African Journal of
Plant Science

  • Abbreviation: Afr. J. Plant Sci.
  • Language: English
  • ISSN: 1996-0824
  • DOI: 10.5897/AJPS
  • Start Year: 2007
  • Published Articles: 718

AJPS Articles

Combining ability of highland adapted maize (Zea mays L.) inbred lines for grain yield and yield related traits under optimum and low nitrogen conditions

May 2019

Maize is staple cereal crop in Ethiopia despite the fact that its production is constrained by nitrogen deficiency due to the high cost of fertilizer, and risks of drought. Therefore, development of maize varieties for low nitrogen might be one of the options to overcome the problem. The objective of this study was to estimate combining ability of highland maize inbred lines for yield and yield related traits under low...

Author(s): Shimelis Tesfaye, Habtamu Zeleke and Demissew Abakemal  

Agro-physiological responses of okra genotypes cultivated under water deficit conditions

April 2019

  Water is a scarce resource, and Okra (Abelmoschus esculentus) is grown in wet and dry seasons. For its dry season cultivation, alternative water sources are used for watering, but these sources are not sustainable in Burkina Faso. The aim of this study was to determine water deficit effect on okra’s behavior. Five genotypes of okra were subjected to three water regimes: (i) T1, watering at 100% of soil...

Author(s): Rasmata Nana, Mahamadi Hamed Ouédraogo, Nerbéwendé Sawadogo, Didier Compaoré, Razacswendé Fanta Ouédraogo, Badoua Badiel and Mahamadou Sawadogo

Taxonomic significance of the vegetative anatomy of members of genera Colocasia (L.) Schott and Xanthosoma (L.) Schott in the family Araceae

April 2019

Anatomical attributes are important for taxonomic studies of plants.  This study investigated foliar and petiole anatomy of some members of the genera Colocasia and Xanthosoma. Similar and diagnostic characters critical for the taxonomy of the two genera were identified. The similar characters include, polygonal epidermal cell shape, straight adaxial anticlinal wall pattern, brachyparacytic stomata type, elliptic...

Author(s): Oluwabunmi Okerinmola Arogundade and Olubukola Adedeji

Nutrient and antinutrient constituents in seeds of Sphenostylis stenocarpa (Hochst. Ex A. Rich.) Harms

April 2019

Nutrient and antinutrient constituents in seeds of Sphenostylis stenocarpa were determined. The proximate composition revealed that S. stenocarpa seed contains 12.44% moisture, 18.55% protein, 2.41% lipid, 2.93% ash, 1.95% fibre, 74.16% carbohydrate and 392.50 kcal caloric value. The antinutrients analysis showed that the seed contains 15.25 mg/100 g hydrocyanide, 144.14 mg/100 g tannins, 1.01 mg/100 g phytate and 61.60...

Author(s): Sam S. M.  

Influence of combined application of P fertilizer and lime on Mucuna flagellipes nodulation, growth and yield

March 2019

Field studies were carried out in the Teaching and Research farm of Cross River University of Technology, Obubra, Nigeria in 2016 and 2017 cropping seasons to determine the effects of lime and phosphorus on the nodulation of Mucuna flagellipes. The experimental design was a 3 × 4 factorial of three lime rates: 0, 1 and 2 t CaCO3/ha and four P rates: 0, 20, 40 and 60 kg P/ha laid out in a randomized complete block...

Author(s): Agba O. A., Eze S. C., Atugwu A. I., Awere S. U. and Chukwu C.  

Predicting aflatoxin content in peanuts using ambient temperature, soil temperature and soil moisture content during pod development

March 2019

Higher than acceptable aflatoxin levels in peanut kernels (Arachis hypogaea L.) and related products is a worldwide food safety concern. Strict regulatory standards by major importers of peanuts limit the marketability of peanuts for many developing tropical countries including Zambia. The incidence of pre-harvest aflatoxins is strongly linked to soil and weather conditions during pod-development. This study aimed to...

Author(s): Hendrix Muma Chalwe, Obed Isaac Lungu, Alice Mutiti Mweetwa, Elijah Phiri, Jones Yengwe, Samuel Muriu Christopher Njoroge, Rick Lynn Brandenburg and David Jordan  

Evaluation of triticale (X. Triticosecale Wittmack) genotypes for adult plant resistance to stem rust (Puccinia graminis f. sp. tritici)

March 2019

Stem rust (Puccinia graminis f. sp. tritici) is one of the three rust diseases that infect triticale (X. Triticosecale Wittmack). Twenty-six triticale genotypes were evaluated for adult plant resistance (APR) to stem rust (Sr) infection in the greenhouse in a Randomized Complete Block Design (RCBD). R-TR (resistant –trace or minimal uredinia) reactions were observed on 6 genotypes EUT046, EUT59, EUT090, EUT093,...

Author(s): Isaiah Aleri, James O. Owuoche and Pascal P. Okwiri Ojwang

Family Neuradaceae J. G. Agardh in Saudi Arabia

February 2019

Morphological characters, seed coat sculpturing (SEM) of seed, leaf, pollen grains and also a key aspects were revisited to revise relationships between dissimilar taxa of the genus Neurada in Saudi Arabia. The present revision shows the occurrence of three distinctive varieties (var. procambens, var. al-eisawii and var. stellate); the last two varieties considered a new registration in Flora of Saudi...

Author(s): Behery, M. K.  

Genetic variability studies of some quantitative traits in cowpea (Vigna unguiculata l. [walp]) under water stress

February 2019

This research was conducted to study genetic variability of some quantitative traits in varieties of cowpea (Vigna unguiculata L. [Walp.]) under water stressed in Zaria Sudan Savannah, Nigeria. Seven varieties of cowpea (Sampea 1, Sampea 2, IAR1074, Sampea 7, Sampea 8, Sampea 10 and Sampea 12) collected from Institute for Agricultural Research, Samaru, Zaria, were screened for tolerance to water stress. The seeds were...

Author(s): Magashi A. I., Shawai R. S., Muhammad A. and Ibrahim M. B.  

Correlations and path Analysis of some quantitative characters in barley (Hordeum vulgareum L.) landraces in western Oromia, Ethiopia

February 2019

Barley is recognized as one of the oldest cereal crop in Ethiopia grown for various uses. The knowledge of the association between various yield components and yield is paramount important for effective selection in crop improvement. The present study was to determine the   interrelationship and direct and indirect effects of yield component traits on grain yield of Ethiopian landraces barley for further...

Author(s): Geleta Negash, Dagnachew Lule and Zerihun Jalata  

Traits association and path coefficient analysis of yield and related traits in rainfed lowland rice (Oryza sativa L.) genotypes in North Western Ethiopia

January 2019

The current study was conducted to assess the trait association and path analyses in thirty-six rain fed lowland rice genotypes at two locations. The aim of this present study was to estimate the extent of association between pairs of characters at phenotypic and genotypic levels and thereby compare the direct and indirect effects of the characters. The field experiment was laid out in 6x6 simple lattice design with two...

Author(s): Tefera Abebe, Sentayehu Alamerew and Leta Tulu  

Growth, yield component and yield response of durum wheat (Triticum turgidum L. var. Durum) to blended NPS fertilizer supplemented with N rates at Arsi Negelle, Central Ethiopia

January 2019

Proper type and amount of fertilizer application is the major factor that affects yield and yield components of durum wheat. Hence, field experiment was carried out on farmer’s field to determine the effect of blended NPS fertilizer (19% Nitrogen, 38% P2O5 and 7% Sulfur) in combination with nitrogen on growth, yield components, and yield of durum wheat. Factorial combinations of three blended NPS levels (100, 150,...

Author(s): Tilahun Abera Ishete and Tamado Tana  

Review on effect of population density and tuber size on yield components and yield of potato (Solanum tuberosum L.)

December 2018

Population density and seed tuber is an important agronomic management practices in the production of potato (Solanum tuberosum L.). However, potato farmers in Ethiopia often use random population density and tuber sizes, which contribute to the low yield of the crop. Thus the objective of this study is to review effect of population density and tuber size on yield components and yield of potato. The result of this...

Author(s): Semira Nasir and Bikila Akassa  

Effect of genotype and environment on grain quality of sorghum (Sorghum bicolor L. Moench) lines evaluated in Kenya

December 2018

Grain sorghum (Sorghum bicolor) has a great potential for use as food and beverage in developing countries. However, information regarding the effect of the agro-ecological environments on the grain quality attributes of selected sorghum lines desirable for malting and brewing and for baking in Kenya, is lacking. The experiments of this study were conducted at different environmental locations in Kisumu, Siaya and Busia...

Author(s): Njuguna V. W., Cheruiyot E. K., Mwonga S. and Rono J. K.  

Nitrogen release dynamics of Erythrina abyssinica and Erythrina brucei litters as influenced by their biochemical composition

December 2018

Litter mineralization is a crucial process in providing nutrients through decomposition to plants, which also depends in the biochemical composition of the litter and soil properties as well. Decomposition rate of Erythrina abyssinica and Erythrina brucei in Luvisol was investigated in relation to their nutrient release dynamics such as NH4+-N and NO3--N in relation to their initial concentrations of lignin, acid...

Author(s): Abebe Abay  

Effects of waterlogging on growth, biomass and antioxidant enzymes on upper ground and roots of two peony cultivars

December 2018

Tree peony (Paeonia suffruticosa Andr.) is a perennial deciduous shrub with ornamental and medicinal value. Waterlogging stress is an agricultural problem for peony in Jiangnan of China. This study investigated the growth, biomass, cell membrane permeability and antioxidant enzymes of two P. suffruticosa cultivars ‘Feng Dan Bai (FDB)’ and ‘MingXing (MX)’. The response of roots and upper ground to...

Author(s): Xiangtao Zhu, Wen Ji, Erman Hong, Yufei Cheng, Xin Lin, Haojie Shi, Xueqin Li and Song Heng Jin

Effect of Electrocultre on seed germination and growth of Raphanus sativus (L)

December 2018

Experiments were carried out to study the effect of electricity on the seed germination and growth of the Raphanus sativus. For the experiment, twelve pots were grouped into four sets, each containing three pots. In each pot, 20 seeds were sowed. While keeping all the parameters constant 3V, 6V and 9V electricity was supplied for 10 min daily to three groups only, while one set of three pots were not supplied with the...

Author(s): Mukundraj B. Patil

Evaluation of Growth, Yield and Quality of Potato (Solanum tuberosum L.) Varieties at Bule, Southern Ethiopia

November 2018

This experiment was aimed to evaluate the performance of potato varieties in respect to growth, yield and quality attributes. A field experiment was carried out in Bule, Southern Ethiopia during the summer of 2017 under rain fed condition. The experiment was a single factor and arranged with randomized complete block design with 3 replicates. Treatments included different potato varieties (Bule, Gudenie, Jalenie,...

Author(s): Alemayehu Tilahun Getie, Miilion Paulos Madebo and Seman Abrar Seid  

Evaluation of rice (Oryza sativa L.) advance uniform lines using multivariate analysis

November 2018

Principal component analysis is a multivariate statistical technique used to observe the variance and to assess the relative influence of various traits for aggregate variability. In this study, ten advance uniform rice lines were grown for two consecutive years and morphometric data on eight yield and yield related attributes were collected. The principle component analysis was performed on the means of two...

Author(s): Awais Riaz, Tahira Bibi, Qasim Raza, Muhammad Sabar and Muhammad Akhter

Effect of brewery effluent on the anatomical and morphological structure of Talinum triangulare (Jacq) Willd

November 2018

The study was carried out to determine effect of brewery effluent on the anatomical and morphological characters of Talinum triangulare. Seeds from matured T. triangulare were germinated and transplanted into plastic containers. The seeds were irrigated with 10, 20, 30 and 40% effluent concentrations respectively. A control experiment irrigated with normal water was also set aside. Data were collected on weekly basis...

Author(s): Folorunso A. E., Dada C. M., Olaleye-Otunla F. and Agboola O. O.

Genotypic response to weeding regimes of upland rice on woodland savannah sub-ecological area of Lake Albert crescent zone of Uganda

November 2018

Weeds represent one of the major biological constraints to upland rice production in low input agricultural systems. The effects of weeding regimes and rice cultivars on weed growth and rice yield were investigated over three seasons. Four weeding regimes [0 (no weeding control), 1, 2, and 3] and three popular rice varieties (NARIC 2, a local cultivar, and NERICA 4), were tested in 4x3 factorial experiment in a...

Author(s): R. Kakeeto, J.  Musinguzi, L. Auma, B. Odogwu and F. Ssekiwoko

Assessment of the allelopathic effects of seeds and seedlings of rotational crops and ryegrass

November 2018

Allelopathic effects were evaluated for a series of rotational crops, namely barley, canola, wheat, lupine, medic, lucerne (alfalfa) and ryegrass in laboratory studies. This followed on a field assessment of these crops to identify inter-species phytotoxic effects. Two different experiments to determine phytotoxicity effects of seed and seedling leachates were conducted under controlled conditions. The first experiment...

Author(s): M. I. Ferreira, C. F. Reinhardt and M. van der Rijst

Characterization of markers linked to resistance motifs against maize lethal necrosis in Tanzanian maize germplasm

October 2018

Among the biological constraints facing maize production in Tanzania is a severe occurrence of maize lethal necrosis disease (MLN) raising an urgent need for application of new approaches. A pool of 22 maize genotypes with promising resistance and susceptibility to MLN infection were evaluated by Amplified fragment length polymorphism (AFLP) DNA fingerprinting analysis to detect genetic variation in the selected lines....

Author(s): Inocent Ritte, Marceline Egnin, Paul Kusolwa, Gregory C. Bernard, Guohao He and Conrad Bonsi  

Agronomic performance of pro vitamin a cassava varieties in three locations in Nigeria

October 2018

In an early yellow root cassava study in 2003 to 2004, we investigated agronomic performance of pro Vitamin A (yellow fleshed) cassava genotypes in three locations in Nigeria (Ibadan, Mokwa, and Onne). Twenty-two clones and three checks were evaluated. A randomized complete block design was used with four replications. Characteristics showing significant differences among genotypes across all locations included...

Author(s): Adetoro, N. A., Ogunbayo, S. A.,  Akinwale, M. O.

Effect of native mycorrhizal fungi inoculants on the growth and phosphorus uptake of tree legumes: Erythryna brucei and Millettia ferruginea

October 2018

The inoculation study was conducted in the greenhouse to investigate the effect of phosphorus (P) concentrations on growth and arbuscular mycorrhizal fungi (AMF) colonization of multipurpose tree legumes Erythrina brucei and Millettia ferruginea. Plant growth parameters (shoot length, dry weight) and P uptake increased significantly after inoculations with AM fungi, Rhizophagus clarus, Rhizophagus intraradices and the...

Author(s): Beyene Dobo  

Survey of Turcicum leaf blight (Exserohilum turcicum) on maize (Zea mays) in major highland and mid-altitudes of maize growing agro-ecologies of Western part of Oromia, Ethiopia

October 2018

Turcicum leaf blight (Exserohilum turcicum) (TLB) is a major disease affecting maize (Zea mays) in western Ethiopia. This study was designed to: assess the incidence and severity of TLB in major highland and mid-altitudes of maize growing agro-ecologies of Western Oromia, map the geographical distribution of the TLB disease in the study area, and evaluate the reaction of maize varieties under production to TLB. From...

Author(s): Tajudin Aliyi, Alemayehu Chala and Netsanet Bacha  

Integrated management of Aspergillus species and aflatoxin production in groundnut (Arachis hypogaea L.) through application of farm yard manure and seed treatments with fungicides and Trichoderma species

September 2018

Groundnut (Arachis hypogaea L.) is an important cash crop in the lowland areas of Ethiopia. However, prevalence of Aspergillus invasions and subsequent aflatoxin contamination compromises the quality of groundnut kernels. This study was conducted to evaluate the effect of farm yard manure (FYM) and seed treatments against Aspergillus species pod colonization and aflatoxin accumulation under field conditions. The...

Author(s): Abdi Mohammed, Alemayehu Chala, Chris Ojiewo, Mashilla Dejene, Chemeda Fininsa, Amare Ayalew, David A. Hoisington, Victor S. Sobolev and Renee S. Arias  

Physiological characterization of NADP-malic enzyme activity under 2,4-D toxicity in an aquatic fern, Azolla pinnata R.Br.

September 2018

This work proposes NADP-ME activity as bio-indices for herbicidal sensitivity in Azolla pinnata R.Br. under 2,4-D toxicity. Azolla fronds were illuminated under saturated photosynthetic flux and bicarbonate induction. There was significant variation in the NADP-ME activity under light and dark conditions. This increased more when varying concentrations of 2,4-D were used for the up regulation of enzyme activity...

Author(s): A. Kumar De, B. Sarkar, I. Saha, A. Ghosh, N. Dey and M. K. Adak  

Effects of seedling age and rates of phosphorus fertilizer on growth and yield performance of onion (Allium cepa L.) under irrigation at Alage, Central Rift Valley of Ethiopia

September 2018

Onion is an important cultivated crop as a condiment as well as a source of income for many farmers in Ethiopia. However, the productivity of the crop is much lower due to different problems. A field experiment was conducted to determine the effect of seedling age and phosphorus rate on growth and yield performance of onion at Alage, Central Rift Valley of Ethiopia, during 2016/2017 season. The treatments comprised...

Author(s): Tilaye Anbes, Walelign Worku and Hussien Mohammed Beshir  

Genotype and genotype by environment interaction and grain yield stability of medium maturity groups of soybean [Glycine max (L.) Merrill] varieties in Western Oromia, Ethiopia

September 2018

The objectives of this study were to identify high yielding and stable medium maturity soybean varieties across environment and examine the influence of genotype × environment interaction (GEI) on grain yield of soybean varieties in western Oromia.  Seven early soybean varieties were evaluated at five locations (Bako, Gute, Billo, Chewaka and Uke) using randomized complete block design (RCBD) with three...

Author(s): Adane Arega, Alemayehu Dabessa, Meseret Tola and Chala Dabala

Comparative study of yield performance and nutrient composition of the edible mushroom Pleurotus pulmonarius, cultivated on different substrates

August 2018

Sawdust from four types of woods (Milicia excelsa, Gmelina arborea, Afzelia africana and Khaya senegalensis) was used for cultivation of Pleurotus pulmonarius. Growth and yield of fruiting bodies were monitored and biological efficiency (BE) determined. Proximate composition of fruiting bodies was determined; total phenol content (TPC) and total flavonoid content (TFC) of the extract from the mushrooms were...

Author(s): Adewoyin A. G. and Ayandele, A. A.  

Evaluation of faba bean (Vicia faba L.) varieties for yield and reaction to chocolate spot disease at Chencha, Southern Ethiopia

August 2018

Field experiment was conducted at Chencha Woreda with the objective of evaluating faba bean varieties for better yield and chocolate spot disease resistance during 2015 main cropping season. Ten improved faba bean varieties and two local controls were evaluated in randomized complete block design (RCBD) with three replications. Field performances of varieties were evaluated for grain yield and yield parameters on...

Author(s): Degife Asefa Zebire and Kiya Adare Tadesse  

Response of common bean (Phaseolus vulgaris L.) varieties to rates of blended NPS fertilizer in Adola district, Southern Ethiopia

August 2018

Common bean is one of the most economically important pulse crops cultivated in Ethiopia. However, its average yield reported at national level remains far below the potential yield to be attained. This is partly due to low soil fertility management, inappropriate agronomic packages and diseases and pest problems. Hence, this experiment was conducted to investigate the effect of blended NPS rates on growth, yield and...

Author(s): Shumi Deresa  

Protocol optimization for in vitro propagation of two Irish potato (Solanum tuberosum L.) varieties through lateral bud culture

August 2018

Potato is a versatile vegetable that is eaten all around the year. The objective of this study was to establish a protocol for in vitro micropropagation of Gudene and Belete popular varieties in Ethiopia from lateral bud explants. For shoot induction and multiplication, lateral bud explants were cultured on MS basal medium supplemented with different concentration levels of PGRS. Rooting was done on the same media type...

Author(s): Genene G., Mekonin W., Meseret C., Manikandan M. and Tigist M.  

Study on suitability of locally available substrates for cultivation of oyster mushroom (Pleurotus ostreatus) in Jimma zone, Oromia regional state, southwestern Ethiopia

August 2018

A mushroom is the fleshy, spore-bearing fruiting body of a fungus, typically produced above the ground on soil. The nutritional value of mushrooms is greater than one may think. Generally, it is a nature's hidden treasures of nutrition. The aim of this study was to access the suitability of available agro wastes of some lignocelluloses materials containing five different types of main substrates namely, sawdust...

Author(s): Takele Shiferaw, Shiferaw Demissie, Anbessa Dabassa and Tokuma  Negisho  

Attenuation effect of plant canopy sizes on microclimate in urban greenspaces within Nairobi City, Kenya

July 2018

Diversity of plant species could have a different influence on urban microclimate and thermal comfort. However, the magnitude of different plant species to ameliorate urban microclimate by cooling the urban microclimate and improving thermal comfort based on their allometric properties at any particular time of the day is unknown for urban environments. This paper presents the result of a study conducted in Kenya to...

Author(s): Matsaba Emmanuel Ochola, Adimo Aggrey Ochieng, Njoroge John Bosco, Wesonga John Mwibanda and Sodoudi Sahar  

Effect of substrate media on growth, yield and nutritional composition of domestically grown oyster mushroom (Pleurotus ostreatus)

July 2018

The effect of substrate (medium) on growth, yield and nutritional composition of domestically-grown oyster mushroom (Pleurotus ostreatus) was investigated. Six different substrates namely sawdust only (SDO), sawdust + corn waste + CaCO3 (SDW), sawdust + rice bran + CaCO3 (SDR), sawdust + banana leaves (SBL), sawdust + cassava peel (SDC) and cassava peel only (CPO) were used.  The substrates were pasteurized with...

Author(s): Onyeka, E. U., Udeogu, E., Umelo, C. and Okehie, M. A.

Biological effect of gamma irradiation on vegetative propagation of Coffea arabica L

June 2018

Coffee is the second most valuable commodity exported by developing countries, and supports the livelihood of more than 75 million people. There are limitations to preference for established cultivars due to the autogamous nature of the crop thereby making improvements via conventional breeding of many years to produce a new cultivar difficult. Mutation breeding can overcome these obstacles. One of the first steps in...

Author(s): Dada K. E., Anagbogu C. F., Forster B. P., Muyiwa A. A., Adenuga O. O., Olaniyi O. O. and Bado S.  

Evaluation of chemical, botanical and cultural management options of termite in Tanqua Abergelle district, Ethiopia

May 2018

The study was carried out to evaluate the effect of botanical, chemical and cultural methods on the management of termite in seedling beds of hot pepper in Tanqua Abergelle district of Sheka Tekli during 2015-2016. The experiment comprised of treatments including Neem Leaf extract, wood ash, Dursban and control and each treatment was applied at 40 kg ha-1, 10000 kg ha-1, and 0.5 L ha-1 respectively. The experiment was...

Author(s): Atsbha Gebreslasie and Hintsa Meressa  

Response of onion (Allium cepa l.) to deficit irrigation under different furrow irrigation water management techniques in Raya Valley, Northern Ethiopia

May 2018

Scarcity of water is the most severe constraint for development of agriculture in arid and semi-arid areas. Under this condition, the need to use the available water economically and efficiently is unquestionable. Based on the actual crop need, irrigation management has to be improved so that the water supply to the crop can be reduced while still achieving high yield. A field experiment was carried out at Mehoni...

Author(s): Yemane Mebrahtu, Abraham Woldemichael and Solomon Habtu  

Comparative effects of newly introduced and adopted chemical N and P fertilizers on wheat growth, yield and yield components

May 2018

Soil fertility decline is one of the prime factors contributing to low productivity of crops and food insecurity in Ethiopia. To alleviate this problem and achieve maximum yield, identifying suitable agronomic inputs such as N and P types in wheat production systems is very important. The aim of this study was therefore, to estimate the effects of different N and P fertilizer types and rates on growth, yield and yield...

Author(s): Tarekegn Yoseph, Tewodros Ayalew, Xinzhu Li, He Jigang and Tingshuai Yan  

Current outlook and future promise of ethnobotany in Nigeria: A review and personal observation

April 2018

This paper reviews the current state and future prospects of ethnobotany in Nigeria. A brief historical background is presented. Books and journals indexed by Scopus and Science Direct were reviewed. Direct search was also made on the official websites of journals specializing in ethnobotany and allied disciplines. The field of ethnobotany manifests in all facets of human activities and relates to cultural and...

Author(s): Erinoso S. M. and Aworinde D. O.  

Comparative study on the effect of bio-slurry and inorganic N-fertilizer on growth and yield of kale (Brassica oleracea L.)

April 2018

Kale is one of the nutritious leafy vegetables with a high nitrogen fertilizer requirement. However, soil fertility is declining progressively due to the imbalanced use of inorganic fertilizer. Discharging bio-slurry as waste will lead to environmental pollution and disposing will also lead to costs because of its large volume. Consequently, replacing chemical fertilizers with bio-slurry can not only achieve efficient...

Author(s): Ashenafi Haile and Tewodros Ayalew

Morphological characteristics of avocado (Persea americana Mill.) in Ghana

April 2018

Avocado (Persea americana Mill.) is an important economic tree crop grown in home gardens and farms all over Ghana. Although there are some studies on diverse aspects of the crop in several parts of the world, not much has been documented about its morphology in Ghana. This study was therefore conducted to describe the morphology of avocado in the Ashanti and Central Regions of Ghana. Using the avocado descriptor as a...

Author(s): Janice D. Abraham, John Abraham and Jemmy F. Takrama

Effect of nitrogen fertilizer treatments on duration of senescense, harvest time and yield in some varieties of cowpea (Vigna unguiculata (L.) Walp)

March 2018

The effects of liquid nitrogen fertilizer (150% N) and benzyl amino purine (BAP 200 ppm) on senescence, yield and nutrients mobilization in two cowpea varieties were investigated in the rainy and dry seasons. The study was conducted in a screen house at the University of Lagos, Nigeria (6°27ʺ1, 3°45ʺ E). The duration of the study was between August 2012 and January 2013. The experimental design used was...

Author(s): Mohammad M. and Mukhtar F. B.  

Heterosis and combining ability analysis of quality protein maize (Zea mays L.) inbred lines adapted to mid-altitude sub-humid agro-ecology of Ethiopia

March 2018

Generation of information on heterosis and combining abilities of newly developed maize inbred lines is necessary for a successful hybrid and synthetic maize varieties development. Accordingly, this study was conducted to estimate the combining ability of QPM inbred lines for grain yield and yield related traits and to determine the magnitudes of standard heterosis for grain yield and yield related traits in line...

Author(s): Dufera Tulu, Bulti Tesso and Girum Azmach  

Genetic variability, correlation and path analysis for quantitative traits of seed yield, and yield components in chickpea (Cicer arietinum L.) at Maichew, Northern Ethiopia

March 2018

Twelve chickpea genotypes were tested to assess variability, heritability, correlations and direct and indirect effects between yield and yield components. Maximum phenotypic and genotypic coefficient of variation was recorded for number of seeds per plant (33.8, 32.4), number of secondary branches per plant (30.3, 29.6), number of pods per plant (25.6, 24.7) and 100 seed weight (23.0, 22.7) respectively . High...

Author(s): Assefa Amare Hagos, Tadesse Desalegn and Tesfay Belay

Upland rice response to fertilizer in three agro-ecological zones of Uganda

March 2018

The yield of upland rice (Oryza spp.) per unit area of production in Uganda is low, partly due to low soil fertility, and use of fertilizer and manure is also low. Trials to establish the response of upland rice to applied nutrients and economically optimal nutrient rates (EOR) were determined at Tororo, Kawanda and Kadesok. The increase in paddy yield was in the range of 91 to 173% with application of 50 to 120 kg N...

Author(s): Kayuki C. Kaizzi, Angella Nansamba, Ruth Kabanyoro, Jimmy Lammo and Harrison Rware  

Two Peziza taxa (Peziza proteana f. proteana (Boud.) Seaver and Peziza proteana f. sparassoides (Boud.) Korf) new to Iraq and bordering countries

February 2018

The present study reports two Peziza taxa (Pezizaceae/Ascomycota) collected from Al-Alam province in Salahadine Governorate, North Central Iraq, namely, Peziza proteana f. proteana and P. proteana f. sparassoides. Both taxa are reported for the first time from Iraq and for the second time from Asia (including countries bordering Iraq). These two forms of P. proteana are very similar microscopically but deviate...

Author(s): Talib O. Al-Khesraji

Farm yield evaluation and demonstration of Melkashola tomato variety in central zone of Tigray Region, Ethiopia

February 2018

Low production and productivity of tomato in the study area is due to limited use of agricultural inputs, particularly improved seeds and fertilizers. The practice of tomato seed production in central zone of Tigray is almost negligible. The demand for vegetable seed is increasing from time to time. Though vegetable seed production is difficult, there are attempts and efforts to produce them at local level....

Author(s): Kassa Melese Ashebre

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