Research Papers/Topics in Crop Science

Effect of Modified Atmosphere Packaging and Storage Temperature on the Quality of Green Chilli Pepper Fruits

ABSTRACT The influence o f modified atmosphere packaging (MAP) and storage temperature on the postharvest quality characteristics and biochemical properties o f green chilli peppers (Capsicum sps. cvs Legon 18 and KA2) was investigated. Packaging films; Low Density Polyethylene (LDPE) 35fim non-perforated and perforated, Polypropylene(PP) 80^m nonperforated and perforated (twenty perforations were made on each perforated bag using a pin of diameter 0.14 mm) and LDPE micro-perforated 31.75p.m...

The performance and egg quality traits of Nigerian local hens fed varying dietary levels of palm kernel cake with added palm oil

 SUMMARY A total of 120 local hens at the point of lay were randomly assigned, 2 per cage, with 10 replicates per diet in a completely randomized design, to 6 palm kernel cake (PKC)-based layer diets that contained 20% CP and 2,700 kcal of ME/kg of feed. The PKC was included at levels of 10, 20, 30, 40, and 50% in diets 2, 3, 4, 5, and 6, respectively. Diet 1 without PKC served as the control. To make the diets isocaloric, 0.5, 1.48, 3.35, 5.22, 7.11, and 8.98% palm oil was added to diets 1,...

RELATIVE SUSCEPTIBILITY OF SELECTED MAIZE SEED VARIETIES TO THE MAIZE WEEVIL (Sitophilus zeamais Motschulsky) IN GHANA

ABSTRACT Studies were carried out under ambient laboratory conditions of 25 ± 2°C and 70 ± 5% relative humidity to determine the relative susceptibility of eighteen maize seed varieties to attack by the maize weevil, Sitophilus zeamais Motschulsky (Coleoptera: Curculionidae). The experiment was laid out in a Completely Randomized Design (CRD), with eighteen maize varieties replicated three times. Adult mortality, number of F1 progeny, weevil development time, susceptibility index, seed dam...

MALARIA TRANSMISSION DYNAMICS AND INSECTICIDE RESISTANCE STATUS OF ANOPHELES FUNESTUS (DIPTERA: CULICIDAE) DURING FOUR YEARS OF INDOOR RESIDUAL SPRAYING IN NORTHERN GHANA.

ABSTRACT Malaria remains a major public health problem in Africa, with An. funestus as one of the principal vectors. In the control of malaria, vector control has been successfully implemented in many malariaendemic countries with indoor residual spraying (IRS) as an existing front-line measure. IRS has been implemented in some selected sites in Northern Ghana since 2009 and its effect on the members of An. funestus is poorly understood. Therefore, this study was aimed at investigating the sp...

AETIOLOGY, ECONOMIC IMPORTANCE AND CONTROL OF MANGO (Mangifera indica L.) TREE DECLINE DISEASE IN NORTHERN REGION OF GHANA

ABSTRACT This research was conducted from May, 2015 to July, 2016 in the three mango growing districts of the Northern Region of Ghana to obtain baseline information on farmers’ knowledge and perception on prevalence, spread, economic importance and control of mango tree decline disease; determine disease incidence and severity; identify the causal agent(s) of the disease and to develop a chemical control regime for management of the disease. Questionnaire survey and interviews were used to...

EVALUATION OF THE GROWTH AND YIELD OF SOLANUM LYCOPERSICUM L. PECTOMECH GRAFTS IN ROOTKNOT NEMATODE INFESTED SOILS

ABSTRACT This study evaluated the resistance, agronomic performance, yield, fruit quality and shelf life of Solanum lycopersicum “Pectomech” grafted (cleft method) onto four Solanum spp. rootstocks (Solanum macrocarpon, Solanum aethiopicum, Solanum lycopersicum “Mongal”, and Solanum lycopersicum “Samrudhi”) under four root knot nematode densities (0, 500, 1000 and 5000). It consisted of a greenhouse pot experiment, field pot experiment, and open field experiment. The experimental ...

AN EVALUATION OF THE NEMATICIDAL POTENTIAL OF FIVE BOTANICALS IN THE MANAGEMENT OF MELOIDOGYNE SPP ON TOMATO

ABSTRACT In Ghana, information on plants antagonistic to nematodes is scanty compelling farmers to rely on synthetic chemicals which are effective but pose an environmental threat. This work aimed to evaluate the effect of aqueous leaf extracts of Khaya senegalensis, Tectona grandis, Azadirachta indica, Vernonia amygdalina and Bryophyllum pinnatum plants for the control of Meloidogyne spp. In evaluating the botanicals, a laboratory, field and pot experiments were conducted. The first experime...

INFLUENCE OF DIFFERENT N SOURCES ON THE GROWTH, LEAF YIELD AND QUALITY OF MULBERRY

ABSTRACT The influence of inorganic N sources on growth, leaf yield and quality of mulberry (Morus alba) was studied under field conditions before (Experiment 1) and after (experiment 2) pruning. The treatments consisted of three mulberry varieties (Kanva-2, S-36 and Mysore local) and three N sources (urea, Sulphate of Ammonia and NPK) and a control. The experimental design used was a split plot design. Varieties formed the main plot and N sources the sub-plot factors. The N sources had signi...

GENOTYPIC AND PHENOTYPIC VARIABILITY OF SEEDLING TOLERANCE TO SALINITY OF RICE GERMPLASM

ABTSRACT Soil salinity is one of the most important factors retarding rice growth and development at both vegetative and reproductive stages. This is becoming a major challenge in the production of rice in Ghana and Africa as a whole. This has necessitated the breeding of salt tolerant lines for the future, since population and hence consumption of rice is always on the increase. Thirty-two (32) rice accessions including four (4) checks were screened for salinity tolerance and also used in di...

DETECTION, IDENTIFICATION AND MANAGEMENT OF SEED-BORNE FUNGAL PATHOGENS ON FARMER-SAVED SOYBEAN (Glycine max (L.) Merrill) SEEDS

ABSTRACT Soybean is afected by a wide range of diseases, many of which are seed-borne. Infection by seed-borne pathogens leads to seed rot, low seedling vigour and reduction in plant growth. Seed-borne fungal pathogens on farmer-saved seeds of soybeans were investigated by examining a total of eleven (11) seed samples from two districts (Saboba and Yendi) in the Northern region and one from CSIR-Savanna Agricultural Research Institute (CSIR-SARI). Appearance quality of farmer-saved soybean se...

PHOSPHORUS RELEASE CAPACITY OF PHOSPHATE ROCK – ANIMAL MANURE COMPOST ON THE GROWTH OF LETTUCE AND SOIL CHEMICAL PROPERTIES.

ABSTRACT The experiments were conducted in 2013 cropping season at the University of Education Winneba, Faculty of Agriculture research field in Mampong Ashanti in the forest transitional zone of Ghana on the Bediase series (FAO/ UNESCO : Chromic Iuvisol) to evaluate the effectiveness of three livestock manures and soil in acidulating Togo rock phosphate to release phosphorus, assess phosphorus release capacity of phosphate rock – animal manure compost on the growth of lettuce and soil chem...

EFFECT OF POSTHARVEST WAXING TREATMENTS, YAM VARIETY AND TUBER SIZE ON SHELF LIFE OF WHITE YAM

ABSTRACT A significant quantity of yam tubers gets deteriorated in storage due to sprouting, weight loss, and rotting. There was, therefore, the need to identify cost effective ways of extending postharvest life of yam tubers without compromising with the health of consumers. Therefore, field research was conducted to explore the effect of shea butter & palm kernel oil waxing, yam variety, and tuber size on postharvest shelf life of Puna, Asana, and Punjo varieties of white yam (Dioscorea rot...

INSECTICIDE USE PATTERNS AND RESIDUE LEVELS ON CABBAGE, Brassica olerecea var. capitata L., CULTIVATED WITHIN THE ACCRA-TEMA METROPOLITAN AREA OF GHANA

ABSTRACT Concerns have been expressed by pesticide management specialists about the choice and use of insecticides in cabbage production and fear o f toxic residues on harvested cabbage head. This investigation involves a survey to determine cabbage fanners’ insecticide use patterns and analysis for insecticide residues on samples o f cabbage. The survey revealed that cabbage growers in the Accra-Tema Metropolitan area o f Ghana invariably relied on insecticide retailers/agents for advice o...

RESPONSES OF SOME PROMISCUOUS AND NONPROMISCUOUS SOYBEAN CULTIVARS TO INOCULATION AND PHOSPHORUS APPLICATION

ABSTRACT Pot and field studies were carried out at the University of Ghana, Legon, to evaluate the effect of Bradyrhizobium japonicum inoculation and five rates of phosphorus application on growth, nodulation and dry matter production of some promiscuous and non-promiscuous soybean cultivars in pots and finally the effect of three rates of phosphorus and inoculation on growth, nodulation, dry matter production and yield of a promiscuous cultivar "Bengbie" in the field. In the pot experiment, ...

TRADITIONAL STORAGE PRACTICES ON THE QUALITY OF MAIZE A CASE STUDY IN THE SHAI OSUDOKU DISTRICT IN THE GREATER ACCRA REGION.

ABSTRACT Maize (corn) is one of the most crucial and strategic cereal crops in Africa. Production occurs in all ten regions of Ghana. Despite significant improvement in food storage methods, many communities in Ghana still use traditional storage practices and structures for keeping food and seed. This has led to short falls in maize supply due to high losses and poor quality. Thus the need to determine the effect of traditional practices and storage structures on the quality of maize stored....


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