National Agricultural Seeds Council (NASC): https://nasc.gov.ng/
Food and Agriculture Organization (FAO): http://www.fao.org/home/en/
CGIAR: https://www.cgiar.org/
International Plant Protection Convention (IPPC): https://www.ippc.int/en/
World Intellectual Property Organization (WIPO): https://www.wipo.int/portal/en/index.html
International Union for the Protection of New Varieties of Plants (UPOV): https://www.upov.int/portal/index.html.en
Government Agencies:
1. [Federal Ministry of Agriculture and Rural Development, Nigeria](https://fmard.gov.ng/ )
International Organizations:
1. [Food and Agriculture Organization (FAO)](http://www.fao.org/home/en/ )
2. [International Fund for Agricultural Development (IFAD)](https://www.ifad.org/ )
3. [World Bank](https://www.worldbank.org/ )
4. [International Institute of Tropical Agriculture (IITA)](https://www.iita.org/ )
5. [International Crops Research Institute for the Semi-Arid Tropics (ICRISAT)](https://www.icrisat.org /)
Research Institutions:
1. [National Agricultural Extension and Research Liaison Services (NAERLS)](http://naerls.gov.ng/ )
2. [National Root Crops Research Institute (NRCRI)](http://nrcri.gov.ng/ )
Seed Companies:
1. [Syngenta](https://www.syngenta.com/ )
Agricultural News Sites:
1. [Agriculture.com](https://www.agriculture.com/ )
2. [AgWeb](https://www.agweb.com/ )
3. [Agro Nigeria](https://agronigeria.ng/ )
5. [Premium Times - Agriculture Section](https://www.premiumtimesng.com/category/business/agriculture )
Here are some verified links to the websites of resources that portray useful information about the seed sector of Nigeria and Africa as a whole:
Wageningen University & Research¹: This is a leading research and education institution in the Netherlands that works on various topics related to agriculture, food, and environment. It has several projects and publications on the Nigerian and African seed sector, such as the Nigeria-Netherlands Collaborative Seed Programme (https://www.wur.nl/en/project/Nigeria-Netherlands-Collaborative-Seed-Programme.htm ),
Rapid Assessment of the Nigerian Seed Sector (https://www.wur.nl/en/research-results/research-institutes/centre-for-development-innovation/research-topics/guiding-sector-transformation/the-effects-of-covid-19-on-food-systems-rapid-assessments/nigeria-seed-sector-assessment.htm)
Access to Seeds Index for Western and Central Africa (https://www.accesstoseeds.org/index/western-central-africa/country-profile/nigeria/ ), etc.