Department of Crop Science and Horticulture: Recent submissions

Now showing items 1-20 of 249

Conflict as motivation for change: the case of Coffee farmers’ cooperatives in Moshi, Tanzania

Mhando, David Gongwe (2014)

The policies of the Tanzanian government regarding cooperative societies have never been consistent, and frequent policy changes have shaken the foundation of these institutions, rendering farmers’ cooperatives unstable ...
Influence of soil fertility management on striga reproduction and grain yield of sorghum in semiarid areas of Tanzania

Kudra, Abdul (2011)

Kudra A., 2011. Influence of soil fertility management on Striga reproduction and sorghum grain yield in semiarid areas of Tanzania. PhD thesis, Faculty of Agriculture, University of Nairobi. Witchweed (Striga), a root ...
Production and marketing of orange in two Villages in Muheza district, Tanzania

Mhando, David Gongwe; Ikeno, Jun (Textversion, 2018-03)

This study examines the current situation and challenges in orange production and marketing in Muheza District, Tanga Region, Tanzania. Tanga Region is a major orange production area in Tanzania, and it is estimated that ...
Effects of genotype on yield and yield component of soybean (Glycine max (L) Merrill)

Lyimo, Liberatus Dominick; Tamba, Musa Rashid; Madege, Richard Raphael (2017)

In 2013, the multi-location trial was implemented to evaluate the new soybean genotypes for their agronomic performance against the local check. The experiment was conducted in three locations namely Ilonga, Kibaha, and ...
Relationship between symptoms expression and virus detection in cassava brown virus streak-infected plants

Rwegasira, Gration M.; Rey, Chrissie M. E. (Canadian Center of Science and Education, 2012)

Diagnosis of Cassava brown streak disease (CBSD) has for long been based on foliar and root symptoms expression on infected plants. Variability in patterns of symptoms expression between varieties and seasons however, ...
Prevalence of sweet potato virus vectors in lake victoria basin of Tanzania: a challenge to disease management techniques

Rwegasira, G. M. (David publishing, 2021)

: A series of experiments were conducted from 2003 to 2005 to determine the major mechanism through which sweet potato virus disease (SPVD) is spread in farmers’ fields in the Lake Victoria basin of Tanzania. Farmers’ ...
Mapping of quantitative trait loci (QTL) related to yield, nut quality and plant size of cashew (anacardium occidentalel)

Mzena, Geradina P.; Kusolwa, Paul M.; Rwegasira, Gration M.; Yao, Nasser K. (2017)

Improvement of yield, nut quality and plant size in cashew is a complex process through conventional technique. It takes at least 9-12 years to develop new varieties, this causes inadequate supply of improved planting ...
Diversity of common bean (Phaseolus vulgaris L.) Genotypes in iron and zinc contents under screenhouse conditions

Tryphone, George Muhamba; Nchimbi-Msolla, Susan (2010)

Deficiencies in iron and zinc have health consequences for humans, such as anaemia, poor growth and development in children and low productivity in adults. To guarantee sufficient supply of iron and zinc through diet ...
Climate change; Farm level definition, causes, perceived impacts and coping mechanisms in three farming systems of Tanzania

Madege, Richard Raphael; Msemwa, John; Lymo, Dominick (2016)

Despite the numerous general codes of practices to adapt to climate change, many farming communities are still vulnerable partly due to lack of locally adapted measures. This research was conducted to establish ...
Influence of water management farming practices on soil organic carbon and nutrients: a case study of rice farming in kilombero valley, Tanzania

Alavaisha, Edmond; Tumbo, Madaka; Senyangwa, Jacqueline; Mourice, Sixbert (mdpi, 2022)

Water scarcity and nutrient availability for rice farming have become great matters of concern in the contexts of climate change and land use change globally. Both interact and contribute to crop productivity at the ...
Efficiency of non-vector methods of cassava brown streak virus transmission to susceptible cassava plants

Rwegasira, GM; Chrissie, MER (2015)

Several etiological and epidemiological studies have been undertaken to determine the disease causal agent and the mechanism of spread of Cassava brown streak disease (CBSD). Until recently, two distinct potyviruses ...
The impacts of current climate variability on coffee production in the northern and southern highlands of Tanzania

Mbwambo, Suzana G.; Mourice, Sixbert K.; Tarimo, Akwilin J. P. (Canadian Center of Science and Education, 2021)

Coffee is the most traded commodity in the world. In Tanzania, Coffee is the second largest traditional commodity. However, several climate change studies have predicted that coffee production will be reduced as a result ...
Yield Advantage of Elite Cereal and Legume Genotypes in Varying Potential Agro-ecologies of Central Tanzania

Wabwire, Simon; Chilagane, Luseko Amos; Msuya, Dunstan Gabriel (2021)

Ten elite genotypes in total (of groundnut, pigeon pea, sorghum and pearl millet) and four local checks (one for each crop) were used in the study to identify legume and cereal genotypes of higher productivity in the ...
Impacts of urban waste use on soil microbial activities in urban agriculture

Rayim, Wendé Alice Naré; Boua, Stephania; Nadege Zerbo, Rockia Marie; Madege, Richard (2019)

Urban waste use in agriculture is a common practice in West Africa, especially in Burkina Faso. The contribution of urban waste to improve soil fertility in well know. However few studies have been done on the impact of ...
Banana xanthomonas wilt: occurrence and means of transmission in Kagera, Mwanza and Mara regions of Tanzania

Hashim, Ibrahim; Mabagala, Robert B (2016-02)

Abstract: Banana Xanthomonas wilt (BXW) disease is a major constraint of banana production in the Lake zone (Kagera, Mwanza and Mara) regions of Tanzania where banana plays an important role as a staple food and cash crop. ...
Seasonal variations of nematode infection in Small East African goats and their crosses with Boer and Saanen reared under extensive and semi- intensive systems

Muhikambele, Vedasto; Chenyambuga, Sebastian; Mbaga, Said (2010-04)

A study was conducted in Turiani (sub-humid environment) and Mlali (semi-arid environment) to assess the seasonal variation of nematode infection in Small East African (SEA) goats and F 1 crosses of SAE with Saanen and ...
Comparison of production performance and tolerance to helminthosis of toggenburg and Norwegian crossbred goats under smallholder production systems in Tanzania

Chenyambuga, S. W; Shija, D. S; Kusiluka, L. J. M; Lekule, F. P (Taylor & Francis Group, 2015-08)

This study was carried out to compare the growth rate, lactation performance and tolerance to gastrointestinal nematode infection of Toggenburg and Norwegian breeds in Kongwa district, Tanzania with a semi-arid environment ...
Races of Colletotrichum lindemuthianum (Sacc. & Magnus) Briosi & Cavara in major bean growing regions in Tanzania

Mpeguzi, Masunga; Susan, Nchimbi-Msolla; Mabagala, Robert; Chilagane, Luseko Amos (Academic Journals, 2020-06)

Breeding for resistant varieties has been shown to be the most suitable method to control bean anthracnose caused by Colletotrichum lindemuthianum though the method is challenged by the existence of many races of the ...
Completion of a Success Story or an Opportunity Lost?

Lunogelo, H. Bohela; Sibuga, Kallunde Pill; Celander, Thorsten (2003-05)

The Soil and Water Conservation Project in Arusha Region was implemented in 1989–2000. The rationale for the project was to address serious land degradation problems around Mount Meru. The entry points was both technical ...
Temporal abundance and distribution of rice yellow mottle virus vectors in farmers’ fields in Morogoro, Tanzania

January, Bonaventure; Rwegasira, Gration M (2017-08)

ice yellow mottle virus (RYMV), endemic to Africa, is spread within and between rice fields by several species of Chrysomelid beetles and grasshoppers. In Tanzania and particularly in Morogoro, the virus is increasingly ...

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