Ultracytochemical Localization of Calcium in the Stigma, Style and Micropyle of Sunflower The ecological effects of Pb and Cd on the root activities of wheat Accumulation of silicon in different genotypes of oat grains and its relationship with other eight elements DETERMINING THE PENETRATION CURVE OF CCA PRESERVATIVE SELECTED WOOD SPECIES BY SEM-EDAX-SQ-TECHNIQUE The content of K and Na in epidermis and mesophyll cells of Puccinellia tenuiflora seedling leaves under Na2CO3 stress Accumulation of Ca in different genotypes of rice grains and its relationship with other seven elements Effect of NaCl Stress on Ion Distribution in Root and Growth of Cyclocarya paliurus Seedlings Relation of Stomatal Movement and Ion Content Change of Guard Cells in Populus berolinensis under Water Stress A STUDY ON VA MYCORRHIZAE FORMED ON THE TISSUE-CULTURED PLANTLETS OF PAULOWNIA K+ Accumulation in Poplar Roots Induced by Osmotic Stress