نتایج جستجو برای: جوالدوز catalpa bignonioides

تعداد نتایج: 112  

Journal: :Plant physiology 2004
Robert Turgeon Richard Medville

The incidence of plasmodesmata in the minor vein phloem of leaves varies widely between species. On this basis, two pathways of phloem loading have been proposed: symplastic where frequencies are high, and apoplastic where they are low. However, putative symplastic-loading species fall into at least two categories. In one, the plants translocate raffinose-family oligosaccharides (RFOs). In the ...

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