Researchers have developed maize varieties that are resistant to the necrosis disease.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/disease-resistant-maize
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/star-kenya
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/agriculture
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/maize
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/agricultural-research
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/kenya
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/tanzania
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/africa