臭氧与其他环境因子及其复合作用对植物的影响

综述了臭氧（O₃）浓度升高、太阳辐射减弱、UV-B辐射、CO₂浓度升高及其与O₃复合作用对植物形态特征、光合作用、干物质累积及作物产量等生理生化机制的影响。交互作用的试验条件可以更好地模拟自然环境条件。O₃和UV-B辐射对植物几乎没有积极作用。太阳辐射减弱、CO₂浓度升高都会促进植物营养生长。但太阳辐射减弱降低干物质累积和产量,CO₂浓度升高对其有促进作用。CO₂浓度升高在与O₃复合条件下,可部分缓解太阳辐射减弱对植物造成的伤害。而UV-B辐射与O₃复合对植物造成的伤害更大。

Influences of Ozone and Environmental Factors and Their Interactions on Plants

The paper described the influences of the elevated concentrations of O₃,reduced solar irradiance,the enhanced UV-B and the elevated CO₂ concentration, and their interactions on physiological and biochemical mechanisms, such as morphological characteristics, photosynthesis,dry matter weight and crop yield.The experimental conditions of the interactions of ozone and other environmental factors were much closer to natural environment.O₃ and UV-B radiation didn’t almost have positive effect on plant.The reduced solar irradiance and the elevated CO₂ concentration could accelerate the growth of plant.But the reduced solar irradiance made dry matter weight and crop yield lower,and the elevated CO₂ had a promoting effect on them.Under the condition of the composites with ozone, some of ozone harm to the plants could be partly alleviated.Ozone and UV-B radiation could bring greater damage to the plant.