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To investigate the biochemical and physiological responses of Masson pine (Pinus massoniana Lamb.) seedlings to lead stress, needles, stems, and roots of two-year-old seedlings were treated with 207PbCO3 for 33 d and then analyzed 1 and 7 d after the treatment was completed. Chlorophyll (Chl) b responded more sensitively than Chl a to needle Pb treatment, and the Chl content in the needles significantly...
In a glasshouse, Bemisia tabaci infestation largely reduced response of photosynthesis to irradiance and CO2 concentration of Mikania micrantha compared with the non-infested control (C) ones. The maximum irradiance-saturated photosynthetic rate (Pmax) and saturation irradiance (SI) of the infested M. micrantha were only 21.3 % and 6.5 % of the C-plants, respectively. B. tabaci infestation led to...
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