Ultraviolet radiation causes leaf warming due to partial stomatal closure.
Ultraviolet radiation causes leaf warming due to partial stomatal closure.
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DOI：
10.1093/hr/uhab066
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发表时间：
2022-01-19
影响因子：
8.7
通讯作者：
Paul ND
中科院分区：
文献类型：
--
作者：
Williams TB;Dodd IC;Sobeih WY;Paul ND
太阳紫外辐射的变化引起了从细胞到整株植物的广泛反应。我们在这里首次证明，部分气孔关闭所造成的紫外线照射的结果在叶温显着增加。番茄叶片对紫外线辐射的响应与叶片增温的显著性是一致的。不同的实验方法。在用滤光片减弱太阳紫外线辐射的田间试验中，暴露于紫外线辐射显著降低气孔导度，并使叶温升高1.5°C。用荧光灯提供紫外线辐射处理，由于气孔导度的下降，在多天控制环境的生长室实验和短期（<2小时）气候箱辐照响应实验中，都发生了较小但显著的叶温升高。我们表明，叶片变暖，由于部分气孔关闭是独立的任何直接的变暖效应的紫外线辐射操作。我们讨论了紫外线辐射引起的温室效应对园艺作物生产和更广泛的植物对紫外线辐射的反应的影响。
Variation in solar ultraviolet radiation induces a wide-range of plant responses from the cellular to whole-plant scale. We demonstrate here for the first time that partial stomatal closure caused by ultraviolet radiation exposure results in significant increases in leaf temperature. Significant leaf warming in response to ultraviolet radiation was consistent in tomato (Solanum lycopersicum L.) across different experimental approaches. In field experiments where solar ultraviolet radiation was attenuated using filters, exposure to ultraviolet radiation significantly decreased stomatal conductance and increased leaf temperature by up to 1.5°C. Using fluorescent lamps to provide ultraviolet radiation treatments, smaller but significant increases in leaf temperature due to decreases in stomatal conductance occurred in both multi-day controlled environment growth room experiments and short-term (<2 hours) climate cabinet irradiance response experiments. We show that leaf warming due to partial stomatal closure is independent of any direct warming effects of ultraviolet radiation manipulations. We discuss the implications of ultraviolet radiation-induced warming both for horticultural crop production and understanding broader plant responses to ultraviolet radiation.
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影响因子：
3
作者：
Cahon T;Caillon R;Pincebourde S
通讯作者：
Pincebourde S
影响因子：
6.4
作者：
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通讯作者：
Caldwell, MM
影响因子：
3.1
作者：
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影响因子：
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作者：
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通讯作者：
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影响因子：
6.4
作者：
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通讯作者：
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