MLN Phenotyping Services for Partners

KALRO and CIMMYT have been screening germplasm against MLN in Kenya since Nov 2012. The dedicated screening facility at KALRO Naivasha was established in 2013. This facility now represents a high quality phenotyping platform, permitting large-scale screening of germplasm from regional partners (both public and private sector).

The following table shows the number of entries and rows screened for National Research System (NRS) partners and seed companies since 2014.

 Season NARS Seed Companies
 Entries Rows Entries Rows
 2014A  3409  6761 5594 9226
 2014B  1724  3866  4827  7876
 2015B  3372  5077  3263  4038
 2016A  6785  6785  5410  7734
 2016B  4128  6006  4807  5005
2017A 2671 3379 1569 4285
2017B 1909 2488 2593 2593
 Total 23,998  34,362  28,063  40,757

Partners using the Naivasha screening site in 2015-2017 include:

Partners Benefiting from the MLN Phenotyping Service (2015-17)

Private Sector Institution* Public Sector Institution**
SeedCo KALRO-Kenya
Western Seed EIAR-Ethiopia
Pannar ZARI-Zambia
Monsanto RAB-Rwanda
Pioneer KEPHIS
NASECO Makerere Univ.
Syngenta NARS-South Sudan
Tanseed  Muzambique
Gicheha Farm Malawi
Advanta Seeds Burundi
Victoria Seed  University of Nairobi
TAN seeds
Victoria Seeds

*MLN Screening is done free of charge for NARS

** MLN Screening is done on a cost recovery basis for private sector partners

 MLN phenotyping service given to public and private Partners in 2016

Public partners (NARS)

 Details  Country 2016A 2016B 2016 Overall
Number of entries Total Rows Number of entries Total Rows Number of entries Total Rows
KALRO Kenya 2517 2517 1835 3713 4245 6123
KEPHIS Kenya 180 180 132 132 312 312
EIAR Ethiopia 916 978 632 632 1610 1610
SARI Tanzania 32 32  –  – 32 32
DARS Malawi  –  – 70 70 70 70
IIAM Mozambique 270 270 411 411 681 681
Univ. of Nairobi Kenya 432 432  –  – 432 432
Rongo University Kenya 184 184  –  – 184 184
NARS Burundi 20 20  –  – 20 20
Uganda Uganda 2234 2234 1048 1048 3282 3282
 TOTAL 6785 6785 4128 6006 10,868 14,398

Private Partners

Private companies Season
2016 A 2016 B 2016 Overall
Number of entries Total Rows Number of entries Total Rows Number of entries Total Rows
Monsanto 541 1623 541 1623
Dupont – Pioneer 1491 1571 1662 1662 3153 3233
Syngenta 1090 1288 1090 1288
Seedco 1540 1540 2055 2055 3595 3595
Pannar Seeds 397 397 397 397
Western Seed 331 383 331 383
NASECO 100 200 100 200
East Africa Seed Company 1008 2016 1008 2016
Advanta 2 4 2 4
Total 5410 7734 4807 5005 10,217 12,739

 

Over 120,000 entries have now been screened at Naivasha. A summary of the data is given in the following table:

Season Starting Location Entries* Total Rows
November 2012 Olerai and Sunripe Farm 2,636 5,272
June 2013 Olerai and Marula Farm 8,021 16,042
March 2014 Naivasha Facility 19,539 39,078
October 2014 Naivasha Facility 15,322 20,356
November 2015 Naivasha Facility 17,000 30,000
May 2016 Naivasha Facility 24,530 34,222
October 2016 Naivasha Facility 20,389 24,845
May 2017 Naivasha Facility 13,286 24,602
November 2017 Naivasha Facility 11,630 12,209
  TOTAL 132,353 206,626

To date, close to 90% of materials screened at Naivasha are susceptible under artificial inoculation. However, resistant / tolerant materials have been identified. Four first generation MLN tolerant /resistant hybrids have been released in East Africa and a further 15-20 second generation hybrids are at advanced stages of testing.