This is a preview. Log in through your library . Abstract Phloem loading in source leaves is a key step for carbon partitioning and passive symplastic loading has been proposed for several tree ...
Sieve tubes play important roles in the transfer of nutrients as well as signals. Hundreds of proteins were found in pure phloem sap collected from rice (Oryza sativa L. cv. Kantou) plants through the ...
R. D. PRESTON (Chronica Botanica, 7, 414; 1943) points out that there is now considerable scope for the botanist, and especially the biophysicist, to make his contribution to the knowledge of the fine ...
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