African Journal of
Plant Science

  • Abbreviation: Afr. J. Plant Sci.
  • Language: English
  • ISSN: 1996-0824
  • DOI: 10.5897/AJPS
  • Start Year: 2007
  • Published Articles: 805

AJPS Articles

Determination of planting spacing for improved yield and yield components of Dekoko (Pisum sativum var. abyssinicum) at Raya Valley, Northern Ethiopia

August 2016

Dekoko is a cool-season food legume cultivated in Tigray, Northern Ethiopia. It is highly appreciated by the local people for its taste and high market value. Yields of Dekoko, however, are limited by improper planting spacing. Thus, an experiment was conducted in 2013 and 2014 cropping seasons to determine the appropriate planting spacing of Dekoko that maximizes its productivity under rain fed conditions. Treatments...

Author(s): Berhane Sibhatu, Hayelom Berhe, Gebremeskel Gebrekorkos and Kasaye Abera

Diazotrophic bacteria inoculation associates with acids and nitrogen in corn

August 2016

A successful application of humic acids and diazotrophic bacteria in corn represents a potential that collaborates to break the current energetic consumption paradigm, which is based on unsustainable fossil sources. Thus, this study aimed to quantify the contribution of diazotrophic bacteria in association with humic acids and nitrogen (N) in corn, in an experiment conducted under controlled conditions in a greenhouse....

Author(s): Érica de Oliveira Araújo, Juan Ricardo Rocha, Juliana Guimarães Gerola and Leandro Cecílio Matte

Response of Sesbania (Sesbania sesban L. Merr.) to inoculation with indigenous isolates of Rhizobium strains

July 2016

Nitrogen fixation through legume-rhizobium symbiosis serves as a cost effective, sustainable and eco-friendly source of N to fodder and grain legume crops. However, there is a need to identify effective rhizobial inoculants compatible with a particular legume. An experiment was conducted to evaluate the effectiveness of forty indigenous isolates of Rhizobium strains on Sesbania sesban L. Merr. Each strain was cultured...

Author(s): Endalkachew Wolde-meskel, Elias Dogiso Dagne and Wassie Haile

Evaluation of plant stage dependency of QTLs to homologous and heterologous rust pathogen isolates of barley

July 2016

A disease test at different leaf layers (plant stages) of homologous rust and heterologous rust species were studied. The result from homologous rust species showed that those quantitative trait loci (QTLs) (Rphq2 and Rphq11) which were effective at seedling stage were also effective across all plant stages with gradually decreasing effect as plants grew older. Rphq3 which had consistent effect in all leaf layers...

Author(s): Dido A. A., Freddy Y. K. San and Rients E. Niks

Anatomical characteristics of Nigerian variants of Caladium bicolor (Aiton) Vent. (Araceae)

July 2016

Four Caladium bicolor variants collected from different parts of Nigeria were subjected to anatomical comparison to enhance the taxonomic status of the species. Fresh samples (leaf and petiole) of these variants were fixed in formalin, acetic acid and alcohol (FAA), dehydrated in alcohol series, peeled or sectioned. Peeled specimens were stained with safranin, while sectioned ones were stained with Alcian blue and...

Author(s): Chimezie Ekeke and Ikechukwu O. Agbagwa

Evaluation of advanced bread wheat genotypes for resistance to stem rust and yield stability

June 2016

Stem rust (Puccinia graminis f. sp tritici) poses a major threat to wheat (Triticum aestivum L.) production worldwide. The interaction between wheat and pathogen in presence of favorable environment can cause a complete crop failure. This study was conducted with the objective to identify wheat genotypes with resistance to stem rust with high and stable yield under four environments in Kenya. Forty wheat genotypes were...

Author(s): Hellen Wairimu Gitonga, Pascal P. Okwiri Ojwang, Godwin Kamau Macharia and Peter Njoroge Njau

Effect of salicylic acid (SA) seeds soaking on the NaCl salt stress induced changes in soluble sugar and protein accumulation in organs of two genotypes of okra plants

June 2016

Salt stress is a major challenge in agricultural system. In this study, okra seeds of two genotypes (47-7 and LD 88) were presoaked with 10-2, 10-4, and 10-6 mM salicylic acid and control in distilled water, then the soil was treated with 0, 50, 100, 150 and 200 mM NaCl. The experiment was conducted to study the effect on osmoregulating solutes such as proline, salt stress protein (glycine betaine and proline betaine)...

Author(s): Esan A. M. and Olaiya C. O.

Effects of inorganic fertilizer on growth, yield and quality of Irish potato (Solanum tuberosum L.) grown in synthetic plastic bags

May 2016

A field experiment was carried out with the Irish potato (Solanum tuberosum L.) variety BP1 to determine the effect of inorganic fertilizer (Compound C) on the growth rate, yield and quality of potatoes grown in bags. The experiment was laid out in a randomized complete block design (RCBD) with five treatments replicated four times, giving a total of 20 plots. In each plot, 5 plants were planted to give a total plant...

Author(s): Masimba Rumhungwe, Wisdom Kurangwa, Edmore Masama and Lovejoy Tembo

The correlation between pseudobulb morphogenesis and main biochemical components of Cremastra appendiculata (D. Don) Makino

May 2016

This research investigated pseudobulb morphological development process of Cremastra appendiculata (D. Don) Makino by paraffin section and micro-observation combining morphological observation method, and analyzed correlation between pseudobulb morphogenesis and its part of biochemical compositions to provide clues for revealing the inhibition mechanism of germination of elder pseudobulbs by the newborn one. The results...

Author(s): Xiao-Feng Gao, Xiang Lv, Xiao-Lan Li, Ming-Sheng Zhang, Yan-Qiu Wu and Wang-Zhong Wang

Genotypic variability estimates of agronomic traits in secondary triploid banana ‘Matooke’ (Musa sp., AAA-EA) hybrids

April 2016

Effective selection of hybrids for a trait is based on the extent of variation and heritability. This study examined yield parameters of secondary triploid ‘Matooke’ hybrids and the extent of their genetic diversity based on the traits evaluated. Eleven genotypes, including nine ‘Matooke’ hybrids and two landraces were evaluated for 12 characters in a preliminary yield trial (PYT) over three crop...

Author(s): Reuben Tendo Ssali, Alex Barekye, Henry Buregeya, Rockefeller Erima, Priver Namanya and Jerome Kubiriba

Establishment and optimization of high efficiency embryogenic callus induction system in Dendrobium candidum

April 2016

The wild resource of Dendrobium candidum, a well-known epiphytic orchid, is limited. Plant cell culture technology is a promising alternative for production of high-value secondary metabolites .In this research, factors affecting the induction, maintenance, and multiplication of callus from protocorm-like bodies (PLBs) of D. candidum were systematically studied, and a technical callus inducing system with 100% rate was...

Author(s): Nada Mohammed Reda Refish, Linqing Wang, Chunhua Fu, Xiangping Xu, Wenwen Jin, Maoteng Li, and Longjiang Yu,

Growth responses of two varieties of Heliconia flowers to selected growth media in Port Harcourt, South-South Nigeria

March 2016

Lack of suitable variety as well as appropriate growth medium constitutes major problems to flower production. It is against this backdrop that a pot experiment was carried out in the Department of Crop and Soil Science Demonstration Plot, Faculty of Agriculture, University of Port Harcourt, Nigeria between April and May, 2013 to determine the growth responses of two varieties of Heliconia flowers to selected growth...

Author(s): Omovbude S., Oni O. O. and Azagba E.

A DNA-barcode for Melia volkensii Gürke (Meliaceae) and its phylogenetic relationship with some economically important relatives

March 2016

The study reports the first DNA-barcode and molecular phylogeny of the East African endemic tree species Melia volkensii using the standard two-locus plant barcoding genes (rbcL and matK). The two genes were amplified and the PCR products sequenced. Complete coding sequences were obtained for both genes. The edited and aligned sequences had lengths of 1371 bp for rbcL and 1524 bp for matK. These DNA sequences were...

Author(s): Eliud S. Mulanda, Ryan  M. Awori, Yeremiah Chuhila, Mark O. Adero, Nelson O. Amugune, Elijah Akunda and Jenesio I. Kinyamario

Seed size polymorphism in Khaya senegalensis (Desr.) A. Juss.: Implications for seed propagation

February 2016

Seed size variation has implications for the success of seedling establishment, but the underlying mechanisms are yet to be fully explored in many species, including Khaya senegalensis. Moreover, seed size is measured in different ways (for example, mass or length), but the extent to which these different ways of measurement differ in predicting seedling growth parameters is unknown. In this study, how well seed mass...

Author(s): Hamza Issifu, Benjamin Abonkra, Kwame Ochire-Boadu, Rikiatu Husseini, Damian Tom-Dery, Bernard N. Baatuwie and William J. Asante

Factors affecting in vitro degree of browning and culture establishment of pomegranate

February 2016

The present study was conducted to identify the most suitable types of nodal explants and browning control treatment for in vitro regeneration of pomegranate. Murashige and Skoog (MS) medium containing 1.0 mg/L BAP + 0.5 mg/L NAA was used commonly for all the treatments tested. Result revealed that the intensity of browning was increased with increased position and the length of explants. Minimum browning intensity was...

Author(s): Pushpraj Singh and Patel R. M.

Iphimeis dives (Crysomelidae) Beetle occurrence in beans in western Parana State, Brazil

January 2016

Iphimeis dives (Germar, 1824) is a species of beetle from Chrysomelidae family, commonly found in fruit trees, and it is known as a vine defoliator beetle or Green Beetle. In this study, I. dives occurrence in bean (Phaseolus vulgaris L.) is registered in the cities of Assis Chateaubriand and Palotina, western region of Paraná State. This is the first recorded I. dives attack in Brazil’s bean crops. The...

Author(s): André Luiz Alves, Meirieli Nunes, Antonio Carlos Torres da Costa, José Barbosa Duarte Júnior and Vanda Pietrowski

Effects of soil substrate quantity and sowing method on cocoa (Theobroma cacao L.) seedlings growth in Togo

January 2016

Cocoa is one of the outstanding cash crops in Togo, but the orchards are old and require the rehabilitation trough replanting and good cocoa seedlings. A study was conducted in nursery to investigate the effect of soil quantity and sowing method on cocoa seedlings growth. The treatments were a quantity of depleted bulk soil in two pots (2120 and 1055 cm3) and the cocoa seeds were sown by three methods: Direct sowing in...

Author(s): AyiKoffi ADDEN, Gbénonchi MAWUSSI, Robert Madjoulba BATOCFETOU, Timondjro KOUDJEGA, Komla SANDA and Kouami KOKOU

Rooting and establishment of Limoniastrum monopetalum (L.) Boiss stem-tip cuttings

January 2016

Rooting of Limoniastrum monopetalum stem-tip cuttings and establishment of produced plantlets were investigated in order to facilitate the use of the species in urban and suburban areas, and historical Mediterranean landscapes as an ornamental plant. Cuttings collected in winter or spring rooted at higher percentages than those collected in summer or autumn. Water-ethanol solutions containing 1000 to 3000 mg L-1...

Author(s): Anastasia Akoumianaki-Ioannidou, Aekaterini N. Martini and Maria Papafotiou

Mistletoe presence on five tree species of Samaru area, Nigeria

January 2016

The infestation of trees by mistletoe within Samaru is very high and alarming and there is little or no records on the type of mistletoe species found parasitic on tree species within this area. In order to document and know the species richness of mistletoe within this region, the study was aimed at determining the different species of mistletoe parasitic on Albizzia lebbeck, Citrus grandis, Khaya senegalensis,...

Author(s): Tizhe Tari Dlama, Alonge Samson Oluwagbemileke and Aliyu Ramatu Enehezeyi

Effect of poultry manure treated and untreated with effective microorganisms on growth performance and insect pest infestation on Amaranthus hybridus

January 2016

Poor soil fertility is a major cause of low yield of amaranth in Nigeria. Optimum productivity of the vegetable is also constrained by insect pests that cause reduction in yield and quality. Incorporation of effective microorganisms (EM) into organic matter is capable of positively influencing decomposition and mineralization. The present study assessed the effects of poultry manure treated and untreated with effective...

Author(s): Abiodun Joseph, Benson Oluwafemi Ademiluyi, Patrick Ajibola Aluko and Temitayo Martha Alabeni

Morphological and molecular identification of Pythium spp. isolated from common beans (Phaseolus vulgaris) infected with root rot disease

January 2016

Common beans (Phaseolus vulgaris L.) is the main leguminous crop grown primarily by small-holder farmers in the East and South African countries. Pythium root rot disease is the major production constraints which results in yield losses of 70% to most commercial bean cultivars in eastern Africa. Study focused on ascertaining preliminary information on bean cultivation practices in Tanzania, morphological and molecular...

Author(s): Papias H. Binagwa, Conrad K. Bonsi, Susan N. Msolla and Inocent I. Ritte

Re-evaluating TiCl4 and UV assays for detection of vicine and convicine in high-throughput screening of immature and mature seeds of faba bean

December 2015

Genomic resources have just started to focus on the faba bean; the genes for synthesis of vicine and convicine (V-C) have not been determined, and recently developed genetic markers for these anti-nutritionals have not been used to examine these traits in very large scale in faba bean. Simple, rapid and cost-effective technologies are crucial in crop breeding programs, especially in the developing world, and in some...

Author(s): Yurdagul Ferhatoglu and Albert Vandenberg

Cytotoxicity study on Maerua pseudopetalosa (Glig and Bened.) De Wolf tuber fractions

December 2015

Ethyl acetate and ethanol extracts of the tuber parts of Maerua pseudopetalosa were subjected to further separation by column chromatography technique and eight fractions were obtained for the former and twelve for the latter one. The brine shrimp lethality assay was used for assessment of the toxicity. Remarkable cytotoxicity against brine shrimp larvae was shown, for the first time, by the ethanol extract. The...

Author(s): Manal A. Ibrahim and El Bushra E. El Nur

Participatory variety selection of okra (Abelmoschus esculentus L.) genotypes for adaptation to the semi-arid agro-ecology of Northern Ghana

December 2015

In a two-year study, participatory variety selection (PVS) was employed to evaluate the performance of 19 okra (Abelmoschus esculentus L.) c. v. Moench genotypes in a semi-arid agro-ecology in northern Ghana. The PVS sessions were organized at 65, 80 and 95 days after planting for 272 farmers to select the most preferred genotypes base on plant growth, maturity period and yield components. Results of this study indicate...

Author(s): Sugri I., Abdulai M. S., Larbi A., Hoeschle-Zeledon I., Kusi F. and Agyare R. Y.

Morpho-anatomical characters of Zehneria capillacea (Schumach) C. Jeffrey and Zehneria scabra (L.F.) Sond Cucurbitaceae

December 2015

Comparative studies on macro-morphology, foliar epidermis, stem and petiole anatomy of two indigenous wild cucurbits (Zehneria capillacea and Zehneria scabra) in Nigeria were carried out in order to improve the delimitation of the species based on these parameters. The morphological features of significance observed include variations in leaf and stem pubescence density, leaf shape, fruit shape and color, flower color,...

Author(s): Josephine Agogbua, Chimezie Ekeke and Bosa Ebenezer Okoli

Influence of herbivorous insects on the production of Lagenaria siceraria (Molina) Standley (Cucurbitaceae)

November 2015

The production of indigenous cucurbits remains very low in tropical zones, mainly due to herbivorous insect damage. This study was conducted in Manfla located in the centre of Côte d’Ivoire at 400 km from Abidjan to evaluate the impact of herbivorous insects on foliar damage and agronomic parameters of Lagenaria siceraria (Molina) Standley (Cucurbitaceae). Our study revealed that nine insect species...

Author(s): Gnigouan Kadio G. R. Anzara, Kouamé K. Koffi, Sifolo S. Coulibaly, Bi Nandy D. Fouha, Jean-Pierre Baudoin, Claudine Campa and Bi Irié A. Zoro  

Environmental factors affecting growth and development of Banlangen (Radix Isatidis) in China

November 2015

Banlangen (Radix Isatidis) is an herbal medicine, and grows in various parts of China. It can be classified into North Radix Isatidis and South Radix Isatidis. With the rising demand of users all over the world, more and more popularly used herbal plants are now grown in agricultural fields. The natural force of supply and demand has encouraged the cultivation of Banlangen in China. However, the cultivation of Banlangen...

Author(s): Gang Chen, Suping Wang, Xiang Huang, Juan Hong, Lei Du, Lihong Zhang and Lixia Ye

Poultry litter management in Lagos and effects of its soil application on the growth of okra (Abelmoschus esculentus)

November 2015

Poultry litter constitutes one of the animal wastes that are produced in large quantity. Information on the quantity generated may enhance planning for its utilisation. Quantification of poultry litter (PL) generated and its utilisation is rare in Nigeria. This study was designed to investigate PL management in Lagos, Nigeria and possible utilisation potential. Questionnaires were distributed to poultry farmers in Lagos...

Author(s): Mary B. Ogundiran, Ewesumbo F. Ademola and Sifau A. Adejumo

Planting date and cultivar effects on growth and yield performance of cowpea (Vigna unguiculata (L.) Walp)

November 2015

Genotype by environment interaction results in significant differences in the performance of cultivars when tested in diverse environments. Nine improved cowpea (Vigna unguiculata (L.) Walp) cultivars obtained from International Institute of Tropical Agriculture (IITA), Ibadan, Nigeria and a local check were evaluated for growth, reproductive and grain yield components in a non-traditional cowpea growing region of south...

Author(s): I. E. Ezeaku, B. N. Mbah and K. P. Baiyeri

Antimicrobial and antioxidant activities of extracts from medicinal plant ginger (Zingiber officinale) and identification of components by gas chromatography

October 2015

The present study was conducted to investigate antioxidant and antimicrobial activities of Zingiber officinale, and detected possible chemicals existence in the plant. Phytochemical screening was carried out using the standard test methods of different chemical groups. Investigating the antioxidant activity, one complementary test method namely 2,2-diphenyl-1-picrylhydrazyl (DPPH) free radical scavenging assay was...

Author(s): Dara Muhammed Aziz, Mohammed Ahmad Wsoo and Bnar Mahmud Ibrahim

Morphological characteristic variation of eleven provenances of Moringa oleifera seedlings grown in the Northern Sudanese area of Burkina Faso

October 2015

This research investigated the morphological characteristic variation among West African provenances of Moringa oleifera in order to select the most suitable provenance for planting in Burkina Faso. A provenance experiment involving seven provenances from Burkina Faso, one from Mali, one Ivory Coast and one from Ghana was established in June 2014 in a randomized complete block design with three replications at...

Author(s): Madjelia Cangre Ebou DAO and Kadidiatou HEMA KABORE

Comparative pathogenicity studies of the Xanthomonas vasicola species on maize, sugarcane and banana

September 2015

Previous biochemical and molecular sequence analyses of Xanthomonas campestris pathovar musacearum, the etiological agent of banana Xanthomonas wilt, suggest that it belongs within the species Xanthomonas vasicola (X. vasicola pv. vasculorum and X. vasicola pathovar holcicola. However, the X. vasicola pathovar names were considered invalid according to pathovar naming standards and placed as one X. vasicola species;...

Author(s): G. Karamura, Julian Smith, David Studholme, Jerome Kubiriba, and E. Karamura

Soya bean glycine max (l.) Merr. genetic resources in Tanzania, 1905-2013

September 2015

Soya beans, first grown in what is now Tanzania early in the twentieth century, have always been a minor crop in area planted and total production.  German East Africa introductions before 1918 were from Japan, China and Rhodesia.  Introductions by the British Trusteeship of Tanganyika in 1938 and 1939 were from India, South Africa, the USA and the Far East.  Hernon 237 was introduced in 1950 to replace...

Author(s): R. Trevor Wilson

Rizobacteria in the control of pest insects in agriculture

September 2015

Biological control of pest insects in agriculture is the focus of many studies, because of the risks in the continuous use of synthetic insecticides, which can cause resistant pests or the occurrence of secondary pests. The use of microorganisms like endophytic bacteria has been performed separately or combined with other forms of control in the Integrated Pest Management. Endophytic bacteria live inside host plants,...

Author(s): Erica de Oliveira Araujo

Characterization of fructans from Agave durangensis

September 2015

Agave plants are members of the Agavaceae family and utilize crassulacean acid metabolism (CAM) for CO2 fixation. Fructans are the main photosynthetic products produced by Agave plants, and are their principal source of storage carbohydrates. The aim of this work was to determine the chemical and molecular characterization of fructans from Agave durangensis. Fructans were extracted from 10 year old A. durangensis...

Author(s): Alma D. Orozco-Cortes, Gerardo Alvarez-Manilla, Gerardo Gutierrez-Sanchez, Olga M. Rutiaga-Quinones, Javier Lopez-Miranda and Nicolas O. Soto-Cruz

A method to use very small size potato (Solanum tuberosum L.) tubers as seed

September 2015

Potato, being a vegetatively propagated crop, tubers of 30-60 g size is used as seed. Whereas, < 20 g size potato tubers are left in the soil itself after harvesting, as they are not suitable either for consumption or seed purpose. Seed pelleting technique is used to increase the tuber size and provide additional nutrient support. Two cultivars of potato (Solanum tuberosum L.) with five different treatments...

Author(s): G. Ravichandran, E. P. Venkatasalam, R. Muthuraj and K. Manorama

Management of plant parasitic nematodes with fulan in mechanized yam production

September 2015

The potential of Fulan (2,5-dimethoxytetrahydrofuran), a synthetic nematicide applied at 10 g /stand and two plant bed types; ridging and mounding to manage plant parasitic nematodes and increase the yield of yam was investigated at Ejura during 2011 and 2012 at three levels of N-P205-K50 (NPK). The factorial experiment was mounted on randomized complete block design and replicated three times. Ridged bed type + the...

Author(s): K. Osei, S. A. Ennin, Y. Danso, E. Owusu Danquah and J. Adomako

Crude protein electrophoresis of Ludwigia (L.) species in Nigeria and its taxonomic implications

September 2015

Leaves of nine species of Ludwigia were collected from Southwestern Nigeria and the crude proteins were extracted and analysed by electrophoretic fractionation. The results shows that Ludwigia octovalvis var linearis, Ludwigia octovalvis var brevisepala, Ludwigia hyssopifolia and Ludwigia abyssinica are more closely related based on the position of protein bands. Also, Ludwigia decurrens A and Ludwigia adscendens subsp....

Author(s): A. E. Folorunso and K. F. Adelalu

Comparative response of catechin levels in drought tolerant and drought susceptible tea clones (Camellia sinensis) (L) O. Kuntze under different moisture regimes

August 2015

In tea (Camellia sinensis) water stress generally affects the content of various plant secondary metabolites including catechins. The objective of the study was to evaluate the effects of different soil moisture content on the catechin levels of various tea clones. We found out that variation of soil water content and accumulation of catechins were strongly correlated. The experiment was conducted in an open field with...

Author(s): Langat, Charles, Gathaara, Moses Hungu and Cheruiyot, Richard

Genetic variability studies of Valencia groundnut varieties for late leaf spot (Phaeoisariopsis personata) resistance

August 2015

The study was initiated to determine the genetic variability of late leaf spot (LLS) resistance among segregating generations of Valencia groundnut varieties. Crosses were made between NuMex-M3 × ICGV-SM 02501, Valencia C × ICGV-SM 02501, Redbeauty × ICGV-SM 03590 and Valencia C × SGV-07009 parental lines and the resulting generations (F1, F2, BC1P1 and BC1P2,), along with parents for each cross,...

Author(s): Wambi, Pinehas Tukamuhabwa, Sivananda Varma Tirumalaraju, David Kalule Okello, Carl Michael Deom, Boris E. Bravo-Ureta and Naveen Puppala 

Vital role of herbal medicines in women’s health: A perspective review

August 2015

This is a perspective review of medicinal plants useful traditionally for women's healthcare in countries like India. Medicinal plants have a significant role in women's healthcare in many rural areas. Plants with therapeutic efficacious observations have historically been used as a starting point in the development of new drugs, and modern pharmaceuticals have been derived from them. A review about the...

Author(s): R. Ramasubramania Raja

Assessment of chemical compositions of three antimalarial plants from Akure, Southwestern Nigeria: A preliminary study

August 2015

Malaria has been a menace to the health conditions of both rural and urban populations in Nigeria. Ethnobotanical survey revealed the use of Anthocleista djalonensis A. Chev, Lophira alata Banks ex C.F. Gaertn. and Olax subscorpioidea Oliv. in the treatment of malaria in Akure, Southwestern Nigeria. The powdered plant samples were screened for phytochemical constituents, proximate composition and mineral elements...

Author(s): Mojirayo Rebecca IBUKUNOLUWA, Titus Adeniyi OLUSI and Ebenezer Oluyemi DADA

Effects of different hormones on organogenesis in vitro of some varieties of cassava (Manihot esculenta CRANTZ) grown in Senegal

August 2015

Cassava (Manihot esculenta) is a perennial euphorbiaceous shrub grown mainly for its starchy tubers and its leaves rich in protein. The most known method of propagation of this crop is the classical cuttings’ planting. However, in vitro propagation appears most useful and permits to obtain high quantity of healthy vegetable material in a short period. In this work, it was to study the impact of different hormones...

Author(s): Abdoulaye FAYE, Maurice SAGNA, Papa Demba KANE and Djibril SANE

Assessing the genetic diversity of cowpea [Vigna unguiculata (L.) Walp.] accessions from Sudan using simple sequence repeat (SSR) markers

July 2015

Genetic diversity and phylogenetic relationships among 252 cowpea (Vigna unguiculata (L.)Walp) accessions collected throughout the six geographical regions of Sudan were evaluated using simple sequence repeat (SSR) molecular markers. Eighteen (18) published primer pairs were selected based on their informativeness, out of which 16 primer pairs gave reproducible results among all of the cowpea accessions tested. A total...

Author(s): Ali Z. B., YAO K. N., Odeny D. A., Kyalo M., Skilton R. and Eltahir I. M.

Phytochemical evaluation of various parts of Dracaena arborea Link. and Dracaena mannii Bak.

July 2015

Phytochemical evaluation of leaves, stems and roots of Dracaena arborea (Link) and Dracaena mannii (Bak) present in southeastern Nigeria was carried out, to determine their taxonomical data with regards to their phytochemicals contents (flavonoid, saponin, tannin, cyanide, lectin, phytate and calcium oxalate) using standard methods. The results show varying quantities of the phytochemicals in the leaves, stems and roots...

Author(s): Chinyere V. Ilodibia, Rachael U. Ugwu, C. U. Okeke, Ebele E. Akachukwu and Chinelo A. Ezeabara

Adverse impact of Banana Xanthomonas Wilt on farmers’ livelihoods in Eastern and Central Africa

July 2015

Banana is a key crop in the livelihoods of many people in the Great Lakes region of East and Central Africa. For more than a decade now, the crop has been threatened by Banana Xanthomonas Wilt (BXW) which has spread throughout the region but at different rates. The disease attacks all banana cultivars and can cause up to 100% yield losses at farm level if effective control measures are not put in place. However, limited...

Author(s): Jackson Nkuba, William Tinzaara, Gertrude Night, Nicholas Niko, Wellington Jogo, Innocent Ndyetabula, Leornard Mukandala, Privat Ndayihazamaso, Celestin Niyongere, Svetlana Gaidashova, Ivan Rwomushana, Fina Opio and Eldad Karamura

Functional analysis of the UDP glucose: Flavonoid-3-Oglucosyltransferase (UFGT) promoter from litchi (Litchi chinesis Sonn.) and transient expression in onions (Allium cepa Linn.)

June 2015

The expression of the UDP glucose: flavonoid-3-Oglucosyltransferase (UFGT), which encoded the last enzyme of the anthocyanin pathway, was under developmental control as well as affected by external stimuli such as ABA. Three fragments of the 1.38 kb upstream region of the UFGT gene from Litchi (Litchi chinesis Sonn.) were fused to the GUS-coding region, and the expression of these constructs was analyzed in onions. To...

Author(s): Zhao Zhi Chang, Hu Gui Bing, Hu Fu Chu, Gao Aiping and Chen Yeyuan

Differential response of early and intermediate flowering strawberry cultivars to nursery late-season nitrogen applications and digging date

June 2015

The response of ‘Ventana’, an early flowering cultivar, and ‘Camarosa’, an intermediate flowering cultivar, to nursery late-season nitrogen (N) applications and digging date were studied in strawberry (Fragaria x ananassa Duch). Two experiments were conducted. In the first experiment, runner plants dug on September 20 and October 11 from a high-latitude nursery in California, were established in...

Author(s): Daniel S. Kirschbaum, Kirk D. Larson, Steven A. Weinbaum and Theodore M. DeJong

Effect of sunflower stover and nutrients management on soil biological properties and available nitrogen and phosphorus at different stage of pigeonpea growth under pigeonpea-sunflower cropping system

June 2015

A fixed plot field experiment was carried out during 2008-09 and 2009-10 at New Delhi, India to study the “effects of sunflower stover, nitrogen and phosphorus management on soil health under pigeonpea-sunflower cropping system’’. Kharif season experiment in the first year was laid out in split-plot design, assigning sunflower stover incorporation (8 t/ha) and no stover incorporation (control) to main...

Author(s): Subhash Babu, D. S. Rana, G. S. Yadav, Raghavendra Singh and Tirtha Kumari Chettri

Filing considerably breaks seed dormancy of Berchemia discolour Hemsley

June 2015

In this study, the effectiveness of different pre-treatment methods for the breakings of seed dormancy in Berchemia discolour Hemsley seeds was assessed. Viable seeds were randomly sampled and subjected to different pre-treatment methods which include filing, soaking in 98% concentrated sulphuric acid, pre-chilling and boiling. For each treatment, ten seeds were used and three replications were done for each treatment....

Author(s): Jephris Gere, Rangarirayi Karidzangundi, Victor Ntuli, Tendayi Nyamugure, Silas M. Mudyiwa and Alfred Kundhlande

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