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Flag leaves could help top off photosynthetic performance in rice

By | IRRI, News, Plant Science

The flag leaf is the last to emerge, indicating the transition from crop growth to grain production. Photosynthesis in this leaf provides the majority of the carbohydrates needed for grain filling—so it is the most important leaf for yield potential. A team of researchers found that some flag leaves of different varieties of rice transform light and carbon dioxide into carbohydrates better than others. This finding could potentially open new opportunities for breeding higher yielding rice varieties.

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Ancient DNA Continues To Rewrite Corn’s 9,000-Year Society-Shaping History

By | Agriculture, News, Plant Science

Some 9,000 years ago, corn as it is known today did not exist. Ancient peoples in southwestern Mexico encountered a wild grass called teosinte that offered ears smaller than a pinky finger with just a handful of stony kernels. But by stroke of genius or necessity, these Indigenous cultivators saw potential in the grain, adding it to their diets and putting it on a path to become a domesticated crop that now feeds billions.

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What makes peppers blush

By | Agriculture, Fruits and Vegetables, News, Plant Science

Bright red, tasty and healthy, that’s how we know and love bell peppers. A research team has deciphered in detail at the protein level what makes them turn red as they ripen. At the heart of the project are the so-called plastids, typical plant cell organelles in which chlorophyll is broken down and carotenoids are produced as the fruit ripens. Visually, this transformation is clearly visible in the colour change from green to orange or red.

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Chloroplasts on the move

By | News, Plant Science

The genetic material of plants, animals and humans is well protected in the nucleus of each cell and stores all the information that forms an organism. In addition, cells contain small organelles that contain their own genetic material. These include chloroplasts in plants. But is the genetic material actually permanently stored within one cell?

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