Although climate change is a global phenomenon, its impacts vary depending on region and season. To formulate appropriate adaptation options and ensure timely responses, we first need to better understand the potential impacts of climate change on maize yield and production, on different spatial and temporal scales.

The state of Haryana, India’s breadbasket, faces a major challenge due to the excessive use of nitrogen fertilizer (N: P: K = 27.2: 9.8: 1) in agriculture. The overuse of nitrogen fertilizer in the rice-wheat systems of Haryana has led to high production costs, low efficiency, environmental pollution and nitrate contamination of groundwater, which causes blue baby syndrome in young children.

Scientists have made progress in identifying maize varieties that could combat maize lethal necrosis (MLN) disease, reported SciDev.Net Sub-Saharan Africa last month in the article “Experts on track to create maize varieties to tame virus” by Robin Hammond.

A training course on developing stress-resilient maize for early-/mid-career maize breeders from national programs, agricultural universities and seed companies, especially small and medium enterprises (SMEs), was held at CIMMYT-Hyderabad, India, on 15 May 2015. The course was open to partners in the Heat Tolerant Maize for Asia (HTMA) project and members of the International Maize Improvement Consortium (IMIC-Asia). It covered key aspects of precision phenotyping, including enhancing precision of field trials, managing adequate levels of stress to express available genotypic variability, using advanced tools to capture data efficiently and precision in recording various traits in phenotyping trials.