African Journal of
Plant Science

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

AJPS Articles in press

Screening for Complete Submergence Seedling Tolerance in Rice (Oryza sativa L.) Genotypes Collected from Sudan and South Sudan

Article in Press

Eighteen rice genotypes from Sudan and South Sudan and two genotypes (FR13A tolerant and IR42 sensitive checks) from the International Rice Research Institute were screened for complete submergence at seedling stage in a protected house. Most of the genotypes showed zero survival, except genotypes [NBGA (2.08%), Banban (3.92%), Masury1 (5.56%), Pipanfary Red2 (11.11%) and Sommboy (14.58%)]. Sensitive genotypes registered 2...

Author(s):Hanadi El Dessougi, Seif Gasim, Ishraka Abuanja, Abdelwaha Abdella and Eltaye Nile

Antagonistic potential of Trichoderma harzianum against F. oxysporum f. sp. lycopersici isolates causing Fusarium wilt disease of tomato (Solanum lycopersicum L.)

Article in Press

Antagonistic effect of T. harzianum was carried out on F. oxysporum f. sp. lycopersici isolates from UC 82B variety of tomato in a screen house located at the Teaching and Research Farm, Joseph Sarwuan Tarka University, Makurdi, Nigeria during 2015 cropping season to determine their antagonistic effect on the isolates. F. oxysporum isolates tested were coded as: FoAs1, FoAs2, FoAg, FoNb, FoSb, FoAm, FoAk, FoOr, FoAd and...

Author(s):Habib Kayode ABDULKADIR, Ebenezer Jonathan EKEFAN, Victor Iorungwa GWA

Morpho-physiological response of three varieties of Vigna unguiculata (L.) Walp to NaCl stress

Article in Press

Morpho-physiological response of three Vigna unguiculata (cowpea) cv (IT96-610, IT99K-573-1-1 and IT81-994) subjected to sodium chloride (NaCl) stress at concentrations of 0, 50, 100 and 200 mM was investigated, for the purpose of better understanding of salt tolerance of the crop. The study was conducted under controlled conditions and set out in completely randomized design (CRD) with six replications. Morphological and...

Author(s):Ezekiel Dare Olowolaju and Adekunle Ajayi Adelusi

Seed dispersal of a range restricted and vulnerable species, Guibourtia copallifera Benn. in Sierra Leone

Article in Press

In the early 20th Century Guibourtia copallifera Benn. was extensively exploited as a source of gum copal. Its geographic distribution in Sierra Leone is now restricted to a few square kilometers in a single badly degraded forest reserve. We conducted a series of seed rain experiments to quantify its seed dispersal potential. Transects of seed traps were laid out and a total of 1,164,880 seeds were collected over the two...

Author(s):JONATHAN JOHNNY, AIAH LIBBIE, RICHARD WADSWORTH

Radio-Sensitivity of Four Selected Rice (Oryza sativa L.) Varieties in Kenya, as a Pre-requisite for Mutation Breeding

Article in Press

Radio-sensitivity test informs the optimal irradiation dose for use in mutation breeding. In this study, four rice varieties (Basmati 217, Basmati 370, ITA310, and Komboka) were irradiated with gamma-ray doses ranging from 0Gy to 500Gy, to examine their morphological responses at the seedling stage, and estimate their optimal doses. Two experiments were carried out at varied time points between March and May 2022. In the...

Author(s):Wagatua Njoroge, Miriam Kinyua, Emily Gichuhi

MORPHOLOGICAL CHARACTERIZATION OF SOME LANDRACES TOMATOES (SOLANUM LYCOPERSICUM L.)

Article in Press

Landraces tomato has taste, smell and aroma properties making it one of most appreciated food product among other species good. Local varieties are always valuable in breeding. One of their negative features is that they are not resistant to disease and preservation. In this study, the characteristics of local tomato varieties will be determined and the breeding material defined for future breeding studies will be...

Author(s):YUSUF ÇEL?K, LEVENT KESK?N

Morpho-physiological response of three varieties of Vigna unguiculata (L.) Walp to NaCl stress

Article in Press

Morpho-physiologicalresponse of three Vigna unguiculata (cowpea) varieties (IT96-610, IT99K-573-1-1 and IT81-994) subjected to sodium chloride (NaCl) stress at concentrations of 0, 50, 100 and 200 mM was investigated, for the purpose of better understanding of salt tolerance of the crop. The study was conducted under control conditions and set out in completely randomized design (CRD) with six replications.Morphological...

Author(s):Tesfa Binalfew, Flagote Alemu, Jibicho Geleto and Melkamu Hinsermu, Yosef Alemu, Gebeyehu Wendimu, Shimels Aklilu, Selamawit Ketema

Different levels of irradiance and plant regulators modify the leaf structure and essential oil production of Lippia origanoides H.B.K (Verbenaceae)

Article in Press

The quality and quantity of secondary metabolites produced by plants can be influenced by biotic and abiotic factors, since the biochemical and physiological processes that coordinate the synthesis of these compounds are influenced by these. Plant regulators can also interfere with plant growth and terpene biosynthesis in aromatic species, which is why they are widely used in agriculture. Lippia origanoides H.B.K is an...

Author(s):Jordany Aparecida de Oliveira Gomes, Marcelo Schramm Mielke, Larissa Corrêa do Bomfim Costa, Rosilene Aparecida de Oliveira and Delmira da Costa Silva

Distribution of groundnut (Arachis hypogaea L.) root rot complex and associated pathogens in eastern Ethiopia

Article in Press

Groundnut root rot is a complex disease affecting the crop production worldwide. The objectives of this study were to: (1) assess the occurrence and distribution of groundnut root rot complex in four main groundnut-growing areas of eastern Ethiopia; (2) identify the major pathogens associated with groundnut root rot complex; and (3) determine the role of pathogens singly and in combination on root rot severity of groundnut...

Author(s):Solomon Debele, Chemeda Fininsa, Mashilla Dejene, Tamado Tana

COVERAGE PLANTS IN THE SUPPRESSION OF WEED SAND PRODUCTIVITY OF CORN

Article in Press

Practices that minimize herbicide applications have been in order to avoid the risk of residual effects on the soil. Cover crops are being used to suppress and decrease the weed community's seed bank in the soil. This study aimed to evaluate the phytosociology and foliar contents of weeds and cover species and corn crop yield in an area with five primary soil tillage systems in the plot: P1 – harrow; P2 – disc plow; P3 –...

Author(s):Yara Karine de Lima Silva¹ and Alberto Carvalho Filho²

Genotype performance and genetic variability studies in Hot Pepper (Capsicum annum L.)

Article in Press

Pepper (Capsicum sp.) is one of the extensively consumed foods worldwide and found in different forms. A field experiment was conducted using twenty-six locally collected accessions and four varieties during the off-season period from November 2016 to May 2017 under irrigation to assess the magnitude and extent of genetic variability, as well as the association of agronomic traits among some chili accessions and varieties...

Author(s):Bantayehu Bekele, Yohanes Petros , Tamiru Oljira , and Mebeaselassie Andargie

Response of Different Sulfur Levels on Growth, Yield and Quality of Three Onion (Allium cepa L.) Varieties

Article in Press

A field experiment was conducted during 2018 cropping season to evaluate the response of sulfur level and variety on yield, yield component and quality of onion at Shewa Robit, North Shewa, Ethiopia. The experiment consisted of three onion varieties (Bombay Red, Red coach F1 and Red king F1) with five sulfur (S) level (0, 7, 25, 43 and 61kg S /ha). The treatments were laid out in a factorial arrangement with three...

Author(s):Kebebush Goshu , Wondwosen Tena Asmare Melese

Performance of Sesame (Sesamum indicum L.) Variety “Ado” in Ethiopia

Article in Press

Sesame is a source of oil, food, feed and a cash crop. There is a great potential, in Ethiopia, to exploit sesame production, however mean seed yield is very low due to the lack of any high yielding varieties. The objectives of this research were to evaluate the performance of eleven sesame genotypes including a control (“Tate”) were tested over three seasons (2013/14, 2014/2015and 2015/16) at three sesame growing...

Author(s):Mohammed Hassen and Daniel Endale

Physical, mechanical and acoustic properties of Terminalia superba, Cleistopholis patens and Holarrhena floribunda woods used in sculpture and instrument making in Benin.

Article in Press

Wood is important in several fields including sculpture and instrument making. In the last two fields, Terminalia superba, Cleistopholis patens and Holarrhena floribunda are three of Benin’s most used wood species. In this work, we have, on prismatic samples (500mm×20mm×20mm) of the wood of these species, used the acoustic method BING (Beam Identification by Non-destructive Grading) of CIRAD-Forêt to determine the density...

Author(s):Montcho Crépin Hounlonon, Comlan Aristide Houngan, Clément Adéyèmi Kouchadé, Alexis Enagnon Medehouenou, Basile Bruno Kounouhéwa

Yield responses of chickpea (Cicer arietinum L.) varieties to rates of NPSB blended fertilizer and inoculants in Meskan, Ethiopia

Article in Press

Ethiopia is the principal chickpea producer in Africa. Chickpea is widely cultivated in highlands and semi-arid area; however, productivity of chickpea remains low; due to poor crop management, and lack of improved varieties; iInformation on the use of rhizobium strain and NPSB fertilizer rate is the major yield limiting factors of chickpea production on Vertisol in Meskan. Hence, field experiment was executed in 2018; to...

Author(s):Mohammed Hamid, Mohammed Hassen, Asnake Fikre and Amsalu Nebiyu

Genetic Analysis of Grain Yield and Yield Related Traits of Quality Protein Maize (Zea mays L.) Inbred lines Adapted to Mid-altitude Agroecology of Ethiopia

Article in Press

To establish effective breeding techniques for the creation of nutritionally enhanced maize cultivars, reasonable information of the extent of genetic diversity, heritability, genetic advance, correlation analyses, and interrelationships of yield and yield related variables is essential. As a result, the goal of this study was to determine the nature and magnitude of genetic variability, heritability, Correlation Analysis,...

Author(s):Lemi Yadesa, Beyene Abebe and Zelalem Tafa

Effect of Flower Bud on Tuber Yield and Quality of Potato (Solanum tuberosum L.) Varieties in Horo District, Western Ethiopia

Article in Press

The experiment was conducted in Horo district of Western Ethiopia. Five -by-two factorial experiment arranged in a randomized complete block design was the method used. The purpose of the experiment was to compare the varietal differences and to evaluate the effects of flower bud removal on tuber yield and quality in Irish potato varieties. Pruning treatments viz. normal growings were applied to five potato cultivars,...

Author(s):Desalegn Negasa Soresa

Combining ability and single cross performances of tropical highland maize inbred lines under optimum and low nitrogen environments

Article in Press

Understanding the genetic basis of hybrid performance under different conditions is crucial to design appropriate breeding strategy in variety development. The present study examined the performances of single crosses and the GCA and SCA effects of highland maize inbred lines for grain yield and yield related traits under optimum and low-nitrogen conditions. Eleven inbred lines were crossed using half-diallel mating...

Author(s):Dufera Tulu, Demissew Abakemal, Zeleke Keimeso, Tefera Kumsa, Demewoz Negera, Abiy Balcha and Shimelis Tesfaye

ESTIMATION OF STANDARD HETEROSIS AND HETEROTIC GROUPING OF ELITE SORGHUM [SORGHUM BICOLOR (L) MOENCH] INBRED LINES UNDER MOISTURE STRESS CONDITIONS

Article in Press

Development and selection of appropriate parents are prerequisites for hybrid variety development. The lack of a broad genetic foundation is the most significant constraint to crop improvement. The assignment of sorghum germplasm lines to appropriate heterotic groups is critical for obtaining useful heterotic patterns among germplasm lines in order to boost sorghum productivity. As a result, the experiment was carried out...

Author(s):Temesgen Begna, Techale Birhan and Taye Tadesse

Assessing Production Constraints, Management and Use of Pearl Millet in the Guinea Savanna Agro-ecology of Ghana

Article in Press

The adoption of new and high yielding pearl millet (Pennisetum glaucum (L.) R. Br.) varieties can be boosted if they correspond to farmers’ preferences and answer the constraints prevailing in the production environments. Therefore, the focus of this study was to assess production constraints, farmers’ preferences and choices of varieties among pearl millet cultivating farmers using participatory rural appraisal (PRA) in...

Author(s):Peter Anabire Asungre, Richard Akromah, Alexander Wiredo Kena, Prakash Gangashetty

Occurrence of Maize Yellow Mosaic Virus and Evidence of Co-infection with Maize Lethal Necrosis Viruses in Bomet County, Kenya

Article in Press

Maize Lethal Necrosis (MLN) disease is caused by synergistic interaction between Maize chlorotic mottle virus (MCMV) and Sugarcane mosaic virus (SCMV). However, some East African countries have detected maize infecting Polerovirus named Maize yellow mosaic virus (MaYMV) also known as Maize yellow dwarf virus (MYDV-RMV) co-infecting maize with MLN viruses. Maize yellow dwarf virus occurrence and distribution in different...

Author(s):Chepkorir Tanui, Sylvester Anami, Jane Wamaitha, and Bramwel Waswa Wanjala

Distribution and farmers’ knowledge on Fusarium wilt (Race 1) in cropping systems of Uganda

Article in Press

The study aimed at understanding the spatial distribution of Fusarium wilt (FW) in different banana growing regions, ascertain the effect of management practices and plantation age on FW incidence, as well as investigate farmers’ knowledge regarding the symptoms and spread of FW in Uganda. Individual interviews were conducted in 119 farms using a pre-tested questionnaire and field observations during a survey in major...

Author(s):Elias Oyesigye, William Tinzara, Georgina Karamura, and Wacal Cosmas

Growth and Yield Response of Tomato (Solanum lycopersicum L.) to Different Basil (Ocimum basilicum L.) Planting Densities and Row Arrangements in an Intercropping System

Article in Press

During 2018, a field experiment was conducted under irrigated conditions at Wondo Genet Agricultural Research Center to examine the growth and production performance of tomato under an intercropping system with varied basil planting densities and row arrangements. It was arranged in a 2 × 4 factorial arrangement in a randomized complete block design with three replications consisting of ten treatments: two basil row...

Author(s):Midekesa Chala, Amsalu Nebiyu and Belistie Lulie

The effect of mineral phosphorus fertilization on maize (Zea mays L.) shoot and root biomass at different growth stage

Article in Press

A greenhouse pot experiment was conducted from mid-June to early August, 2020 at China Agricultural University to quantify the effect of different levels of phosphorus fertilizer (0, 200 and 400 mg kg-1) on maize shoot and root biomass. Samples were taken twice (30 and 55 days after sowing (DAS). It was shown that, the shoot and root dry biomass were more influenced at 55DAS than at 30DAS. The shoot biomass at 30DAS was...

Author(s):Bilisuma Kabeto and Xiaoqiang Jiao

Evaluation and genetic analysis of common bean genotypes (Phaseolus vulgaris L.) at Dibatie and Mandura, Northwestern Ethiopia

Article in Press

Assessing and understanding the variations existing in crops due to genetic composition and environmental variability is very important for exploiting the genetic constitution of crop plants using variability measures such as phenotypic coefficient of variation (PCV) and genotypic coefficient of variation (GCV), heritability and genetic advance are a major concern for common bean to identify important traits in common...

Author(s):Gezahegn Tefera

Genotypic variability, heritability and path analysis of yield components of determinate lablab (Lablab purpureus (L.) Sweet) inbred lines genotypes in Kenya

Article in Press

Lablab is a leguminous crop that offers great potential as food and cash crop in Kenya. However, high yielding early maturing determinate varieties suitable for short season environments and for intercropping systems are lacking. This study was conducted to estimate heritability, genetic advance and correlation between grain yields and yield attributing traits of advanced inbred determinate lines. Thirty nine lablab F5...

Author(s):Eliezah M. Kamau, Miriam G. Kinyua, Charles N. Waturu and David R. Karanja

Anti-fungal Activities of Plant Extracts and Dress Force (Triazoles) on Pythium aphanidermatum using three Cultivars of Okra in Mubi, Adamawa State, Nigeria

Article in Press

Farmers suffer a great set back caused by soil-borne pathogens. These pathogens result in pre and post damping-off diseases. Plant extracts exhibit various degrees of anti-fungal growth inhibition, are socioeconomically friendly and can be tapped from the community; while synthetic fungicides are the first line of defence though they disturb the ecological balance of microorganisms. Acacia nilotica (pod and root),...

Author(s):Anjili S. M., Channya F. K., Chimbekujwo I. B. and Asama P

Normalized Difference Vegetation Index as Screening Trait to Complement Visual Selections of Durum Wheat Drought Tolerant Genotypes

Article in Press

Normalized Difference vegetation index (NDVI) is considered as potential screening tool detecting stay green traits for drought tolerance. The objective of the present study aimed to evaluate durum wheat genotypes using NDVI under drought condition and investigate its association to grain yield. NDVI scores taken at different growth stages for 64 durum wheat genotypes replicated twice in both sandy clay and clay textured...

Author(s):Alemayehu Zemede Lemma, Firew Mekbib Hailemariam, Kebebew Assefa Abebe and Zewdie Bishaw

Correlation and Combining Ability of Maize (Zea mays L.) Inbred Lines Managed Under Sole Cropping and Maize Haricot Bean (Phaseolus vulgaris L.) Intercropping System in a Mid altitude Agro-ecology of Ethiopia

Article in Press

The correlation and combining ability of sole maize and maize-haricot bean intercropping were investigated through field experiments conducted at Bako and Hawasa in a Mid altitude Agro-ecology of Ethiopia to estimate combining ability of the inbred lines under sole maize and maize-haricot bean intercrop and to assess the correlation between traits under the two cropping systems. The results showed that general combining...

Author(s):Beyene Abebe, Berhanu Tadesse, Tolera Keno and Temesgen Chibsa

Influences of Phosphorus and Sulfur Fertilizers Application under Different Irrigation Regimes on Phenology and Growth of Snap Bean (Phaseolus vulgaris L.)

Article in Press

Snap bean is a leading exportable vegetable crop in Ethiopia. However, its phenology and growth parameters are very low and poor due to inadequate moisture and poor soil fertility. Therefore; field experiment was conducted at MARC during the dry season in 2017 and 2018 to evaluate the effect phosphorus and sulfur) fertilizers under different irrigation regimes on phenology and growth of snap bean. The experiment was laid...

Author(s):Melkamu Hinsermu, Walelign Worku and Edossa Etissa

PERFORMANCE EVALUATION AND PARTICIPATORY VARIETY SELECTION OF IMPROVED HIGHLAND SORGHUM VARIETIES AT WEST HARARGHE ZONE

Article in Press

Developing high yielding cultivars with acceptable and farmers preference traits are the ultimate goal of crop improvement program. However, farmers in marginal areas continue to cultivate low yielding, susceptible to pests and disease sorghum land-races. Lack of awareness and absence of farmers’ perception on the development of superior varieties caused difficult challenges on the acceptability and adoption of improved...

Author(s):Temesgen Begna, Hailu Gichile

Meta-analysis of the effects of Rhizobia inoculants and phosphorus fertilizer on soybean nodulation in Africa

Article in Press

Soybean has the potential to bring significant benefits in diversified cropping systems, which could help restructuring soil fertility and allow smallholders to increase grain yield. Rhizobium inoculation improves the biological nitrogen fixation (BNF) in legume crops and assists resource-poor farmers to increase grain yield at lower financial costs. The efficacy of symbiotic bacteria on legumes can also be improved...

Author(s):Jasper KANOMANYANGA, Xiaoqiang JIAO, Shingirai MUDARE, Stanford MABASA

Participatory Variety Evaluation of Improved Maize Varieties in Dera District of North Western Ethiopia

Article in Press

Maize (Zea mays L.) is the world leading crop and in 2018, total world production was 1.15 billion tones. Participatory variety selection (PVS) was initiated to facilitate identification of farmers’ ideal plant varieties, as well as enhancing adoption of elite varieties. In Ethiopia, various research activities were conducted on maize through participatory variety selection. However, those varieties are not tested in the...

Author(s):Atsedemariyam Tewachew

Determination of critical weed competition period in roselle plant (Hibiscus sabdariffa L.) at Arba Minch in Southern Ethiopia

Article in Press

A field experiment using a randomized complete block design with three replications was conducted during the 2017 cropping year to determine (i) the critical periods of crop-weed competitions in roselle production and (ii) effects of weed competition periods on roselle growth and yield performance. The experiment consisted of 14 treatments in two series, including increasing duration of weedy periods (IDWP) and increasing...

Author(s):Getachew Gudero Mengesha, Ano Wariyo Negaso , Negasu Guteta Bayisa

PERFORMANCE OF COTTON GENOTYPES (Gossypium hirsutum L.) FOR YIELD AND YIELD COMPONENT TRAITS UNDER IRRIGATED CLIMATIC CONDITIONS OF ETHIOPIA

Article in Press

The present study was conducted to test the performance of cotton genotypes for yield and yield components from 2011- 2013 cropping season at different cotton growing agro-ecologies in country. Eleven cotton genotypes along with three check varieties were examined at three locations in RCBD under three replications. The genotypes manifested highly significant differences (p?0.01) for plant height, bolls per plant, boll...

Author(s):Samuel Damtew, Donis Gurmessa Merdasa Balcha, Arkebe G Egziabher, Bedane Gudeta, Alehegn Workie and Mekashaw Arega

Agronomic performance of cassava cultivars subjected to pruning at various population densities and harvest timings

Article in Press

Optimizing population density and harvest timing in cassava can improve agronomic efficiency, productivity and quality of industrialization. The objective of this study was to evaluate the influence of plant population density and harvest timing on yield of two cassava cultivars with different canopy architectures (IAC 13 and Branca de Santa Catarina), each planted at four population densities, from 7,000 to 31,000 plants...

Author(s):Luiz Henrique Campos De Almeida, Eli Carlos Oliveira, Jaimie West, Maria de Fatima Guimaraes, Teresa Losada Valle

Leguminous Plants (Beans and Peanuts) and Abelmoschus Esculentus (Okra) Intercropped to Determine Okra Growth and Yield Performance

Article in Press

Plant nutrients are essential for adequate nutrition and high yield of a crop. Unfortunately in Liberia, there is a very large amount of rainfall; due to this condition, most natural soils are depleted and lack the ability to supply essential plant nutrients to improve crop performance. To improve on this, a study was conducted to investigate the influence of legumes (beans and peanuts) intercropped with okra to determine...

Author(s):ALEX DORTIE KOLLEH, WASHINGTON TOE-WILLIE QUAQUA S. MULBAH

Effect of Foliar Application time and rates of exogenous salicylic acid on growth and grain yield performances of sorghum [Sorghum bicolor L. Moench]

Article in Press

The experiment was set in a factorial combination of two sorghum varieties, four rates of salicylic acid (SA) and three application times. The severity of stem borer and stem lodging percentage were significantly reduced following foliar application of 0.5 or 1mM salicylic acid (SA) than the controls (distilled water). Application of 0.5mM SA after 30 days of planting resulted in 15% more grain yield than the control for...

Author(s):Mesfin Bekele, Temesgen Teressa, Bekele Abebie, Birhanu Amsalu

Evaluation of improved cotton varieties for agronomic and fiber quality traits under irrigated conditions of Sille and Weyto area of Ethiopia

Article in Press

A field study was carried out to evaluate agronomic performances and fiber qualities of improved cotton varieties under irrigated condition of Sille and Weyto cotton producing area. The experimental design used was Randomized Complete Block Design with three replications. The combined analysis of variance revealed highly significant (p≤0.01) difference among the varieties for all the traits viz. plant height, boll number...

Author(s):Donis Gurmessa, Samuel Damtew, Merdasa Balcha, Arkebe Gebregziabher, Bedane Gudeta, Alehegn Workie and Mekashaw Arega

Genetic Diversity in Sorghum (Sorghum bicolor (L.) Moench) Germplasms from Drought-prone Areas of Ethiopia Based on Qualitative Morphological Traits

Article in Press

The development of high yielding and stable varieties for the drought prone area requires a continuous supply of new germplasm as a source of desirable genes. However, in Ethiopia the extent of genetic diversity among sorghum germplasms has not been systematically quantified. A total of 275 sorghum accessions collected from the major drought prone areas of Ethiopia were evaluated for genetic diversity at two representative...

Author(s):Dagnachew Bekele

Characterization Of The Causal Organisms Of Soft Rot On Tomatoes Grown In Lesotho

Article in Press

In order to study the causal agents of tomato rot in tunnels/greenhouse, the tomato fruits (Solanum lycopersicum L) showing symptoms of soft rot were collected and their juices used for identification of microbes. Microbial isolates were obtained from lesions following surface sterilization and rinsing with distilled water. Bacteria Cultures were prepared on nutrient agar while fungal cultures were prepared on PDA...

Author(s):Mpho Liphoto, Maliehe Maqhai and Khothatso Nkhabu

The Control of Diparopsis castanea with Cartap hydrochloride 50SP in Zimbabwean cotton

Article in Press

In Zimbabwe bollworms are the most destructive pests of cotton, capable of causing yield losses of up to 60%. Evaluation of new insecticides to complement those already on the market is an important part of bollworms control strategy. Trials were conducted at Cotton Research Institute (Kadoma), Kuwirirana (Gokwe) and Umguza (Matebeleland North) to evaluate the efficacy of Cartap hydrochloride 50SP on the control of red...

Author(s):Jimu Francis Mapuranga R., Mubvekeri W., and Kutywayo D

Evaluation of Soybean Genotypes for Asian Soybean Rust (Phakopsora pachyrhizi) and Common Bacterial Blight (Pseudomonas syringae pv. glycinea) at Different Phenological Stages in Southwestern Ethiopia

Article in Press

Asian soybean rust caused by Phakopsora pachyrhizi and bacterial blight caused by Pseudomonas syringae pv. glycinea diseases are the two most limiting factors in soybean production. The use of resistant or tolerant varieties is one of the most suitable management options to control Asian soybean rust and bacterial blight. This study was carried out to evaluate the performance of soybean genotypes and to see the progress of...

Author(s):Yechalew Sileshi

EFFECT OF WITHHOLDING IRRIGATION ON YIELD AND YIELD COMPONENTS OF SUGARCANE (Saccharum spp. Hybrid) IN SOUTHERN, ETHIOPIA

Article in Press

A study was conducted to determine optimum time of withholding irrigation period of sugarcane at Omo Kuraz Sugar Factory, Southern Ethiopia. The experiment evaluated two sugarcane varieties (NCo334 and B52-298) in combination with withholding irrigation periods (WIPs) of 20, 30, 40 50 and 60 days in a randomized complete block design with four replications. Data were collected on soil moisture content, cane height and...

Author(s):Semu Yetaferu Ashagre

Maize and weed response to fertilizer management on a toposequence

Article in Press

Soil fertility spatial variability exists within and across smallholder farms, yet blanket recommendations are made across heterogeneous farms resulting in poor crop performance. A fertilizer management experiment was conducted on three smallholder farms within 1-km distance, positioned on upper, middle and lower catena, with soil organic carbon (SOC) of 3.9, 6.4 and 8.9 g kg-1, respectively; hereafter referred to as low,...

Author(s):Justin Chipomho, Joyful T. Rugare, Stanford Mabasa, Shamie Zingore, Arnold Bray Mashingaidze, Regis Chikowo

MORPHOLOGICAL AND PRODUCTIVE PERFORMANCE OF CONILON COFFEE INTERCROPPED WITH GREEN MANURE IN AGRO ECOLOGICAL TRANSITION AREA

Article in Press

This study evaluated morpho-agronomic characteristics of Conilon coffee plants submitted to different management practices and species of green manures. The experiment was carried out in the field, in a randomized block design with a 4 x 2 + 1 factorial, totaling 9 treatments, namely pigeon pea, pork bean, black mucuna, Mexican daisy and conventional fertilization in two planting management systems. These two systems...

Author(s):Mario Euclides Pechara da Costa Jaeggi, Richardson Sales Rocha, Israel Martins Pereira, Derivaldo Pureza da Cruz, Josimar Nogueira Batista, Rita de Kássia Guarnier da Silva, Fábio Cunha Coelho, Edvaldo de Castro Monteiro, Magno do Carmo Parajara, Augusto Melo Moulin Breda, Geovana Cremonini Entringer, Samuel Colla Pizetta, Jaidson Gonçalves da Rocha, Marco Aurélio Costa Caiado, Rogério Rangel Rodrigues, Wagner Bastos dos Santos Oliveira, Tâmara Rebecca Albuquerque de Oliveira, Geraldo de A

Chemical composition and larvicidal activity of Lippia rotundifolia Cham. essential oil against Aedes aegypti Linn.

Article in Press

Lippia rotundifolia Cham. (Verbenaceae family) is an aromatic species from the Brazilian Cerrado, whose oil has antimicrobial potential. We evaluated the content and chemical characterization of the essential oil of Lippia rotundifolia Cham. collected in Cerrado of the Minas Gerais, Brazil, as well as an evaluation of its larvicidal activity against Aedes aegypti Linn. larvae. To achieve this goal, the essential oil was...

Author(s):Messulan Rodrigues Meira; Ernane Ronie Martins; Júlio Cesar Rodrigues Lopes Silva; Rafael Majuste

Host plant resistance of upland cotton (Gossypium hirsutum L.) genotypes to jassids (Empoasca spp.) in Zimbabwe

Article in Press

Jassid (Empoasca spp) is a key cotton pest in Zimbabwe capable of causing significant yield losses. To manage this pest, among other things, cotton genotypes are screened for tolerance to this pest and only resistant genotypes will be released as commercial varieties. The varieties which were released before for commercial production have high hair density. In the current work, five medium staple genotypes namely...

Author(s):Rangarirai Mapurangaa, Francis Jimu, Blessing Chapepa, Handsen Tibugari, Washington Mubvekeri and Dumisani Kutywayo

COMPARATIVE EFFECTIVENESS OF DIFFERENT WEED MANAGEMENT PRACTICES FOR THE CONTROL OF THE PARASITIC WEED DODDER IN ONION (Allium cepa) IC WEEDS DODDER (Cuscuta sp.), IN ONION (Allium cepa)

Article in Press

Cuscuta reflexa (Dodder weed) is an invasive species in Tanzania, affecting a wide range of crops. To date it has invaded the three main onion growing areas resulting in farmers abandoning their arable land and seeking new uninfected land. In this study weed indices were assessed to monitor the response to various weed management strategies. The study was conducted in the Kilosa district (29° 52' S and 98° 66' E) The...

Author(s):Regan M. Nyoni and K.P Sibuga

ASSESSMENT OF THE NUTRACEUTICAL VALUE OF AQUEOUS Azadirachta indica STEM BARK EXTRACT IN ANIMAL MODEL

Article in Press

This study investigated the effect of administration of acute and sub-lethal dose of Azadirachta indica in animal model. Eighteen (18) mature Wistar albino rats were used to investigate lethal dose LD50 and establish safe dose (SD) in 24 hours. Another 18, divided into 6 Groups A – E were used to investigate the biochemical effect of administration of different doses of the extract. Group A served as control and received...

Author(s):IHIMIRE, INEGBENOSE GODWIN, ALAIYA, H.T., ONOBUN, DESMOND ODIAMEHI

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