African Journal of
Agricultural Research

  • Abbreviation: Afr. J. Agric. Res.
  • Language: English
  • ISSN: 1991-637X
  • DOI: 10.5897/AJAR
  • Start Year: 2006
  • Published Articles: 6728

AJAR Articles

Effects of extracts of Oxalis barrelieri L. and Cymbopogon citratus stapf, coupled with NaCl sorting on; seed health, germination and seedlings vigor of rice (Oryzae sativa L).

January 2018

The extracts of Oxalis barrelieri and Cymbopogon citratus were tested for their antifungal activity against Bipolaris oryzae and Fusarium moniliforme, and use as seed treatment coupled with NaCl treatment to improve the seed germination and the seedlings vigor of treated rice seeds. The significance of the inhibitory activity of the plant extracts against B. oryzae and F moniliforme was type of extract and concentration...

Author(s): Fouelefack François Romain, Nguefack Julienne, Dongmo Lekagne Joseph Blaise, Dongmo Nanfack Albert, Azah Udom Rene and Nkengfack Augustin Ephrem

Tree species’ growth in a silvipastoral system in Amazon

January 2018

This research aimed to evaluate the dendrometric development of four tree species (Carapa guianensis Aubl. (Meliaceae); Dipteryx odorata (Aubl.) Willd (Fabaceae), Swietenia macrophylla King (Meliaceae) and Handroanthus chrysotrichus (Mart ex A. DC.) Mattos (Bignoniaceae)) in a silvopastoral system in Santarém, Pará, Brazil. Productive activities in the forest sector create a demand for technical capacity...

Author(s): E. C. Silva, J. R. V. Gama, R. Rode and A. L. M. Coelho

Use of alternative substrates in production of tomato seedlings

January 2018

Tomato is one of the most produced vegetables in the whole Brazilian territory, also presenting great income to the family producer. The use of organic or alternative substrates has grown, since its acquisition by the producer is easy. Aiming at these factors, the objective of this work was to evaluate the production of three cultivars, Santa Clara, Santa Cruz Kada Gigante and Santa Adélia tomatoes in seven types...

Author(s): Hiago Felipe Lopes de Farias, Fernando Ribeiro Teles de Camargo, Isneider Luiz Silva, Sueli Martins de Freitas Alves, Caroline Xavier dos Santos and Elaine de Fátima Miranda Freitas

Physiological quality of bean genotypes seeds peanut and xamego treated with fungicides and insecticides

January 2018

Bean is one of the most important crops because it is a staple food. In order to control diseases and pests, the use of fungicides and insecticides in the seed treatment are efficient methods. In this sense, the aim of this study was to evaluate the effect of fungicides and insecticides on physiological quality of bean seeds. The experiment was conducted in a laboratory and greenhouse, and seeds of two genotypes of...

Author(s): Khétrin Silva Maciel, Paula Aparecida Muniz de Lima, Fernando Zanotti Madalon, Simone de Paiva Caetano Bucker Moraes, Vinícius Agnolette Capelini, Caroline Merlo Meneghelli, José Guilherme Bergamim Mellere, Patrícia Alvarez Cabanez, Rodrigo Sobreira Alexandre and José Carlos Lopes

No-tillage effect on carbon and microbiological attributes in corn grown in Manaus-AM, Brazil

January 2018

The soil is the most important carbon reservoir, but agricultural practices involved in tillage systems decrease the soil carbon stock. This study aims to evaluate the effect of no-tillage (NT) on carbon and microbiological attributes of the soil in corn plantations in Manaus-AM, Brazil. Soil was sampled in a secondary forest (SF) and in corn grown under different tillage systems, including conventional tillage (CT),...

Author(s): Aleksander Westphal Muniz, Ronielly Hadna da Silva Nunes, Telma Andréa Carvalho Silva, Enilson Luiz Saccol de Sá, Cláudia Majolo, Ana Beatriz Fiuza and José Renato Pereira Cavallazzi

Animal feeds legislation: Chicken value chain actors practices and predicaments in Uganda

January 2018

This study was conducted to assess the effects of absence of a legal framework regulating the animal feeds industry on poultry value chain actor performance and sustainability. The objectives of the study were to identify the key constraints faced by individual farmers, livestock feed manufacturers, and field veterinary personnel; and assess challenges cutting across the industry actors. Data used in the study were...

Author(s): Nanyeenya W. N., Kabirizi J., Taabu L., Kasadha M. and Omaria R.

Effects of water hyacinth (Eichhornia crassipes) on the physicochemical properties of fishpond water and growth of African catfish

January 2018

Water hyacinth (Eichhornia crassipes) is an aquatic plant that has the capacity to absorb nutrients, making it a potential alternative for the management of fishpond water. The effect of this plant on the physicochemical properties of fish pond water and on the growth of African catfish was investigated in this study. Four plastic ponds 2.0×2.0×1.2 m deep were used for the study. Fifteen percent of the...

Author(s): Emmanuel A. Echiegu, Lillian I. Ezeugwu and Samson N. Ugwu

Yield and quality performance of some peach varieties grown under Sanliurfa ecological conditions

January 2018

Peach has a wide range of adaptation to tropical, subtropical and temperate climatic zones around the world, hence is spreading as a fruit species. This study was done in a semiarid climate in Sanliurfa. The phenological, pomological and yield characteristics of 11 peach cultivars (Maycrest, Springcrest, Earlyred, Cardinal, Redhaven, Glohaven, Dixired, Cresthaven, Maria Marta, Elegant Lady and Monroe), were determined....

Author(s): Ali Ä°kinci and Ä°brahim Bolat

Effects of growth media on rooting of stem cuttings of hybrid coffee varieties

January 2018

The objective of this study was to evaluate the effect of different growth media on rooting of stem cuttings of hybrid coffee varieties. The experiment was conducted on-station under a shade house at Tanzania Coffee Research Institute (TaCRI) from October 2013 to February 2014 using a split plot experiment in a Randomized Complete Block Design (RCBD) with four replications. The main factor consisted of five hybrid...

Author(s): Jeremiah M. Magesa, Theodosy J. Msogoya and Cornel L. Rweyemamu

Performance of maize hybrids under different tillage methods and nitrogen levels

January 2018

A field experiment was conducted at the National Maize Research Program (NMRP), Chitwan, Nepal during summer of 2014 to evaluate the response of tillage methods (conventional and zero tillage) and nitrogen levels (0, 60, 120 and 180 kg ha-1) on grain yield of two maize (Zea mays L.) hybrids (Rampur hybrid-2 and RML32/RML17). The experiment was laid out in strip-split plot design consisting of sixteen treatments with...

Author(s): Roshani Sharma, Komal Bahadur Basnet, Santosh Marahattha and Tika Bahadur Karki

Response of garlic (Allium sativum L.) to vermicompost and mineral N fertilizer application at Haramaya, Eastern Ethiopia

January 2018

Garlic (Allium sativum L.) is an important vegetable crop in Ethiopia. The yield of the crop is often constrained by low and unbalanced nutrient supply in the soil. This study was undertaken to assess response of garlic variety Chelenko I to vermicompost and mineral N fertilizer application on growth and bulb yield of the crop during the 2016/2017 main rainy season. The treatment consists of a factorial combination of...

Author(s): Fikru Tamiru Kenea and Fikreyohannes Gedamu

Review on prevalence of bovine trypanosomosis in Ethiopia

January 2018

Ethiopia is one of African country with nine regions and two city administration of which five regions were infected with more than one species of tsetse flies. Known species in Ethiopia are five in number namely Glossina pallidipes, G .morsitans, G. fuscipes, G. tachinoides and G. longipennis. Most tsetse transmission is cyclic and begins when blood from a trypanosome-infected animal is ingested by the fly. The...

Author(s): Semayat Oyda and Maireg Hailu

Application of ethanolic extract of propolis typified in nutrition and vegetative growth of beans

January 2018

There is little information about the effects of the ethanolic extract of propolis (EEP) in common bean. The aim of this study was to investigate the effects of foliar spray of ethanol extract of propolis (EEP) on vegetative growth, water loss and yield of black type common bean. The experiment was conducted at Farm Dona Isabina from February to May 2012. The experimental design was a randomized block with five...

Author(s): Cassiano Spanziani Pereira, Rodrigo Pereira de Assis, Idelfonsa Benitez Zanato and Camila Bastos Ribeiro and Everton Vinicius Zambiazzi

Response of bread wheat to integrated application of vermicompost and NPK fertilizers

January 2018

A greenhouse pot experiment was conducted to determine effects of vermicompost, inorganic fertilizers and their combinations on nutrient uptake, yield and yield components of wheat. A factorial combination four levels (0, 2, 4 and 6 tha-1) of vermicompost and four levels (0, 33.33, 66.67 and 100% ha-1) of the recommended NPK fertilizers was laid out in RCB design with three replications. Bread wheat variety, Kekaba was...

Author(s): Molla Hadis, Gashaw Meteke and Wassie Haile

Sowing seasons × maturity groups on quantitative traits in soybean

January 2018

The world economic importance of soybean (Glycine max (L).) crop is consolidated, and tests to verify the best sowing season for yield gain of cultivars are demanded. The aim of this study is to analyze the effect of sowing season on soybean cultivars of different maturity groups, since the determination of the optimum time for planting soybeans and the cultivar most suited to the region under study can increase yield...

Author(s): Carla Michelle da Silva, Fábio Mielezrski, Daniela Vieira Chaves, Edivania de Araújo Lima, José Hamilton da Costa Filho and Antônio Veimar da Silva

Potassium forms of soils under enset farming systems and their relationships with some soil selected physico-chemical properties in Sidama zone, Southern Ethiopia

December 2017

Soil potassium is classified as unavailable, readily available and slowly available (fixed) K forms. A research was conducted to determine the distribution of forms of K (water soluble K, exchangeable K, non-exchangeable K and total K) and their relation with some soil properties under enset farming systems of Sidama zone in South Ethiopia. The soils were collected from ‘Qola’ (dry, hot tropical climate and...

Author(s): Kibreselassie Daniel Auge, Tekalign Mamo Assefa, Wassie Haile Woldeyohannes and Bizuayehu Tesfaye Asfaw

Efficacy of the association of cover crops with maize and direct sowing short-term effect on crops’ yields in maize-cotton cropping system in Western Burkina Faso

December 2017

To improve the productivity and sustainability of cotton and cereals based system, direct sowing under mulch was tested for its efficacy on cotton and maize yields on the research station of Farako-Bâ, in Western Burkina Faso. The experimental design was a complete randomized blocks of Fisher with four replications. Conventional tillage by annual moldboard plowing (T7) was compared with direct sowing under...

Author(s): Bazoumana Koulibaly, Adama Ouattara, Déhou Dakuo, Korodjouma Ouattara, Ouola Traoré, José Geraldo Di Stefano and François Lompo

Effects of long-term positioning of straw returning on the quality and yield of summer maize

December 2017

The aim of the work is to study the effects of different treatments: control, single application of organic manure, two seasons straw returning, a quarter of straw returning combined with nitrogen fertilizer, two seasons straw returning combined with nitrogen fertilizer on the quality index and yield of summer maize; protein, starch, fat content and the amino acid were analyzed using cluster analysis. The results showed...

Author(s): Jingpei Chen, Shutang Liu and Wen Jiang

Phenotypic variability and association of traits among yield and yield-related traits in Castor (Ricinus communis L.) accessions at Melkassa, Central Rift Valley of Ethiopia

December 2017

A field experiment was conducted to study the genetic variability and association of characters among yield and yield-related traits in castor accessions at Melkassa, central rift valley of Ethiopia during the off season of the 2013/2014. A total of 48 castor accessions were evaluated by using randomized complete block design with three replications. Analysis of variance revealed that there was highly significant...

Author(s): Destaw Mullualem, Getinet Alemaw, Yohannes Petros and Shiferaw Alemu

Effects of Schinus terebinthifolius extracts on the control of Sitophilus species in stored wheat grains

December 2017

The objective of this study is to evaluate the efficacy of Schinus terebinthifolius extract in controlling the insects of stored wheat. The experimental design was completely randomized with 10 replicates in a factorial scheme of 4 × 9, for extracts (control, aqueous extract, and hydro alcoholic extract of 5 and 15% of Brazilian pepper tree) and nine dates of evaluation (3, 6, 9, 16, 23, 30, 37, 44 and 51 days)...

Author(s): Patrícia Carine Hüller Goergen, Cleusa Adriane Menegassi Bianchi Krüger, Vidica Bianchi, Isledi William da Silva, Ilaine Teresinha Seibel Gehrke, Jéssyca Banderia Corrêa and José Antonio Gonzalez da Silva

Determinants of smallholder farmers’ awareness of agricultural extension devolution in Kenya

December 2017

The devolved governance structure in Kenya places the provision of agricultural sector services such as extension at the local units. However, farmers’ awareness on this aspect and where services are available remains limited and often, there is confusion. In order to provide clarity and enhance the understanding of extension service delivery, this study sought to characterize farmers’ awareness of...

Author(s): Irene Teresia Muatha, David Jakinda Otieno and Rose Adhiambo Nyikal

Comparison of GGE biplot and AMMI analysis of multi-environment trial (MET) data to assess adaptability and stability of rice genotypes

December 2017

Genotype × Environment (G×E) interaction and stability performance were investigated on paddy yield of eighteen rice genotypes and twelve locations using two well renowned statistical models; genotype main effect and G×E Biplot analysis (GGE) and additive main effects and multiplicative interaction (AMMI) analysis. The aim of this study was to elucidate the performance of some advance rice...

Author(s): Zulqarnain Haider, Muhammad Akhter, Abid Mahmood and Rana Ahsan Raza Khan

Physico-chemical characterization of prickly pear (Opunicia Ficus indica) in the semi-arid region of Bahia State, Brazil

December 2017

In Brazil, prickly pear has gained increasing attention, mainly due to its nutritional benefits of health promotion, however, its postharvest conservation is still incipient and has to be evaluated. The objective of this work was to evaluate the physical and physico-chemical characteristics of prickly pear from three municipalities in the semi-arid region of the state of Bahia-Brazil. The fruits were harvested at random...

Author(s): Valtânia Xavier Nunes, Núbia Xavier Nunes, Luciana Nogueira Londe, Carlinne Guimarães de Oliveira, Natália Akemi Medina Inoue, Selma Silva Rocha and Jéssica Guerra Calaes

An overview of tomato fruit-ripening mutants and their use in increasing shelf life of tomato fruits

December 2017

The potential of tomato ripening mutants; rin, nor, alc, nr, gr, etc to prolong the shelf life of tomato cannot be overemphasized. Ripening mutants have gained a considerable attention in the last few years to extend shelf life. They have been characterized and examined for their potential utilization in lengthening shelf life of tomatoes. Mutant genes are therefore available to extend the shelf-life of tomato via...

Author(s): M. K. Osei, A. Danquah, E. T. Blay, E. Danquah and H. Adu-Dapaah

Correlation analysis for grain yield and other agronomic parameters for 90 single crosses hybrid maize evaluated in three agrological zones in Ghana

December 2017

A trial was conducted to determine the correlation between grain yield and agronomic parameters of 90 F1 early maturing maize hybrids in 2012 in Fumesua, Ejura and Kpeve; representing the Forest, Forest-Savannah Transition and Coastal- Savannah Transition zones of Ghana, respectively.  The objective of the work was to determine the correlation between grain yield and other agronomic parameters of maize across three...

Author(s): Ndebeh J., Akromah R., Vah E. G., Kolleh D. S. and Baysah N. S.

In vitro study on the role of the tannins of Newbouldia laevis and Zanthoxylum zanthoxyloides on infective larvae of Trichostrongylus colubriformis

December 2017

Trichostrongylus colubriformis is an important cause of parasitic gastroenteritis in small ruminants which causes diarrhea, weakness, loss of production and death. The in vitro efficacy of tannins of Newbouldia laevis and Zanthoxylum zanthoxyloides was determined against this parasitic nematode. Larvae of T. colubriformis were incubated at 23°C in the leaf extracts of N. laevis and Z. zanthoxyloides at...

Author(s): P. A. Olounladé,, E. V. B. Azando,, E. Y. Attakpa, J. D. Gbenou, G. G. Alowanou, E. Tchétan, C. C. Dansou, M. S. Hounzangbé-Adoté, F. Gbaguidi, M. Moudachirou, H. Hoste and A. Valentin

Growth of moringa (Moringa oleifera) seedlings in calcareous, clayey and sandy soils relative to loamy soil

December 2017

Calcareous soil, comprising more than 15% CaCO3, which imposes various physical and chemical challenges to plants, is widespread in arid and semi-arid regions. It was against the stated backdrop that an experiment was carried out to compare growth responses of moringa (Moringa oleifera Lam.) seedlings in calcareous, clayey and sandy soils relative to those in loamy soil during autumn (January-March) 2015 and validated...

Author(s): Phatu W. Mashela

Reassessing cotton pricing policy in Burkina Faso: How important is price stabilization?

December 2017

This paper focuses on the parastatal marketing of cotton in Burkina Faso. The parastatal companies have bought cotton at a guaranteed price, announced prior to planting, reducing a key element of risk for producers. The cotton sector reforms in the late 1990s and early 2000s have significantly improved the share of international price received by local producers. However, a number of problems must still be solved to...

Author(s): Amadou Gouzaye, Jeffrey Vitale and Pilja Park

Response of summer pulses (mung bean vs. mash bean) to integrated use of organic carbon sources and phosphorus in dry lands

December 2017

Pulses play an important role in addressing hunger, food insecurity, malnutrition, environmental degradation, climate change impacts and human health, thereby supporting the overall achievement of the Sustainable Development Goals. Pulses yield is very low under arid and semiarid climate. Field experiment was conducted to evaluate the impact of phosphorus (0, 30, 60 and 90 kg P ha-1) and organic sources [sole animal...

Author(s): Amanullah, Saifullah, Khalid Nawab, Asif Iqbal, Shah Fahad, Muhammad Jamal Khan, Habib Akbar, Ikramullah, Iqbal Hussain and Akhtar Ali

Inheritance studies of aroma and yield attributes in rice (Oryza sativa L.) genotypes

December 2017

Low yield is one of the main challenges of rice production in Ghana due to poor production practice, environmental stresses and plant genotype. The choice of an efficient breeding procedure depends to a large extent on knowledge of the genetic system controlling the character to be selected. This experiment was done to study the inheritance pattern of aroma attribute of rice and estimate the heritability for some yield...

Author(s): Nabieu Kamara, Maxwell Darko Asante and Richard Akromah

The effects of humic acid on growth and ion uptake of mung bean (Vigna radiata (L.) Wilczek) grown under salt stress

December 2017

The study aimed to determine the effects of humic acid (HA) on seedlings of a salt-sensitive plant, mung bean (Vigna radiata (L.) Wilczek), grown on 50 mM (S1) and 100 mM (S2) NaCl concentrations. In controlled room conditions, mung bean seedlings were planted in pots containing torf and perlite mixture and salt effects were observed. The growth parameters were plant height, number of leaves, leaf area, leaf and stem...

Author(s): Ozlem Kalyoncu, Sener Akinci and Esin Bozkurt

Hydropriming of pearl millet (Pennisetum glaucum L.) in Northern and Central Burkina Faso applying six hours of soaking and overnight drying of seeds

December 2017

Hydropriming of pearl millet seeds was tested during two growing seasons in Burkina Faso. A total of 32 field experiments were distributed equally between two agro-ecological zones: The Northern zone receiving on average less than 600 mm annual precipitation and the Central zone receiving 600 to 900 mm. Hydropriming was performed by soaking of seeds in water for 6 h, followed by air-drying overnight. In the Northern...

Author(s): P. Elisabeth Zida, B. James Néya, W. Romain Soalla, Paco Sérémé and Ole Søgaard Lund

Protection of Sideroxylon obtusifolium seeds against Colletotrichum sp. with Caesalpinia ferrea extract

December 2017

Sideroxylon obtusifolium (Roem. & Schul.) Penn. is a native species from Caatinga biome, but due to disorderly exploitation for phytoteraphy industry, it is in danger of extinction. Recent researches report that the diversity of vegetal species in Brazilian semiarid regions, when meticulously assessed through methods that focus on properties of molecules from different plant structures, may present a high potential...

Author(s): Paulo Alexandre Fernandes Rodrigues de Melo, Robson Luis Silva de Medeiros, Domingos da Costa Ferreira Júnior, Edna Ursulino Alves Alves, Sérgio Valiengo Valeri, Janaína Marques Mondego, José Ribamar Gusmão Araújo and Raimunda Nonata Santos Lemos

Impact of variable NPK source on water use efficiency and growth rates of winter grasses (cereals): Wheat, rye, barley and oats

December 2017

Growth analysis [absolute growth rate (AGR), crop growth rate (CGR), and net assimilation rate (NAR)] and water use efficiency (WUE) response of four cool season C3-cereals viz. wheat (Triticum aestivum L.), rye (Secale cereale L.), barley (Hordeum vulgare L.) and oats (Avena sativa L.) at 30, 60 and 90 days after emergence (DAE) under eight NPK sources [S1 = 20-20-20,  S2= 20-27-5, S3 = 7-22-8, S4 = 10-10-10-20S,...

Author(s): Amanullah Khan, B. A. Stewart, Lal K. Almas and Khalid Nawab

Effects of sewage sludge and length on initial growth of guava seedlings

December 2017

Substrate and light intensity exert influence on the quality of seedlings produced by increasing plant nutritional efficiency and growth. The objective of this work was to study the emergence and early growth of guava seedlings (Psidium guajava L.) in substrate enriched with sewage sludge and under different light intensities. In the conduction of this work, guava seeds of the cultivar Pedro Sato were used and five...

Author(s): Nathália Aparecida Bragança Fávaris, Allan Rocha de Freitas, Carla Basilio Monteiro, Manoel Victor Borges Pedrosa , Khétrin Silva Maciel, Paula Aparecida Muniz de Lima, José Carlos Lopes, Rodrigo Sobreira Alexandre

Coffee straw used as mulch for germination and strength of crops and spontaneous species seedlings

December 2017

The objective of this study was to evaluate the allelopathic effect of using conilon and arabica coffee straw as mulch on the emergence and development of three crops (Lactuca sativa, Cucumis sativu, Solanum lycopersicum) and three natural plants (Eupatorium maximilianii, Amaranthus hybridus and Bidens pilosa). The experiment was carried out in a greenhouse in a completely randomized design, with six repetitions. The...

Author(s): Elisa Maria Campos Minassa, Silvério Paiva Freitas, Diego Corona Baitelle, Silvio de Jesus Freitas, Ismael Lourenço de Jesus Freitas and Claudio Luiz Melo de Souza

Current knowledge and performance of existing charcoal coolers in improving the overall quality and shelf-life of French beans

December 2017

This study investigates current knowledge and performance of existing technology, ‘charcoal coolers’ in improving the overall quality and shelf-life of French beans. Data was collected primarily from a household survey using a semi-structured questionnaire administered to 45 purposively selected farmers who were selected at fixed interval. Data was analysed using the Statistical Product and Service Solutions...

Author(s): Ogumo E. O., Kunyanga C. N., Okoth M. W. and Kimenju J.

Selectivity of herbicides to erva mate (Ilex paraguariensis) plants

November 2017

Herbicides can cause negative effects on the morphophysiological characteristics of agricultural crops when proper knowledge about their selectivity is not available. For erva-mate plantations, herbicides which are registered and recommended are scarce. In this sense, this study was carried out to evaluate the selectivity of herbicides applied in different doses to erva-mate. The experiment was installed in a greenhouse...

Author(s): Felipe Adelio de David, Leandro Galon, Gismael Francisco Perin, Cesar Tiago Forte, Germani Concenço, Altemir José Mossi, Paula Rochelly de David and Ivana Santos Moisinho

Evaluation of different sweet potato varieties for growth, quality and yield traits under chemical fertilizer and organic amendments in sandy ferralitic soils

November 2017

Growth, quality and yield components of sweet potato ((Ipomoea batatas (L.) Lam. Var. Tib1, IRA1112 and Red tuber coat) were investigated under three fertilizer sources (inorganic-NPK (100 kg/ha), green manure (Eichhornia crassipes) or poultry manure at 12 t/ha, singly or in combination) with three replications. Application of E. crassipes and poultry manure fertilizers in combination significantly (P < 0.05)...

Author(s): Taffouo Victor Désiré, Nono Gilles Vivien and Simo Claude

Agronomic traits, chemical composition and silage quality of elephant grass fertilized with poultry litter

November 2017

The high generation of organic residues from the intensive farming of chickens has induced their use as fertilizer for forage crop production. This aimed to evaluate the effect of poultry litter application on agronomic traits and quality of silage of elephant grass. The experiment was conducted in the experimental field of Boa Vista Farm, in district of Cachoeira de Santa Cruz, Viçosa, State of Minas Gerais, in...

Author(s): Paula Cristiane Trindade and Rogério de Paula Lana

Relationship between physical and physiological quality variables in analyzes of black oat seeds

November 2017

The success of species implantation depends on the quality of seeds used initially. It is therefore important to ascertain that the seed is in an excellent physical, physiological, sanitary and nutritional condition as this will determine the genetic cultivars’ potential. Thus, this research work studied the relationships between physical and physiological variables in the seed. Samples were analysed and grouped...

Author(s): Roberto Carbonera, Alessandro Dal’Col Lúcio, Ubirajara Russi Nunes and Sandra Beatriz Vicenci Fernandes

Agro-morphologic variations among eleven potato (Solanum tuberosum L.) cultivars

November 2017

In this work, we studied agro-morphological parameters that could be used to define variaton among  early, mid-early, mid-late and late potato cultivars, cropped in the main season by quantitaive and qualitative parameters (characters of mother tubers, vegetation cover, height of plants, number of leaves, number of true leaves, number of stems, number of stolons, lenght of first stolon, median diameter of first...

Author(s): Khaoula Mokrani, Wassim Saadaoui, Rym Mediouni and Neji Tarchoun

Temperature and substrate effects on the germination of Caesalpinia ferrea Mart. Ex Tul.

November 2017

Caesalpinia ferrea Mart. Ex Tul. is a tropical arboreal species used in naval and civil construction, and in the recovery of degraded areas. The substrate used and temperature can interfere directly in the germination of this species. This work aimed to evaluate the influence of different substrates and temperature regimes on the seed germination potential and initial growth of C. ferrea seedlings. The experiment was...

Author(s): Luan Danilo Ferreira de Andrade Melo, João Luciano de Andrade Melo Junior, Ivomberg Dourado Magalhães, Aldair de Souza Medeiros, Sebastião de Oliveira Maia Júnior, José Jairo Florentino Cordeiro Junior and Abraão Cícero da Silva

Effect of cover crops on physico-chemical attributes of soil in a short-term experiment in the southwestern Amazon region

November 2017

No-tillage is an agricultural system that is proposed as a sustainable soil management system. This paper aims to evaluate the short-term effects of cover crops on a no-tillage system, by assessing a number of physical and chemical attributes of soil of the Brazilian Amazon region. The experiment was carried out in a typical Ferralsol under a no-tillage system from March to December, 2014. A randomized block design,...

Author(s): Alexandre Martins Abdão dos Passos, Andreia Marcilene Aker, Rogerio Sebastiao Correa Da Costa, Flávia Cristina Dos Santos, Vivianni Pacheco Dantas Leite and Alaerto Luiz Marcolan

Biological control of Anastrepha Schiner (Díptera: Tephritidae) through augmentative releases of Diachasmimorpha longicaudata Ashmead (Hymenoptera; Braconidae) in fruit-producing marginal areas of Northern Nayarit, México

November 2017

In Mexico, fruit flies (Anastrepha Schiner) are one of the main pests that affect production and limit the commercialization of fresh fruits. In regions producing municipalities such as Ruiz (Nayarit), the insect is actively multiplying in marginal areas, in fruits such as Mangifera indica L. (mango), Psidium guajava L. (guava), Spondias sp. (jobo) and Psidium sartorianum (Berg), from where they move to commercial...

Author(s): Isiordia-Aquino N., Robles-Bermúdez A., Cambero-Campos O. J., Díaz-Heredia M., González-Castellón L. and Flores-Canales R. J.

Corn productivity in integrated crop-livestock system: Effect of different forage masses post-grazing

November 2017

Forage management in integrated crop-livestock system is a complex activity that increases profitability, when well performed, therefore consequently influencing future crop productivity. This study aimed to evaluate the agronomic performance of corn cultivation in the integrated crop-livestock system using the no-tillage system in different forage masses post-grazing. The experiment was conducted in the municipality of...

Author(s): Paulo Eugenio Schaefer, Rodrigo Pizzani, Thomas Newton Martin and Thomé Lovato

Propagation of Farash (Tamarix aphylla) as affected by cutting lengths under low polytunnel and open air

November 2017

A research study was conducted on Tamarix aphylla in August, 2008, in the experimental area of Department of Forestry, University of Agriculture Faisalabad, Punjab to find out the impact of vegetative propagation of Farash (T. aphylla) through different size of cuttings in open air and under low polytunnel. In this study, 2", 4" and 6" long cuttings were planted in shade in polythene bags, with nine...

Author(s): Aitzaz Malik and Shahid Hafeez

Consortium of maize and cowpea in organic farming - dry grain production

November 2017

Intercropping of maize and cowpea is widely used by Brazilian family farmers. The aim of this work is to compare the grain yield of two maize cultivars, and one cultivar of cowpea in organic system. Treatments of monoculture of cowpea (Poços de Caldas) and maize ('BR106' and 'AG1051') and intercropping were used. A randomized block design with four replicates in an area under conversion to organic...

Author(s): Áurea I. A. Fonseca e Souza, Kerolém P. S. Cardoso, Ana E. de A. Brito, Glauco A. S. Nogueira, Fábio C. Coelho, Jocarla A. Crevelari, Anna C. S. Oliveira, Aurilena A. Silva, Cândido F. Oliveira Neto Diana J. P. Sousa and Jessica S. S. Teixeira

Private initiatives in rural irrigated agriculture towards sustainable livelihoods in Nadowli-Kaleo District, Ghana

November 2017

At the dawn of the 21st Century, the goal of achieving poverty reduction became a global concern. Diverse livelihood public interventions such as the provision of community dams since then have been implemented in rural settings including Nadowli-Kaleo District of the Upper West Region, Ghana to promote food security through dry-season farming. However, the objectives of these interventions have not been realized....

Author(s): Jonas Kannyiri Naaderi and Romanus Dogkubong Dinye

Use of spermidine reduced the oxidative damage in onion seedlings under salinity by modulating antioxidants

November 2017

This research studies the role of spermidine (Spd) in conferring tolerance in onion seedlings under oxidative sress, caused by NaCl. Stress condition was applied on two months old onion seedlings by adding 10 gL-1 of NaCl, where 100 µM of Spd was sprayed twice daily before counting the stress duration. Under salinity stress, seedlings were observed for 7 days, and data were measured on relative leaf water,...

Author(s): Md. Motiar Rohman, Tanjina Islam, Mohammed Mohi-Ud-Din, Md. Robyul Islam, Md. Rezwan Molla, Mohammad Golam Hossain and M. A. Z. Chowdhury

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