Air Pollution and Plant Biotechnology: Prospects for by Isamu Nouchi (auth.), Kenji Omasa Ph.D., Hiharu Saji Ph.D.,

By Isamu Nouchi (auth.), Kenji Omasa Ph.D., Hiharu Saji Ph.D., Shohab Youssefian Ph.D., Noriaki Kondo Ph.D. (eds.)

Air toxins is ubiquitous in industrialized societies, inflicting a number of environmental difficulties. it's therefore necessary to video display and decrease pollutants degrees. a couple of plant species already are being exploited as detectors (for phytomonitoring) and as scavengers (for phytoremediation) of air toxins. With advances in biotechnology, it truly is now possible to change crops for a much wider variety of phytomonitoring and phytoremediation functions. pollution and Plant Biotechnology offers fresh leads to this box, together with plant responses in the course of phytomonitoring, pollution-resistant plant species, imaging analysis of plant responses, and using novel transgenic crops, in addition to studies of uncomplicated plant body structure and biochemistry the place applicable. Researchers and scholars operating in plant biotechnology and the environmental sciences or contemplating new components of research will locate this quantity a worthwhile reference.

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Extra info for Air Pollution and Plant Biotechnology: Prospects for Phytomonitoring and Phytoremediation

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The reduced energy status also increases the susceptibility of the trees to other stress factors, such as drought, nutrient deficiency, and biotic pathogens. Thus, the multiple-stress hypothesis, proposed to explain forest decline, suggests that a complex of biotic and abioticfactors interact to influence tree responses to air pollutants. The cause of forest decline in Europe and North America has not yet been unequivocally resolved. At first, the forest decline was thought to be caused by soil acidification and aluminum toxicity resulting from acid rain (Ulrich et al.

The SO, and NO, emitted into the atmosphere may be transformed into particulates that can be transported over long distances. Particulate sulfur and nitrous compounds and SO, or NO, may be incorporated into precipitation by conversion of atmospheric chemical reactions to H2S04 or HN0 3 and result in a decrease in the pH of the precipitation. 6, a value that is in equilibrium with the gas-liquid phase reactions between the atmospheric CO 2 concentration (about 350 ppm) and cloud water. 5 X 10-6 mol/I.

6 24 I. 6 during the early growth stage, the difference was not significant during the middle growth stage or after. 5. 5) of simulated acid rain caused growth or yield reductions of some crops. 5 (Ashenden and Bell 1987). 6 treatment (Ashenden and Bell 1989). One of the most comprehensive dose-response studies illustrating the possible impact of acidic precipitation on crop yield was conducted on greenhouse-grown radish by Irving (1985). 6. 4 throughout the growing season. Jacobson et al. 3. 2 Field Experiments Hypocotyl (root) yields of radish plants were reduced after exposure to simulated acidic rainfall under controlled environmental conditions.

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