Effect of soil moisture and the phenyl mercuric acetate on the physiology of lupine and safflower |
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| Authors: | A M Ahmed A M Abdel-Rahman A M Hassanein |
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| Institution: | (1) Department of Botany, Faculty of Science, Assiut, Egypt;(2) Department of Botany, Faculty of Science, Sohag, Egypt |
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| Abstract: | Transpiration rate, leaf area, the content of nitrogen and saccharides decreased with the decrease in soil moisture content
from 90 % to 30 % of full field capacity. Stomatal frequency, fresh and dry matter and the chlorophyll and carotenoid contents
of lupine or safflower remained more or less unaffected. After spraying with the antitranspirant (PMA) the saccharide contents
were raised. As concern the lipids content and the contents of Ca, Mg and P, treated plants exhibited variable response to
both drought stress and spraying with various PMA concentrations. |
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