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Screening cycle for deadly MLN virus set to begin in Kenya during July 2018

June 21, 2018

The third installment of the 2018 maize lethal necrosis (MLN) phenotyping (screening/ indexing) cycle will be held in July 2018 at the MLN artificial inoculation screening site in Naivasha, Kenya. Interested organizations from both the private and public sectors are invited to send maize germplasm for screening.

In 2013, the International Maize and Wheat Improvement Center (CIMMYT) and the Kenya Agricultural & Livestock Research Organization (KALRO) jointly established the MLN screening facility at the KALRO Naivasha research station in Kenya’s Rift Valley with support from the Bill & Melinda Gates Foundation and the Syngenta Foundation for Sustainable Agriculture.

CIMMYT and partners are dedicated to stopping the spread of this deadly maize disease by effectively managing the risk of MLN on maize production through screening and identifying MLN-resistant germplasm. The MLN screening facility supports countries in sub-Saharan Africa to screen maize germplasm (for hybrid, inbred and open pollinated varieties) against MLN in a quarantined environment.

This is the largest dedicated MLN screening facility in East Africa. Since its inception in 2013, the facility has evaluated more than 120,000 accessions (more than 210,000 rows of maize) from more than 15 multinational and national seed companies and national research programs.

Partners can now plan for annual MLN Phenotyping (Screening / Indexing) during 2018 with the below mentioned schedule. The improved and streamlined approach for MLN phenotyping should enable our partners to accelerate breeding programs to improve resistance for Maize MLN for sub-Saharan Africa.

Schedule for 2018 – annual phenotyping (Indexing / Screening).

When the seeds are available  Planting Period – Planned MLN Screening / Indexing
December Second Week of January MLN Indexing
March Second week of April MLN Screening
June Second Week of July MLN Indexing
August Second Week of September MLN Screening
October Second week of November MLN Indexing

More information about the disease and resources for farmers can be found on CIMMYT’s MLN portal.

Please note that it can take up to six weeks to process imports and clear shipments.

For assistance in obtaining import permits and necessary logistics for the upcoming screening, please contact:

Dr. L.M. Suresh
Tel: +254 20 7224600 (direct)

Email: l.m.suresh@cgiar.org

CIMMYT–Kenya, ICRAF House
United Nations Avenue, Gigiri
P.O. Box 1041–00621
Nairobi, Kenya.


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