Nuclear technology used to develop high altitude barley in Peru
A new video from the International Atomic Energy Agency shows how radiation can be used to make mutations in crop plant DNA. This process applied to a large number of seeds creates a selection of mutants that can be tested to see how well they perform as crops. Research in Peru has led to the…
Where did black sigatoka come from?
Black sigatoka, or black leaf streak disease, a disease of bananas and plantains caused by the fungus Mycosphaerella fijiensis, has caused widespread losses to banana crops over the past 50 years. A new study of the phylogeography of black sigatoka on banana leaves from around the world has helped to elucidate the recent origins of…
The seed social network
A new study by the International Institute of Tropical Agriculture (IITA) looking at cowpea crop diversity following floods and drought in Mozambique has shown that seed sharing networks are a valuable way to maintain, and often improve, crop diversity. Informal sharing and trade of seed within and between local communities in the Limpopo River Valley,…
Fast but furious: High yielding plants linked to poor pest resistance
Breeding plants for fast growth and high yield may make them more susceptible to pests and diseases. New research from the University of Zurich using the model plant Arabidopsis thaliana has confirmed long suspected theory, showing that when plants put more resources into growth they often shut down some defence genes.
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