African Journal of
Agricultural Research

  • Abbreviation: Afr. J. Agric. Res.
  • Language: English
  • ISSN: 1991-637X
  • DOI: 10.5897/AJAR
  • Start Year: 2006
  • Published Articles: 6559

Table of Content: 26 October; 6(24)

October 2011

Amomum subulatum Roxb: Traditional, phytochemical and biological activities-An overview

  Amomum subulatum Roxb. (Large Cardamom) is a perennial herbaceous crop, cultivated in swampy places across hills around water streams. It has been a well known spice since time immemorial; used as flavouring agent to various dishes indigenous to the Eastern Himalayan region particularly Nepal, Bhutan, and India. Sikkim State of India is the largest producer of cardamom that is around 50% of the...

Author(s): V. K. Bisht, J. S. Negi, A. K. Bhandari and R. C. Sundriyal

October 2011

Mercury and arsenic accumulation by three species of aquatic plants in Dezful, Iran

  Heavy metals can be absorbed by living organisms, such as aquatic plants or non-living biomass. Aquatic plants can be used for removing heavy metals and nutrients from industrial and municipal wastewaters. This paper investigates the capability of Phragmites australis, Typha latifolia and Scirpus (Bulrush) to uptake arsenic and mercury from industrial wastewater. The accumulation...

Author(s): Alishir Afrous, Mohammad Manshouri⊃, Abdolmajid Liaghat⊃, Ebrahim Pazira⊃ and Hossein Sedghi⊃

October 2011

Phenotypic and genotypic characteristics of indigenous chickens in Ethiopia: A review

  Related research results and facts of indigenous chicken production in and out of Ethiopia were reviewed with the aim of delivering information to the improved production and for the breeding plan of a country. The study revealed that the common production system used was mostly extensive type that is characterized by small flock sizes; it needs no or less inputs and a periodic devastation of the flock by...

Author(s): Mammo Mengesha and Wude Tsega

October 2011

Productivity of maize after strip intercropping with leguminous crops under warm-temperate climate

  Use of legume cover crops has been reported to improve maize productivity through various mechanisms that include improved soil mineral N supply and weed control. However, in the smallholder irrigation farming sector, where maize is the staple crop, strategies for intercropping summer legume cover crops are often a challenge for farmers. Field experiments were conducted in a warm-temperate region of...

Author(s): F. S. Murungu, C. Chiduza and P. Muchaonyerwa

October 2011

Physicochemical properties of mushrooms as affected by modified atmosphere packaging and CaCl2 dipping

  The objective of the present study was to evaluate the effect of modified atmosphere packaging (MAP) in combination with CaCl2 dipping on the shelf-life of common mushrooms (Agaricus bisporus). Mushrooms were packaged under MAP and air atmosphere with and without CaCl2 dipping; then all the samples were stored at 4, 10 and 18°C and their physicochemical properties (weight loss, color and glucose...

Author(s): Mohammadreza Koushki, Sadegh Khoshgozaran Abras, Mehrdad Mohammadi, Zahra Hadian, Niloofar Bagheri Poorfallah, Parvin Sharayei and Amir Mohammad Mortazavian

October 2011

Effect of ontogenic age on root and shoot development of Tabebuia heterophylla cuttings propagated in soilless culture

  A study was conducted to evaluate the root and shoot development in cuttings of Tabebuia heterophyllataken from varying ages of stock plants (1, 6, 18, 36 and 60 months). Cuttings obtained from the mother plants were rooted on perlite in saturated propagation chambers for 60 days. Generations of new roots and their subsequent growth, and the growth of new leaves from the cutting were reduced...

Author(s): Yahya Awang, Ab Kahar Sandrang, Rosli Mohamad and Ahmad Selamat

October 2011

Control of western flower thrips (Frankliniella occidentalis) with Amblyseius swirskii on greenhouse pepper in heated and unheated plastic tunnels in the Mediterranean region of Turkey

  The western flower thrip, Frankliniella occidentalis (Pergande) poses a significant risk to many food and ornamental crops in the Mediterranean region of Turkey. Chemical control has been the primary means used to control the population of F. occidentalis in protected cultivation systems in Turkey. We evaluatedAmblyseius swirskii (Athias-Henriot) on peppers following single releases...

Author(s): Halil Kutuk, Abdurrahman Yigit, Ramazan Canhilal and Mehmet Karacaoglu

October 2011

Determination of the amount of tryptophan from single cell protein (SCP) of the lignocelluloses wastes

  Agricultural wastes are renewable source of energy that can be degraded by the biological treatment methods. The utilization of these wastes in bioprocesses do not only provides alternative substrates, but also helps in solving pollution problems. White rot fungi have been used successfully in the solid state fermentation for ligninolytic enzyme production. Due to the important role of...

Author(s): J. khanifar, H. Ghoorchian, A. R. Ahmadi and R. Hajihosaini

October 2011

Genetic diversity of mushroom mite (Luciaphorus sp.) infesting cultivated mushrooms in the Northeast of Thailand

  A pygmephorid mite, Luciaphorus perniciosus Rack, is widely spread in several commercial mushroom production settings in Thailand.  This mushroom mite was collected from Lentinus squarrosulus (Mont.) Singer compost and basidiocarps from several farms located in 4 different provinces (Maha Sarakham, Kalasin, Roi Et and Ubon Ratchathani) of the Northeast of Thailand. The other specimens...

Author(s): Moukoumbi Y. D., Sie M., Vodouhe R., Bonou W., Toulou B. and Ahanchede A.⊃

October 2011

Genetic diversity of mushroom mite (Luciaphorus sp.) infesting cultivated mushrooms in the Northeast of Thailand

  Weed competition is a major constraint in rice production systems in Africa. This study was conducted at the Africa Rice Experimental Station in Benin in the dry and rainy seasons to screen rice varieties for weed competitiveness. The experimental design was a split plot with 14 contrasting cultivars (including the Oryza glaberrima and Oryza sativa parents of upland New Rice for Africa...

Author(s): Prapassorn Bussaman, Rasana W. Sermswan and Angsuman Chandrapatya

October 2011

Response of foliar application of KNO3 on yield, yield components and lint quality of cotton (Gossypium hirsutum L.)

  Effect of potassium on fiber quality characteristics and nitrogen on vegetative growth tends to be more critical when deficiency is expected in a field. Foliar applications of potassium may be used to supplement soil applications to maximize yields and improve quality of cotton. A cotton variety NIAB-111 was sown at Crop Physiology Research area, University of Agriculture, Faisalabad to check the effect of...

Author(s): Ejaz Ahmad Waraich, R. Ahmad, Raja. G. M. Hur, Ehsanullah, A. Ahmad and  Nasir Mahmood

October 2011

Insecticidal effect of diatomaceous earth against Callosobruchus maculatus (F.) (Coleoptera: Bruchidae) and Sitophilus granarius (L.) (Coleoptera: Curculionidae) under laboratory conditions

  Laboratory experiments were carried out in order to evaluate the insecticidal effect of diatomaceous earth against adults of Callosobruchus maculatus (F) and Sitophilus granarius (L.), two important stored grain pests in darkness (30°C and 65% relative humidity). Wheat and cowpea were treated with the diatomaceous earth formulation Silicosec® (Biofa, Germany), at five...

Author(s): Golnaz Shams, Mohammad Hassan Safaralizadeh and Sohrab Imani

October 2011

The determination of qualities in different whole-plant silages among hybrid maize cultivars

  This study was conducted in order to determine the effects of 12 maize hybrids (Goldeclat, Falkner, Maverik, Tivak 6661, Tivak 678, Bora, Consur, DK 626, Ada 9510, Pioneer 3167, TTM 815, and LG 55) on the nutrient composition (that is, dry matter - DM, crude ash - CA, organic matter - OM, crude protein - CP, ether extract - EE, crude fiber - CF), pH, Fleig point (FP) values, and the mineral contents of maize...

Author(s): Ramazan DEMÄ°REL, Fatih AKDEMÄ°R, Veysel SARUHAN, Dilek ÅžENTÜRK DEMÄ°REL,  Cuma AKINCI and Firat AYDIN

October 2011

The level of resistance to late blight Phytophthora infestans (Mont.) de Bary in tomato breeding genotypes in Serbia

  Late blight (Phytophthora infestans (Mont.) de Bary) was identified as one of the major diseases causing significant economic losses in tomato production. Thus, the development of resistant cultivars and hybrids was included in tomato breeding programs at the Institute for Vegetable Crops, Smederevska Palanka. A line (S-31), Tomato late blight resistance gene Ph-2 carrier, was diallely crossed...

Author(s): Jasmina Zdravkovic, Nenad Pavlovic, Mirjana Mijatovic, Milan Zdravkovic, Sladjan Adzic, Pavlovic Rados and Ljiljana Boškovic-Rakocevic

October 2011

Effects of mycorrhizal symbiosis and different levels of phosphorus on yield, macro and micro elements of Zea mays L. under water stress condition

  Nowadays, Mycorrhizal fungi are widely used due to their symbiosis relation with roots of so many plants. These fungi, by supplying some of plant nutritional and water requirements, have a key role in all ecosystems. In this research the effects of mycorrhizal fungi and different levels of phosphorous chemical fertilizers on yield and nutrient uptake under three levels of irrigation were studied. This...

Author(s): D. Ghorbanian, S. Harutyunyan, D. Mazaheri and F. Rejali

October 2011

Analysis on yield components of elite maize variety Xundan 20 with super high yield potential

  Xundan 20 was released by Hebi Academy of Agricultural Sciences in 2003. The stability, adaptation and yield components of Xundan 20 were analyzed using data from Huanghuaihai national tests in 2001 and 2002 and from high yield trials from 2005 to 2010. The results showed that variety Xundan 20 yielded most and increased significantly than Nongda 108 (Control, CK) in Huanghuaihai national tests in 2001 and...

Author(s): Xiaoxing Wang, Jianzhi Chang, Guiwen Qin, Shoulin Zhang, Xiangwen Cheng and Chaohai Li

October 2011

Fractal dimensions of soil structure and soil anti-erodibility under different land use patterns

  Soil structure fractal features and soil anti-erodibility were studied by the combinative means of field investigation and laboratory analysis under different land use patterns. The results showed that fractal dimensions of mechanical composition were greater than that of micro-aggregates, and fractal dimensions of water-stable aggregates were greater than that of dry aggregates. Five land use patterns...

Author(s): Zi-cheng Zheng, Shu-qin He and Ting-xuan Li

October 2011

Heavy metals In agricultural soils and Irrigation wastewater of Mixquiahuala, Hidalgo, Mexico

  Agricultural soils irrigated with wastewater pose a significant risk in the accumulation of heavy metals, a problem that affects agriculture and human health. An investigation was conducted on the concentration of heavy metals in agricultural soils and wastewater used for irrigation in plots of Mixquiahuala, Hidalgo. It analyzed the potential of hydrogen (pH), electrical conductivity (EC) and total...

Author(s): Héctor Flores-Magdaleno, Oscar Raúl Mancilla-Villa, Enrique Mejía-Saenz, Ma. Del Carmen Olmedo-Bolaños and Ana Laura Bautista-Olivas

October 2011

Effective components on social capital in rural production cooperatives in Koohdasht County of Lorestan Province

  This paper aimed to study the social capital in rural production cooperatives and to analyze factors influencing this capital. The statistical population of the study consisted of 2820 members of 18 rural production cooperatives of Koohdasht County in Lorestan province, 93 of whom were selected using Cochran formula as sample population. In order to increase the accuracy of the data, 100 members were selected...

Author(s): Abdolhasan Torfi, Khalil Kalantari and Yaser Mohammadi

October 2011

The conundrum of conservation agriculture and livelihoods in Southern Africa

  Low crop productivity, food insecurity, hunger and malnutrition; inadequate farming knowledge and skills, implements and inputs are characteristic of smallholder agriculture in Southern Africa. Many researchers argue that conservation agriculture can guarantee higher crop productivity, food security, improved livelihoods and environmental protection, better than the unsustainable traditional systems of slash...

Author(s): Peter Nkala, Nelson Mango, Marc Corbeels, Gert Jan Veldwisch and Jeoroen Huising

October 2011

Effect of salinity and drought stress on germination of fenugreek

  The environmental stress, such as salinity (soil or water) and drought are serious obstacles for horticulture and field crops in further areas of the world, especially arid and semiarid regions. In order to investigate salinity and drought stress on fenugreek germination indices, an experiment was carried out. To create salinity stress, sodium chloride (NaCl) at the levels of 0 (as control), -3, -6...

Author(s): Ali Ghorbanpour, Yaqvob Mami, Mostafa Ashournezhad, Fatemeh Abri and Majid Amani

October 2011

Analysis of some hydrological parameters of the Nasia River Catchment in the Northern Region of Ghana for its socio-economic development

  The Nasia River is the drainage basin of the left bank tributary of the White Volta located in the Northern Region of Ghana. Most years, rivers in the White Volta basin flow only three or four months, causing seasonal deficits across the region. This research therefore studies the hydrology of the Nasia River Basin and the catchment’s conditions so as to determine the potentials for irrigation...

Author(s): Shaibu Abdul-Ganiyu, Nicholas Kyei-Baffour and Vincent D. Gbedzi

October 2011

Features and treatment of non-point source pollution in the Ningxia Yellow River area

  Non-point source pollution of Ningxia Yellow River Irrigation has become increasingly prominent, making it an important factor affecting the water environment. Research on irrigation non-point source pollution and the progress of pollution control in irrigation has profound significance in terms of protecting the ecological security of irrigation. In the current...

Author(s): Yong-zhong Feng, Xiao-jun Xie, Xiao-wei Qin, Gai-he Yang, Yan-chun Cao, and Shi-qi Yang

October 2011

Relationship between plants evening and soil properties in the rangeland, Lar National Park, Iran

  Important factors in rangeland ecosystem suitability are quality and quantity of herbage products.  Negative or positive trend of plants cover in the rangeland is shown by plants evening and plants diversity indexes. In this research, the effects of some soil properties on range evening were studied. In this research to decrease the effects of environment factors on plants evening, three sites consisting...

Author(s): Jamil Amanollahi, Ahmad Makmom Abdullah and Ghasem Ali Dianati Tilaki

October 2011

Determination of earthquake park facilities in Kocaeli

  Earthquake parks are functional parks that meet recreational needs of people in daily life and urgent needs providing temporary shelters in case of a possible earthquake. In this study, earthquake park facilities were tried to be determined for Kocaeli, a densely-populated industrial city by the sea and situated on a first degree seismic zone. For this purpose, 17 big parks, with an area size ranging from...

Author(s): Aysun Çelik and Füsun Erduran