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by Someone
58 days ago
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Another next logical question is whether we can engineer plants to get better at capturing solar energy. Turns out we (somewhat) can. See for example https://www.science.org/doi/10.1126/science.aai8878: “Crop plants protect themselves from excess sunlight by dissipating some light energy as heat, readjusting their systems when shadier conditions prevail. But the photosynthetic systems do not adapt to fluctuating light conditions as rapidly as a cloud passes overhead, resulting in suboptimal photosynthetic efficiency. Kromdijk et al. sped up the adaptation process by accelerating interconversion of violaxanthin and zeaxanthin in the xanthophyll cycle and by increasing amounts of a photosystem II subunit. Tobacco plants tested with this system showed about 15% greater plant biomass production in natural field conditions.” It isn’t certain that we can make this work at scale, though. See https://gmopromises.org/article/enhancing-photosynthesis-wit... |
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