科学与环境

Breeding advance could help protect East African rice harvests from bacterial blight

来源: Phys.org - latest science and technology news stories · 发布于

Breeding advance could help protect East African rice harvests from bacterial blight
来源: Phys.org - latest science and technology news stories

The rice disease bacterial leaf blight (for short: BB) is causing significant yield losses in Asia and Africa. It is triggered by the bacterium Xanthomonas oryzae pv. oryzae (Xoo), which has many distinct regional strains on various continents.

The rice disease bacterial leaf blight (for short: BB) is causing significant yield losses in Asia and Africa. It is triggered by the bacterium Xanthomonas oryzae pv. oryzae (Xoo), which has many distinct regional strains on various continents.

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1.9-million-year-old discovery rewrites the story of human evolution
科学与环境

1.9-million-year-old discovery rewrites the story of human evolution

New evidence suggests that early humans reached the Jordan Valley at least 1.9 million years ago, hundreds of thousands of years earlier than scientists previously thought. Advanced dating methods revealed that the ‘Ubeidiya site is roughly as old as the famous Dmanisi site in Ge

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