Working Document Series Open Access In vitro evaluation of Leonotis nepetifolia L. and Ocimum gratissimum L. plant extracts against Colletotrichum lindemuthianum J. G. Nyaanga · S. O. Ochola · K. O. Ogayo · J. O. Ogendo +2 more The potential of crude plant extracts as antimicrobial agents has been demonstrated both in animal and plant health. Extracts with potential for control of plant pathogens such as Colletotrichum lindemuthianum (causal agent for bean anthro… RUF-34059 2014 CC BY 4.0 12 Aug 2015
Working Document Series Open Access Heavy metal distribution in soils of some urban and peri-urban horticultural farms in Botswana J. Agbenin · T. Mpuisang · T. Mubyana-John · L. C. Obuseng +1 more Despite the fact that there is high usage of agrochemicals and use of urban waste water for irrigation, the concentration of potentially toxic metals in urban and peri-urban agriculture (UPA) farms has not been widely investigated in Botsw… RUF-34051 2014 CC BY 4.0 12 Aug 2015
Working Document Series Open Access Farming characteristics in urban districts of Nairobi county - Kenya A.W. Kihurani · P.W. Masinde · J.B. Mukundi · J. N. Njenga Urban farming practitioners face challenges like lack of quality irrigation water, poorly decomposed manure, diverse inputs of unknown sources, unhealthy farm environment and abject poverty. All these contribute to production of unsafe foo… RUF-34041 2014 CC BY 4.0 12 Aug 2015
Working Document Series Open Access Epidemiology of Tomato Curly Stunt Virus in Mozambique C. Ecole · B. F. Francisco · A. M. Mondjana · B. A. Nhaulaho +2 more Tomato (Lycopersicon esculentum) has a great socio-economic importance in Mozambique, since it is one of the sources of income for many families. However, its continuous production throughout the year provides conditions for the overwinter… RUF-34036 2014 CC BY 4.0 12 Aug 2015
Working Document Series Open Access Isolation and characterisation of Chilembwe and Sinda rock phosphate solubilising soil microorganisms A. P. Armstrong · G. Chilombo · E. A. Eckhardt · A. Mutiti Mweetwa +3 more The availability of native phosphorus in most Zambian agricultural soils is relatively low. This necessitates the use of organic and inorganic fertilizers for crop production. There are several deposits of rock phosphate in Zambia that can… RUF-34020 2014 CC BY 4.0 12 Aug 2015
Working Document Series Open Access Selection for short day adaptation in vegetable runner bean in Kenya P. M. Kimani · M. M. Mulanya Runner bean (Phaseolus coccineus L.) offers considerable potential as a high value vegetable and grain crop for domestic and export markets in eastern Africa. However, production and utilisation of vegetable runner beans in Kenya is severe… RUF-34006 2014 CC BY 4.0 12 Aug 2015
Working Document Series Open Access Assessment of pests incidence and their impact on yield of sweetpotato in Mozambique D. Cugala · I. Mugovo · L. Santos The sweetpotato (Ipomoea batatas L.) is important food and cash crop and is considered as one of the most important crop for food security in Mozambique. Sweetpotato is grown extensively by small scale households and mostly managed by wome… RUF-34001 2014 CC BY 4.0 12 Aug 2015
Working Document Series Open Access Ramifications of variations in quality of pasture seed lots marketed in Uasin Gishu, Kenya L. Gohole · W. Motanya · R. Muasya · J. Ochuodho The low levels of germination, varied vigour and long periods required to attain required stand establishment in pasture fields compromises the expected quality standards of marketed seed. This study was carried out to explore the effects … RUF-33991 2014 CC BY 4.0 12 Aug 2015
Working Document Series Open Access Assessment of the occurrence of natural enemies associated with invasive coconut whitefly in Inhambane province, Mozambique D. Cugala · L. Jose · O. Miguel The whitefly (Aleurotrachelus atratus Hempel) is a Neotropical whitefly, originally described from coconut (Cocos nucifera) in Brazil. In the Comoro Islands, A. atratus was responsible for an economic loss of 55% to local coconut producers… RUF-33976 2014 CC BY 4.0 12 Aug 2015
Working Document Series Open Access Evaluation of exotic cowpea genotypes for grain yields in autumn, winter and summer seasons Ahmed Osman Abunearan Medani Cowpea (Vigna unguiculata) as leguminous crop was being needed by the people to supplement their diet in form of protein. Our local cultivars did not provide the continuous yields throughout the year; therefore the current research is requ… RUF-33973 2014 CC BY 4.0 12 Aug 2015
Working Document Series Open Access Response of commonly cultivated legumes in Zambia to non-indigenous legume inoculants J. S. K. Banda · Ndashe Kapulu · Malama Mulenga · A. Mutiti Mweetwa +2 more The use of inoculants is a critical strategy in legume production. Several factors determine the efficiency of an inoculant, including the competitiveness of the inoculated against indigenous strains. Although Rhizobia seems to be widely d… RUF-33969 2014 CC BY 4.0 12 Aug 2015
Working Document Series Open Access Assessing the efficacy of integrated pest management strategies for suppressing Bactrocera invadens in selected orchards in Manica Province, Mozambique D. Cugala · S. Ekesi · A. Majacunene The invasive fruit fly, Bactrocera invadens, was first detected in Mozambique in 2007 (Cuamba District, Niassa Province) and is now well established and widespread in the North and central regions. Direct damage to mango and guava due to B… RUF-33960 2014 CC BY 4.0 12 Aug 2015
Working Document Series Open Access Minjingu phosphate rock extractability by white lupin and chickpea in Njoro and Kiambu sub-counties, Kenya J.J. Lelei · R. O. Onwonga · J.P. Ouma Declining phosphorus (P) fertility is a major production constraint in Kiambu and Njoro subCounties of Kenya. Use of Minjingu phosphate rock (MPR) to rebuild soil capital P is limited by its insolubility in water. Field experiments were co… RUF-33952 2014 CC BY 4.0 11 Aug 2015
Working Document Series Open Access Mutation breeding in irish potatoes M. Kinyua · O. Kiplagat · F. K. Kiunga The cultivated potato (Solanum tuberosum L.) originated from the Andean region of South America. Kenyan farmers started potato cultivation in 1920 and entered the export market in 1923. However, while average potato yields in North America… RUF-33950 2014 CC BY 4.0 11 Aug 2015
Working Document Series Open Access Does long-term low-rate organic and inorganic nitrogen management guarantee maize yield under semi-arid conditions of eastern Kenya? M. Oscar Kisaka · F.S. Mairura · M.W. Mucheru-Muna · D.N. Mugendi +2 more Drier parts of Embu County endure high atmospheric heat, prolonged dry spells, declining soil fertility and erratic rainfall. Integrated soil fertility management (ISFM) technologies have been developed, and tested, with standardized appli… RUF-33948 2014 CC BY 4.0 11 Aug 2015
Working Document Series Open Access Application of mutation techniques to determine the optimum sensitivity dose for sorghum E. Chepkoech · S. Kimno Sorghum (Sorghum bicolor L.) is the fifth most important cereal crop of the world and serves as a major staple food and fodder resource, especially in arid and semi-arid regions. This crop has a big potential to be grown and cultivated owi… RUF-33946 2014 CC BY 4.0 11 Aug 2015
Working Document Series Open Access Developing ecological management strategies for virus diseases of tomato in Uganda S. Ahabwe · H. Jurua · J. Karungi · M.K.N. Ochwo-Ssemakula +1 more Tomato (Lycoperscum esculentum) is one of the priority crops considered to drive development and food security in Uganda. However, severe levels of viral diseases have been found to constrain productivity in Uganda: A survey found mean inc… RUF-33944 2014 CC BY 4.0 11 Aug 2015
Working Document Series Open Access Sampling scheme for mapping variability of soil hydraulic properties in an agricultural area in Tanzania D. J. Brus · J. Kaingo · B. P. Mbilinyi · S.D. Tumbo Management of water in cropping systems necessitates a characterisation of spatial variability of soil hydraulic properties (SHP) (water retention and hydraulic conductivity). Digital soil mapping (DSM) provides a toolset of statistical me… RUF-33939 2014 CC BY 4.0 11 Aug 2015
Working Document Series Open Access Assessment of the socio-economic impact of the invasive fruit fly Bactrocera invadens (Diptera:Tephritidae) in Mozambique D. Cugala · M. De Meyer · L. Jose · L. Santos Fruit flies are among the most important pests of fruits and vegetables in the world. The invasive fruit fly Bactrocera invadens (Diptera:Tephritidae) was first detected in Africa in 2003 in Kenya, has spread to at least 27 countries attac… RUF-33931 2014 CC BY 4.0 11 Aug 2015
Working Document Series Open Access Identification of tomato varieties resistant to Tomato Curl Stunt Virus in Mozambique J. Bokossi · E. Chilembwe · C. Ecole · B. Filipe +5 more The importance of tomato (Lycopersicon esculentum) as source of food and income generation in Mozambique is threatened by proliferation of a viral disease called Tomato Curly Stunt virus (ToCSV) which belongs to the Geminiviridae Family (B… RUF-33922 CC BY 4.0 11 Aug 2015
Working Document Series Open Access Response of tepary beans to plant density in Middleveld, Swaziland D. M. Dlamini · O. T. Edje A landrace of tepary beans [Phaseolus acutifolius ] locally known as nsambasamba, literally meaning high yielding, is a relatively new crop in parts of Swaziland. The white, small-seeded [34 g/100 seeds], is popular in drought-prone areas … RUF-33910 2014 CC BY 4.0 11 Aug 2015
Working Document Series Open Access Conservation agriculture I: Effects of legume crop species on ground cover, soil moisture retention, weed suppression and litter fall on maize yield in Swaziland D. M. Bhekizizwe · O. T. Edje The reintroduction of conservation agriculture in Swaziland required information on crop species that could provide ground cover, suppress weeds and conserve soil moisture. A field experiment was conducted at the Malkerns Research Station … RUF-33903 2014 CC BY 4.0 11 Aug 2015
Working Document Series Open Access Assessment of establishment of released parasitoid as biological control agent against the invasive fruit fly D. Cugala · R. Cumbe Fruit flies (Bactrocera invadens) are considered the most important and devastating pests of fruits and vegetables in the World due to their potential to cause damage in fruits. In Mozambique, classical biological control is viewed as a po… RUF-33895 2014 CC BY 4.0 11 Aug 2015
Working Document Series Open Access Effects of applying different levels of P fertiliser on growth and yield of soybean varieties in Mozambique O. Chichongue · M. Clarinda Pereira · Oya Tetsuji Soybean (Glycine max L. Merrill) can be successfully grown in many provinces in Mozambique using low agricultural input. Soybean cultivation in Mozambique has expanded as a result of its nutritive and economic importance and diverse domest… RUF-33892 2014 CC BY 4.0 11 Aug 2015
Working Document Series Open Access Selection for pod quality, pod yield and disease resistance in climbing snap beans J. J. Cheptoo · P. M. Kimani · R.D. Narla Although climbing snap bean have the potential of increasing productivity and competitiveness in domestic and export markets, suitable varieties with market demanded pod quality characteristics and preferred agronomic traits are not availa… RUF-33885 2014 CC BY 4.0 11 Aug 2015
