• KALRO/CIMMYT MLN Screening Facility Naivasha, Kenya
  • MLN Resources and Information for Africa
  • USAID / CIMMYT Project: Maize Lethal Necrosis Diagnostics and Prevention of Seed Transmission
  • Development of new MLN tolerant / resistant germplasm
  • Scientists interacting at the MLN Screening Site, Naivasha
  • Farmer's field infected with MLN - Detected on a field survey
  • MLN Artificial Inoculation

Latest Updates

  • New Publication: Fighting a destructive crop disease with mathematics

    From Phys.org - An international team of researchers has used mathematical modelling to understand new ways of combating maize lethal necrosis, an emerging disease that poses a serious threat to food security in sub-Saharan Africa. Maize lethal necrosis (MLN) arises from the interaction of two viruses: maize chlorotic mottle virus (MSMV) and a virus from a group named potyviruses, often sugarcane mosaic virus (SCMV). But traditional modelling has focused on understanding just one virus at a time. Read more

  • Maize lethal necrosis quarantine facility opens avenues for introducing novel maize germplasm in southern Africa

    HARARE, Zimbabwe – The maize lethal necrosis (MLN) quarantine facility in southern Africa was officially opened in Zimbabwe on April 20, 2017 to enable safe introduction and exchange of novel maize germplasm from CIMMYT to partners in southern Africa. Read More

  • New Publication: An Atypical Thioredoxin Imparts Early Resistance to Sugarcane Mosaic Virus in Maize

    Sugarcane mosaic virus (SCMV) causes substantial losses of grain yield and forage biomass in susceptible maize worldwide. A major quantitative trait locus, Scmv1, has been identified to impart strong resistance to SCMV at the early infection stage. Read more

  • New cycle of maize lethal necrosis germplasm screening to begin at Kenya site in May 2017

    Partners are invited to send germplasm for the first screening activity for the 2017A planting cycle set to begin in May 2017 at the joint Kenya Agricultural and Livestock Research Organization (KALRO)–International Maize and Wheat Improvement Center (CIMMYT) maize lethal necrosis (MLN) artificial inoculation screening site at Naivasha, Kenya. Read More

  • First planting season begins at the Zimbabwe Quarantine site

    The Maize Lethal Necrosis (MLN) Quarantine Facility at Mazowe, Zimbabwe has begun its operations. The first seed nursery with 13, 239 germplasm entries that arrived from Kenya have been planted for safe seed multiplication. After three weeks of continuous rain in the region, 1.6 hectares of land was planted successfully. Personnel have been trained to conduct activities at the quarantine facility.

  • Stakeholders adopt procedures for production and supply of disease - free seed in the value chain

    On November 30, 2016, the African Agricultural Technology Foundation (AATF) and Alliance for a Green Revolution in Africa (AGRA) conducted a workshop on production and supply of maize seed that is free from Maize Lethal Necrosis in breeder, foundation and certified seed value chain. The objective of the workshop was to discuss and harmonize the Standard Operating Practices (SOPs) to be implemented for production and distribution of MLN free seed. During the workshop, a follow up to the meeting held on May 12-14, 2015 in Nairobi, participants harmonized the SOPs for MLN Management, listened to presentations on seed production and MLN management and shared experience on MLN management and control in Uganda and Rwanda. During the Nairobi meeting, participants deliberated on the need to support seed companies in the production and distribution of MCMV–free maize seed. Consequently, AATF and AGRA had jointly been tasked to facilitate/support the commercial seed sector in the ...