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Browsing Theses and Dissertations Collection by Title

Now showing items 13-32 of 102

Detection of pathological isolates of stem rust from selected wheat fields and varieties’ reactions in Tanzania

ALOYCE, Agatha (Sokoine University of Agriculture, Tanzania., 2013)

This study was conducted to determine status of wheat stem rust disease in Tanzania and how the available wheat varieties react to the prevailing isolates of this disease. The study aimed at identifying isolates groups and ...
Developing maize hybrids resistant to Maize Lethal Necrosis Disease from diverse maize inbred lines in Tanzania

Kiyyo, Jacob G. (Sokoine University of Agriculture, 2015)

One hundred maize genotypes of different categories were evaluated for Maize Lethal Necrosis Disease (MLND) resistance in three locations under natural infestation. Sixty inbred lines, thirty landraces and ten improved ...
Development of management options for optimizing water and nitrogen utilization for maize production in Malawi

Mthandi, John (Sokoine University of Agriculture, 2015)

Nitrogen and water management practices are key components in Crop production. Plants cannot grow in soil without water, so too when soil is saturated with water. Plants lacking N show stunted growth and yellowish leaves. ...
Distribution of single nucleotide polymorphism markers towards tagging sources of resistance to cassava brown streak disease in cassava

Sichalwe, K. L. (Sokoine University of Agriculture., 2015)

Cassava roots represent the future of food and income generation for over 800 million people in the world however, its production is threatened by virus disease; Cassava brown streak disease (CBSD). Biotechnology approaches ...
Diversity and genotype x environment interaction of bean landraces in Bukoba and Missenyi districts of Tanzania

Mukandala, Leonard George (Sokoine University of Agriculture, 2011)

A field experiment was conducted during the 2008/09 short rain season in three major agro-ecological zones of Bukoba and Missenyi districts, Tanzania. The agroecological zones were characterized as follows based on the ...
Diversity of finger millet (Eleusine coracana (L.) Gaertn.) genotypes on drought tolerance and yield in Tanzania

Simbagije, R. M. (Sokoine University of Agriculture, 2016)

Studies were conducted to assess the morphological, physiological and genetic diversity of finger millet genotypes with respect to yield and drought tolerance in Tanzania. Alpha lattice field experimental design was ...
Diversity of stem borer egg parasitoids and patterns of parasitism in Morogoro and coast regions in Tanzania

ABDULLA, Nassor Rashid (Sokoine University Of Agriculture., 2007)

Studies to determine the diversity of stem borer egg parasitoids and patterns of parasitism were carried out in Morogoro and Coast regions in Tanzania from January to December 2006. During the cropping season, sampling ...
Diversity, combining ability and coffee berry disease (colletotrichum kahawae) resistance among Ethiopian and Tanzanian Arabica coffee genotypes

Mtenga, D. J. (Sokoine University of Agriculture, 2016)

Background Coffee is the most important stimulant beverage in the world and a major form of cash income for millions of smallholder farmers. The world’s coffee trade is dominated by two types Arabica and Robusta. Arabica ...
Effect of benzlyaminopurine on in vivo multiplication and genetic stability of plantain (Musa spp. AAB) cv. ‘itoke sege’

Kindimba, Grace Victory (Sokoine University of Agriculture, 2013)

In vivo macropropagation either alone or in combination with benzlyamimopurine (BAP) is an alternative simple technique for banana multiplication but has not been applied to recalcitrant plantain such as cv. “Itoke Sege”. ...
Effect of genotype by environment interaction on tea (camellia sinensis l. (o.) Kuntze) yield and quality in selected areas of Tanzania

Msomba, S. W. (Sokoine University of Agriculture, 2018)

The study on response of thirty one (31) improved tea (Camellia sinensis L. (O). Kuntze) genotypes to environment variation and drip irrigation levels were conducted for tea yield and yield components. In same study, five ...
Effect of genotype x environment interaction on yield and yield components of cassava (Manihot esculenta Crantz) genotypes in the Southern zone of Tanzania

Kundy, Aloyce Callist (Sokoine University of Agriculture, Tanzania., 2013)

Cassava (Manihot esculenta Crantz) is a food security crop for most of the populations in the tropical regions of the world, where it ranks fourth as a source of energy, after rice, sugar cane and maize. Twelve cassava ...
Effect of leaf harvest and frequency on growth, yield and quality of sweet potato (Ipomoea batatas L.)

Issa, Elirehema (Sokoine University of Agriculture, 2015)

Despite the potential of improved sweet potato (Ipomoea batatas L.) varieties in both root and fodder production, farmers are persistently cultivating local types without considering proper intensity and frequency of ...
Effect of nitrogen fertilizers on development of rice yellow mottle virus (RYMV) and yield of rice (Oryza Sativa L.)

Losindilo, Martha (Sokoine University of Agriculture, 2015)

Rice Yellow Mottle Virus (RYMV) is the most important pest constraint of rice in Tanzania and other sub Saharan Africa countries. Fertilizer management is recommended to minimize incidence and development of the disease ...
Effect of sequential planting on occurrence and population dynamics of sweet potato weevils on selected varieties in Central Tanzania

Mkuki, L. P. (Sokoine University of Agriculture, 2018)

The sweetpotato (Ipomoea batatas L.) is one of the most important food crops in Africa and the world that is in Tanzania produced in largest quantities in the central Regions where, however, yields are very low due to ...
Effectiveness of cultural practices and sweet potato varieties (Ipomoea batatas Lam) in managing sweet potato weevil (Cylas spp) in Zanzibar

Salum, Salum Abdullah (Sokoine University of Agriculture, 2015)

Field experiments were conducted simultaneously from April to July 2012 at agro- ecologies; Bambi (Latitude 06 o 09’S, Longitude 039 o 16’E; and Altitude 20m above sea level) Central District and Kizimbani (Latitude 05 ...
Effectiveness of cultural practices and sweet potato varieties (Ipomoea batatas Lam) in managing sweet potato weevil (Cylas spp) in Zanzibar

Salum, S. A. (Sokoine University of Agriculture, 2015)

Field experiments were conducted simultaneously from April to July 2012 at agro-ecologies; Bambi (Latitude 06o09’S, Longitude 039o16’E; and Altitude 20m above sea level) Central District and Kizimbani (Latitude 05o54’S, ...
Effectiveness of reduced rates of n on productivity and economic returns of sorghum in Striga Infested Semi-Arid Areas of Tanzania

Malima, M. (Sokoine University of Agriculture, 2017)

Performances of three sorghum (Sorghum bicolor L. Moench) genotypes (Wahi, Hakika and Pato) and inorganic soil amendments were studied under naturally Striga asiatica [L.] Kuntze infestation for one cropping season ...
Effects of elephant feeding on species of acacia along the Great Ruaha river in Ruaha National park, Tanzania

Qolli, Stephano Niima (Sokoine Universitry of Agriculture, 2011)

This study compared the effects of elephant browsing and response between Acacia tortilis and A. kirkii in Ruaha National Park. A total of 30 belt transects were randomly placed in an area of 38.8 km 2 on the northern ...
Effects of environment on growth and yield performance of ten common bean (Phaseolus vulgaris L.) genotypes

Mpayo, Elizabeth Peter (Sokoine University of Agriculture, 2010)

The present study aimed at examining the effect of environment on growth and yield performance of some common bean (Phaseolus vulgaris L.) genotypes. The study was conducted during the season of 2007/2008 at SUA Mlali ...
The effects of grafting on Tomato (Solanum lycopersicum L.) yield and quality

Shipepe, B. (Sokoine University of Agriculture, 2017)

F1 Hybrid tomato cultivars are preferentially grown in Tanzania due to their high yield but are susceptible to some common biotic stresses. Grafting tomato onto compatible and resistant rootstocks has a greater potential ...

Now showing items 13-32 of 102

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