforestation or/and reforestation. In-situ rainwater harvesting has positive impact on seedling survivals at degraded rangelands. A quadrant of 10 m × 10 m of five times replication at three slope classes under area enclosure was used. Both survived seedlings and soil physical parameters were collected...

Author(s): Demisachew Tadele, Awdenegest Moges, Mihret Dananto

March 2018

Collection and characterization of garlic (Allium sativm L.) germplasm for growth and bulb yield at Debre Markos, Ethiopia

Garlic (Allium sativm L.) is the most widely used crop among cultivated Allium species in Ethiopia and it has a wide range of climatic and soil adaptation. Production of the crop is confronted with a number of problems and the total production and productivity in the country is low. Among many contributing factors, lack of improved varieties and garlic rust are the major ones. In view of this, an experiment was carried...

Author(s): Yebirzaf Yeshiwas, Belete Negash, Tegibew Walle, Yohaness Gelaye, Abayneh Melke and Kassahun Yissa 

March 2018

Determinants of outlet choices by smallholder onion farmers in Fogera district Amhara Region, Northwestern Ethiopia

Market outlet choice for small holder onion producers is mandatory, since onion crop is a perishable horticultural crop. This study was aimed at assessing determinant of market outlet choice by smallholder onion farmers in Fogera District of Ethiopia. A stratified random sampling technique was employed, to select 150 onion producers in the study area. Multivariate probit model was employed to identify the factor...

Author(s): Taye Melese, Degye Goshu and Assefa Tilahun

February 2018

Determination of the economic threshold level of tomato leaf miner, Tuta absoluta Meyrick (Lepidoptera: Gelechiidae) on tomato plant under glasshouse conditions

Tomato leaf miner, Tuta absoluta (Meyrick) (Lepidoptera:Gelechiidae) is an important pest of tomato crops native to South America. It is considered to be one of the major pests of tomato crop in Ethiopia since 2012. The aim of this study was to determine the economic threshold level of T. absoluta under glasshouse conditions. The damage potential and economic threshold level for T. absoluta larvae on tomato crop were...

Author(s): Tadele Shiberu and Emana Getu

January 2018

Physico-chemical properties of soil under the canopies of Faidherbia albida (Delile) A. Chev and Acacia tortilis (Forssk.) Hayen in park land agroforestry system in Central Rift Valley, Ethiopia

This study was conducted to evaluate the effect of Faidherbia albida and Acacia tortilis on soil physico-chemical properties at Langano and Tuka in farm fields of Bora District where both trees are traditionally retained on the farm. At each site, four F. albida and four A. tortilis trees were purposively selected and soil sample collected from four directions at three distances (1.35, 3.35 and 26.35 m) from tree trunk...

Author(s): Komicha Negeyo Desta, Nigatu Lisanenwork and Mohammad Muktar

December 2017

Assessment of beekeeping production system and constraints in Sude Woreda, Arsi Zone Oromia Ethiopia

The study was conducted in Arsi Zone Sude Woreda, Oromia region, Ethiopia aims to assess beekeeping production systems and constraints. Totally, 90 households were selected for the study. Semi structured questionnaire was prepared to collect primary data. The collected data were analyzed using descriptive statistics and the results were organized by tables and graphs. Based on the survey result, about 97% of the...

Author(s): Alemayehu Weldearegay and Abera Anja

November 2017

Trees species diversity in perennial crops around Yapo protected forest, Côte d’Ivoire

The potential of agricultural landscapes for tree species diversity conservation in perennial crop was examined in the Southeast of Côte d’Ivoire. Based on botanical survey of trees and shrubs species, the beta diversity has been assessed and diversity profile, species accumilation curves, and rank abundance have been compared from 70 plots of 500 m2 selected in the Yapo Protected Forest (YPF), a Voluntary...

Author(s): Vroh Bi Tra Aimé, N’guessan Kouakou Edouard and Adou Yao Constant Yves,

October 2017

Growth responses of branch cuttings of Cordia africana to physiological age

The use of accurate cutting age in vegetative propagation is a key element in improving plant performance. To investigate the effect of physiological age on Cordia africana, branch cuttings from 1-3-, 8-10- and ≥15-year-old trees were grown under open-field conditions for two months. The cuttings were monitored for flushing and growth. The number of days to flushing was lowest for the 8-10-year-old and highest for...

Author(s): Titus Fondo Ambebe, Maghah Josephine Akenji and Njoya Moses Tita Mogho

September 2017

Yield improvement in hot pepper through demonstration of improved variety (Melkashote) with improved production technologies under irrigation scheme, Abergelle, Tigray, Ethiopia

The demonstration was conducted in 2014/15 production season at Tanqua-Abergelle district, particularly at Hadash-Tekhli (Zembaw) irrigation scheme at farmers’ land. The scheme has high irrigation potential for horticultural crops production. But, improved technologies have not yet demonstrated. Therefore, the objective of this research was to demonstrate improved variety of pepper with improved management...

Author(s): Hintsa Meresa, Tsegay Gebreselassie, Fantay Belay, Haftu Kelelew and Atsbha Gebreslassie

September 2017

Vegetative propagation of selected clones of cocoa (Theobroma cacao L.) by stem cuttings

The government of Cameroon is responsible for distributing hybrid cocoa seeds to farmers in Cameroon. These high-yielding and pod rot-resistant hybrids are obtained from self-incompatible commercial clones used for seed production by manual pollination of freshly opened flowers. The experimental procedure for the propagation technique of these clones has never been reported. The objectives of this study are to assess...

Author(s): Essola Essola Emmanuel Junior, Caspa Roseline Gusua, Tchatchoua Dorothy Tchapda and Owona Ndongo Pierre Andre

August 2017

Biology of Tuta absoluta (Meyrick) (Lepidoptera: Gelechiidae) under different temperature and relative humidity

Tomato leaf miner, Tuta absoluta (Meyrick) is a pest of Solanaceae crops, particularly tomato (Lycopersicon esculentum (Miller)) and potato (Solanum tuberosum Linnaeus) in the world. There are different records on the biology of T. absoluta in the world mainly due to variations in temperature and relative humidity. In Ethiopia, night temperature is very low and day temperature is very high. Due to this reason, it is...

Author(s): Tadele Shiberu and Emana Getu

July 2017

Management of root-knot nematode Meloidogyne incognita (Kofoid and White) Chitwood in Tomato (Lycopersicon esculentum Mill. through poultry manure and rapeseed cake

Study was conducted in Diredawa Haramaya University Research Station in naturally root-knot nematode infested soil to determine the effect of poultry manure and rapeseed cake against root-knot nematode infestation and yield of tomato var. Mraglobe. Five levels of poultry manure (0, 5, 10, 15 and 20 ton/ha) and three levels of rapeseed cake (0, 100 and 200 kg/ha) were applied in experimental plot three weeks before...

Author(s): T. Shiferaw, N. Dechassa and P. K. Sakhuja

June 2017

Effect of seasonality, graft type and scion characteristics on propagation of Vitex payos in the drylands of Kenya

This study focused on Vitex payos (Lour) Merr. which is a high valued indigenous fruit tree known for its social (nutritional and medicinal use) and economic potential in Kenya. However, domestication of this species is hampered by limited information on its vegetative propagation. The objective of the present study was to determine the effect of seasonality and grafting methods on graft take-off and survival. Scions...

Author(s): Pauline Bala, Giathi Gitehi, Oeba Vincent, Stephen Fredrick Omondi, Luvanda Albert and Michael Okeyo

May 2017

Growth and survival rate of endemic trees of Ethiopia: Olea africana and Hagenia abysinicca in Lake Haramaya Watershed, Eastern Ethiopia

The study was conducted to explore the growth and survival rate of the native tree species of Ethiopia, Olea africana and Hagenia abysinicca in Lake Haramaya Watershed, Eastern Ethiopia. Three sub watersheds of Lake Haramaya Watershed, namely, Bachake, Damota, and Tinike were selected purposefully on the basis of their extreme degradation and nearby vanished Lake Haramaya. In each sub watersheds, a total of about 12...

Author(s): Eba Muluneh Sorecha

May 2017

Farmyard manure and intra-row spacing on yield and yield components of Adama Red onion (Allium cepa L.) cultivar under irrigation in Gewane District, Afar Region, Ethiopia

A field experiment was conducted at Gewane Agricultural Technical and Vocational Education and Training College in 2012/2013 to assess effect of farmyard manure and intra-row spacing on yield and yield components of Adama Red onion (Allium cepa L.) cultivar under irrigation.  Factorial combination of four rates of farmyard manure (0, 10, 20 and 30 t ha-1) and four levels of intra-row spacing (7.5, 10, 12.5 and 15...

Author(s): Derajew Asres Mekonnen, Fikreyohannes Gedamu Mihretu and Kebede Woldetsadik

April 2017

Survey on distribution and significance of White Mango scale (Aulacaspis tubercularis) in Bench-Maji Zone, Southwest Ethiopia

This research was initiated following the outbreak of Aulacaspis tubercularis in bench Maji zone with the objective to assess information about occurrence and extent of pest infestation and distribution. Informal survey was conducted first to have a better insight and identify the major pest infested areas. Accordingly, three infested Kebeles namely, Otowa chole, Kuja and Berji in Guraferda woreda were purposefully...

Author(s): Tsegaye Babege, Bewuketu Haile and Awalom Hailu

March 2017

Characterization of potato production, marketing, and utilization in North Western Amhara Region, Ethiopia

Characterization of potato production, marketing and utilization were undertaken in four zones of North Westren Amhara Region namely West Gojjam, East Gojjam, South Gonder and Awi based on their potato production on 158 farmers in 2010 to 2011. The main objective of the study was to characterize and document as well as to assess the challenges of existing potato production, marketing and utilization systems based on...

Author(s): Yazie Chanie, Akalu Teshome, Yalfal Temesgen and Baye Berihun

February 2017

Profitability of potato (Solanum tuberosum L.) as affected by NP nutrition and variety in Southern Ethiopia

Profitability of different rates of nitrogen (N), phosphorus (P) and five potato varieties (Bellete, Gudene, Jalene, Marachere and local check) was investigated in southern Ethiopia to find out rates of the nutrients and varieties that would give acceptable returns and likely to be adopted by smallholder farmers in the locality. Factorial combination of N (0, 55.5 and 111 kg/ha) and P (0, 19.5 and 39 kg/ha) were applied...

Author(s): Hailu Gebru, Ali Mohammed, Nigussie Dechassa and Derbew Belew

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