Root and Tuber Division

Roots and tubers are exceptionally important crops due to their food and nutritional security and income generation attributes. The Roots and Tubers Division (R & T Division) is one of the eleven (11) divisions and one of the four (4) technical Programmes of CSIR-CRI.  

The R & T Division evolved from the National Roots and Tuber Project, which was a Specialized Commissioned Project of the Government of Ghana. With its Head Office in Fumesua, The R & T Division’s vision is to become a Centre of Excellence for innovative and quality agricultural research on roots and tubers for development. It therefore, aims at developing and disseminating appropriate end-user preferred technologies for higher and sustainable production and utilization of roots and tuber crops both at the national and international levels. The division hosts the CORAF’s Roots and Tubers Regional Center of Excellence at the Institute.

Areas of Specialization
The division specializes in the improvement of cassava, cocoyam, taro, sweetpotato and yam and the dissemination of technologies developed through research on these crops.

Specific areas of specialization are;

  • Development, release and dissemination of high yielding end-user preferred roots and tuber crop varieties tolerant to biotic and abiotic stresses.
  • Production of quality-declared planting materials
  • Capacity development of stakeholders or actors along roots and tubers value chain
  • Enhanced balance between gender in R & T research, technology development, dissemination and capacity development
  • Effective monitoring and evaluation system in R & T research, technology development and dissemination
  • Effective communication of research results and delivery of technologies to clients
  • Project proposal development and submission for research fund
  • Development of strategic partnership with corporate and research agencies in Ghana and beyond.

Research Outputs/Technologies
The division has released fifty (50) improved crop varieties as at November 2018. These consist of eighteen (18) cassava varieties, three (3) cocoyam varieties, four (4) taro varieties, eighteen (18) sweetpotato varieties and seven (7) yam varieties. These varieties are higher yielding, highly preferred by end-users and tolerant to major biotic and abiotic stresses. These varieties also have varied domestic uses and applications in industry. The Division has also produced numerous refereed journal articles in reputable journals and many technical reports to development partners, donors, agencies and clients.

Research Interests

  • Holistic improvement in cassava, cocoyam, taro, sweetpotato and yam spanning the development of crop varieties acceptable by end-users, and the use of good agricultural practices to ensure high productivity and good quality produce of root and tuber crops.
  • Characterization of local root and tuber crops.
  • Quantitative variability and expected genetic gain from selection for root and tuber crops
  • Exploitation of genetic variability through hybridization and selection aimed at improving earliness to maturity, storage roots/tuber yield, quality traits enhancement and resistance/tolerance to major diseases and pests.

Areas of Collaboration

  • Development, release and dissemination of high yielding end-user preferred roots and tuber crop varieties tolerant to biotic and abiotic stresses.
  • Production of quality-declared planting materials
  • Capacity development of stakeholders or actors along roots and tubers value chain
  • Effective monitoring and evaluation system in R & T research, technology development and dissemination
  • Effective communication of research results and delivery of technologies to clients
  • Project proposal development and submission for research fund

The R & T Division is organized into four (4) Technical Units/Programmes each headed by a Head of Programme. The Units/Programmes are the Cassava Improvement Programme, Cocoyam Improvement Programme (Colocasia esculenta and Xanthosoma sagittifolium), Sweetpotato Improvement Programme, and the Yam Improvement Programme. The Division is Head by a Head of Division.

The division currently has a staff strength of 37 comprising scientists, principal technologists, technical staff as well as NABCO and national service persons.

Resources and Crops Management / Socioeconomics Division

The Resources and Crops Management and Socioeconomics Division (RCM/SE) is a scientific division crafted during the Ghana Grains Development project in the 1990s. RCM/SE is one of the eleven (11) divisions of the CSIR-Crops Research Institute. The goal of the Division is to develop technologies and innovations for sustainable agriculture production. The division considers whole farm situations including socioeconomics and environmental factors in the development of interventions.

The division develops and provides research-based information on soil, crop and cropping systems management practices that impact soil health, greenhouse gas emissions, crop productivity and environmental services. The division therefore delivers suitable and safe approaches to agricultural development in Ghana.

Areas of Specialization
The division specializes in the development of improved agronomic and climate smart crop technologies to complement the crop varieties’ developments in the Institute. It also focuses on providing feedbacks for policy formulations on end users of agricultural technologies.  Specific areas of specialization are:

  • Identification of crop production constraints with stakeholders
  • Conducting on- farm research to verify improved crop management practices
  • Conducting on-farm trials on improved crop varieties
  • Development and dissemination of agricultural mechanization and irrigation equipment for improved crop production
  • Development and dissemination of climate smart technologies for improved productivity
  • Development of crop production training manuals
  • Conducting baseline, adoption and impact surveys
  • Conducting economics analysis on developed technologies and farming practices
  • Conducting market surveys on developed technologies

Research Outputs/Technologies

  • Developed diverse cropping systems including cereal-legume rotation and tree-crop integration for climate change adaptation and increased productivity.
  • Developed fertilizer requirements and recommendations for cereals, legumes, root and tubers and horticultural crops.
  • Developed planting distances and spatial arrangement of crops for improved yield
  • Developed economic data on on-farm trials and on station trials
  • Live-staking and reduced staking options for sustainable yam production
  • Mechanized ridging as alternative to mounding for yam production
  • Integrated soil fertility management options for sustainable yam production
  • Sett size and planting density for manipulation of yam tuber sizes
  • Produced data on adoption rates, impact analysis on agricultural technologies
  • Produced gender mainstreaming documents in agricultural development
  • Produced training materials

Research Interests
The division is interested in understanding the mechanisms by which plants respond to changes in the soil environment; increase understanding of the soil–plant–water relationships; integrated crop and nutrient management (NQ); climate smart agriculture practices for mitigation and adaptation and how this knowledge can be exploited to maximize productivity. The division is very much involved in resource use efficiency research such as irrigation scheduling and deficit irrigation.

We conduct research in agricultural and resource economics, prepare reports, and formulate plans to aid in solution of economic problems arising from production and distribution of agricultural products and services. We collect and process economic and statistical data using econometric and sampling techniques. We also conduct research in gender integration in agricultural production using qualitative and quantitative techniques.  We use the predictions obtained from research to inform, influence, and improve the decisions of end users and agricultural organizations.

Plant Health Division

The Plant Health Division’s main aim is to find sustainable and environmentally friendly solutions to pests and diseases problems/challenges on mandate food and industrial crops.

Areas of specialization

The division specializes in the following disciplines:

  • Plant pathology (mycology)
  • Plant Virology
  • Nematology,
  • Entomology
  • Biological control
  • Weed Science

Research outputs and technologies
The division’s primary focus is the management of pests and diseases that affect the Institute’s mandate crops. Some technologies developed by the division include healthy seed yam production using neem leaf powder. Other technologies developed in collaboration with breeders include the development of diseases and pests resistant crop varieties which are currently being used by Ghanaian farmers as well as the identification of diseases and pest hotspots for breeding of crop varieties.

The division also researches into optimization of various protocols for laboratory and field detection of disease pathogens and pests in the country.


Research interests
Plant pathology (mycology): Detection of causal organisms of plant fungal diseases, management and epidemiological studies.
Virology: Plant viral diseases detection, management and epidemiological studies, especially on mandate crops.
Nematology: Research on plant parasitic nematodes on vegetables, food and industrial crops with emphasis on integrated management and exploitation of entomopathogenic nematodes for managing insect pests
Entomology and biological control: Research on pests and other beneficial organisms to manage crop pests. Appropriate use of insecticides for integrated crop pests and disease management in an environmentally sustainable manner.
Weed Science: Research on obnoxious and other weeds for improved crop productivity in a sustainable environment.

Areas for collaboration/partnership

The division collaborates with the other divisions in a wholistic manner to discharge the overall mandate of the Institute through joint and inter-discipline research programmes. The division also collaborates with external organizations and institutions to address pests and disease issues of general interests for the benefit of all stakeholders.

The division has a divisional head. Each section is also headed by a sectional head. The division can also boast of research scientists, principal technologists, technical Officers and technical Assistants in addition to National Service personnel and NABCO staff who assist in diverse ways.
The Division is currently headed by Dr. Yaw Danso, Research Scientist.

BRIEF ON CSIR-CROPS RESEARCH INSTITUTE

The CSIR-Crops Research Institute is a public research institute established in 1964 and transformed into its current form by CSIR Act 521 in 1996. It is the largest of the 13 Institutes under the Council for Scientific and Industrial Research (CSIR) and mandated to develop and transfer agricultural innovations and technologies relating to food and industrial crops in Ghana.  With its headquarters in Kumasi, CSIR-CRI’s vision is to become a Centre of Excellence for innovative and quality agricultural research for development. As a result, the Institute aims at developing and disseminating appropriate technologies for high and sustainable food and industrial crop production both at the national and international levels.
The Institute is organized into several technical and non-technical Divisions with each headed by a Head of Division. The Divisions include Horticulture Improvement, Cereals Improvement, Roots and Tubers Improvement, Plant Health, Resource, Crop Management and Socio-Economics, Legumes and Oil Seed Improvement, Biotechnology, Seed and Postharvest, Commercialization, Scientific Support Services, Administration and Finance. The Institute is headed by a Director assisted by a Deputy Director. The Institute offers services and products to all the food and industrial crops value chain actors. Key among these actors are farmers, agricultural extension personnel, seed companies, exporters, agro input suppliers, manufacturing companies, international agencies and government.
The Institute currently has a staff strength of 572 with over ninety (90) senior members (research scientists and technologists), and the remaining being field and office staff. The Institute over the years has developed several technologies for farmers and industry. These technologies range from new improved and high yielding crop varieties through agronomic and plant health to post-harvest technologies. The Institute also collaborates with several institutions both locally and internationally.