African Journal of
Agricultural Research

  • Abbreviation: Afr. J. Agric. Res.
  • Language: English
  • ISSN: 1991-637X
  • DOI: 10.5897/AJAR
  • Start Year: 2006
  • Published Articles: 6786

Table of Content: 17 January, 2013; 8(2)

January 2013

Pedologists’ approach to agro-technology transfer: Case study of Ikwuano, Abia State, Nigeria

  Soil resource illiteracy and a weak link between agricultural research and farmers are major problems limiting agricultural development in Nigeria. Pedologists provide interpretative soil maps (land capability classification and soil fertility maps) that will enable potential land users to appreciate the advantages and limitations of the soil resource base that is utilized for agricultural production. Such...

Author(s):   Godwin O. Chukwu, Tessy U. Madu, Emilia C. Chinaka and Nkoli H. Anyaegbunam    

January 2013

The short and long run fluctuation effects of Brazilian agricultural exports

  The major objective of this article was to evaluate the impact of the exchange rate and the world income on the Brazilian agricultural export value. The analyzed period was annual quarters from January of 1980 to September of 2011. The chosen period was due to several turbulence and exchange rate regime changes experienced by the Brazilian economy, as well as the world crisis of 2008. Unitary root test,...

Author(s):   Carlos Alberto Gonçalves da Silva and Léo da Rocha Ferreira    

January 2013

Boron affects pollen viability and seed set in sunflowers

  Boron (B) is an essential micronutrient for plant growth and development of sunflower (Helianthus annuus L.). Most sunflowers growing areas in Thailand are in coarse texture soils with low B availability. The objectives of this experiment were (1) to evaluate the response of sunflower to B applications and (2) to determine the optimum B levels for sunflower under field conditions in sandy loam soil. This...

Author(s):   Arporn Krudnak, Sodchol Wonprasaid and Thitiporn Machikowa    

January 2013

High sourgrass threshold interfere on chick-peas development in tropical conditions

  The grains of Cicer arietinum (chick-peas) is one of the richest sources of proteins among worldwide grain crops. However, 100% of chick-peas grains consumed in Brazil are imported. Aiming to contribute with agricultural technologies to yield this crop in Brazil, we studied the interference of sourgrass thresholds at the initial development of chick-peas in tropical conditions. We evaluated the...

Author(s):   Carita Liberato do Amaral, Marcelo Claro de Souza, Guilherme Bacarim Pavan, Marina Alves Gavassi and Pedro Luis da Costa Aguiar Alves  

January 2013

Effects of Faidherbia albida on the fertility of soil in smallholder conservation agriculture systems in eastern and southern Zambia

  This study explored the benefits of Faidherbia albida on soil fertility in farmers’ fields in areas which were suitable for Conservation Agriculture (CA) and where mature stands of F. albida already existed. It investigated the effects of F. albida on soils by testing for differences in the soil reaction (pH), total nitrogen, potassium, phosphorus and organic carbon at...

Author(s):   Bridget B. Umar, Jens. B. Aune and Obed. I. Lungu    

January 2013

Soil properties and tomato agronomic attributes in no-tillage in rotation with cover crops

  Cover crops associated with no-tillage improves soil fertility by the production of mulch on the soil surface. This experiment was conducted in 2008 and 2009 to evaluate the potential of different cover crops grown in rotation with tomato in no-tillage in the soil and agronomic attributes of tomato. The treatments were velvetbeans (Mucuna deeringiana [Bort] Merr.), sunn hemp (Crotalaria junceae L.),...

Author(s):   Roberto Botelho Ferraz Branco, Denizart Bolonhezi, Fernando André Salles, Geraldo Balieiro, Eduardo Suguino, Walter Seiti Minami and Ely Nahas    

January 2013

Effects of container volume and pruning on morpho-functional characters of Salix elaeagnos Scop. under water stress for Mediterranean riparian ecosystems restoration

  Restoration success using nursery grown plants in riparian environments of Mediterranean areas is limited by summer high mortality rate due to severe drought stress. The aim of this work is to develop a morphological / physiological modified plant which could establish itself in low water availability areas. Four morphologic formats of Salix elaeagnos Scop. were tested depending on two factors:...

Author(s):   B. Sagrera, C. Biel and R. Savé    

January 2013

Analysis of histone deacetylase families of Arabidopsis thaliana and Oryza sativa

  Histone deacetylases (HDACs) plays critical roles in the regulation of chromatin structure and gene expression. HDACs are highly conserved in yeast, animals and plants, suggesting a fundamental mechanism in transcriptional regulation. Sequence characterization and phylogenetic relationships reveals the existence of several distinct families. In plants, the genome-wide identification of HDACs has been...

Author(s):   Joseena Mariam Iype, Rashmi Mishra, S. Karthikeyan, S. Babu and K. M. Gothandam    

January 2013

Assessment of the genetic diversity in a germplasm collection of cowpea (Vigna unguiculata (L.) Walp.) using morphological traits

  Cowpea is considered a minor crop with generally low grain yield; nevertheless production area is spread all around the world, mainly in marginal areas with poor soil and limited rainfall. It is a multipurpose crop grown for green pods as vegetable, dry seeds as pulse and green fodder. The aim of this study was to evaluate 48 accessions of cowpea by 24 morphological descriptors in order to identify...

Author(s):   T. Stoilova and G. Pereira  

January 2013

Direct induction of somatic embryogenesis and plant regeneration from cotyledon explants of Myrica rubra Sieb. & Zucc.

  Somatic embryogenesis was induced on woody plant medium (WB) supplemented with Thidiazuran (TDZ) alone or in combination with 2,4-D from mature cotyledon explants of Myrica rubra. All concentrations of TDZ except 1.0 mgL-1 induced somatic embryos and adventitious shoots simultaneously within two months of culture. Addition of 2,4-D in the medium significantly improved induction of somatic embryos....

Author(s):   Syed Asghar, Sayed Jaffar Abbas, Fazli Wahab, Noor Habib Khan, Naseem Ahmad, Ligeng Chen, Xinhua He and Yonghua Qin     

January 2013

High performance liquid chromatography-diode array detector (HPLC-DAD) detection of trans-resveratrol: Evolution during ripening in grape berry skins

  Trans-resveratrol (3, 5, 4' – trihydroxy-trans-stilbene) is a stilbene naturally present in a number of plant families. Berry skins of grape (Vitis vinifera L.), Alicante, Black Malvasia, Nerello and Prunesta cultivars were analyzed at weekly intervals for trans-resveratrol production at five ripening stages during the last five weeks of maturation, from August 26th to September...

Author(s):   Angelo Maria Giuffrè    

January 2013

Screening of elite material against major diseases of safflower under field conditions

  A field experiment with three replications was conducted at the All India Coordinated Research Project (AICRP) on oilseeds at Marathwada Agricultural University (MAU), Parbhani, Maharashtra on the screening of different elite material against major diseases. Significant differences in resistance to all the diseases were found in the elite material tested. Among the 46 elite lines, 21 and 33 elite lines...

Author(s):   S. V. Pawar, Utpal Dey, V. G. Munde, Hulagappa and Anamika Nath