Posts Tagged ‘drought tolerance’

New crop varieties that counter climate change: a best bet for farmers

Stress-tolerant maize varieties are helping farmers produce more food despite climate change. Photo: Johnson Siamachira/CIMMYT.

As the world’s changing climate makes it more difficult to feed a growing population, smallholder farmers need sustainable solutions to improve food security and livelihoods while adapting to the impacts of climate change. Stress tolerant crop varieties offer much-needed answers, as one of the “10 best bet innovations for adaptation in agriculture” according to a new working paper from the CGIAR Research Program on Climate Change, Agriculture and Food Security (CCAFS).

Drought tolerant maize provides extra 9 months of food for farming families

Farmer Joyce Mapeto shucks maize after harvesting her crop in in Pindukai village, Shamva district, Zimbabwe. Photo: Peter Lowe/CIMMYT

A new study from scientists with the International Maize and Wheat Improvement Center (CIMMYT) shows that drought tolerant (DT) maize varieties can provide farming families in Zimbabwe an extra 9 months of food at no additional cost. As climate change related weather events such as variable rainfall and drought continue to impact the southern African nation at an increasing rate, these varieties could provide a valuable safety net for farmers and consumers.

Can drought-resilient maize take pressure off African farmers?

Maize is the most important staple crop in the world.
Photo: FAOALC

Is drought-resilient maize an answer to pressure on African farmers through climate change? The Center for Development Research (ZEF) organised a panel of experts to address this topic in Bonn, Germany.

Maize is an important staple food crop in most of sub-Saharan Africa, and it is grown on around 33 million of the total 194 million hectares under cultivation in the region. However, El Niño and global warming have had a dramatic effect on farming in many areas. The 2015-2016 El Niño event was one of the strongest on record. Among the countries affected in Africa was Ethiopia, which saw its worst drought in decades. The country, which is the continent’s fifth-largest maize producer, suffered huge crop losses, and an estimated 1.35 million farmers were left without new seed.

New selection method allows for rapid development of improved maize varieties

Farmers Nuri Bekele, Tefera Tamirat & Melaka Bekele harvest drought tolerant maize in Ethiopia. Photo: P. Lowe/CIMMYT

Marker-assisted recurrent selection (MARS) is helping maize breeders develop higher yielding and drought-tolerant improved varieties faster than ever before, according to a recent study from scientists at the International Maize and Wheat Improvement Center(CIMMYT).

“With conventional breeding, it often takes up to 7-8 years for varieties to reach farmers,” said Yoseph Beyene, a CIMMYT maize breeder working with the CGIAR Research Program on Maize (MAIZE) and one of the authors of the study. “With MARS, those varieties take only 5 years to reach farmers, and display greater genetic gain, even under drought conditions”