Alter young infiorescent stalks of intact, actively transpiring Yucca flaccida „ „ Haw. plants
were wounded an exudate was obtained. Its flow continued for several weeks provided there …

Bleeding inflorescence stalk tips of 10-15 cm length, still attached to the plant, were cooled
in melting ice. The result was a considerable prolongation of the exudation period. …

Brief communication sample appeared samples, phloem composition was symmetric 95
phosphorus could not relatively high; owing Page 1 Acta Bot. Neerl. 29 (4), August 1980, p. 307-…

Analyses of ripe fruits of Cocos nucifera and Phoenix dactylifera carried out at the author’s
laboratory, and data on the composition of the developing fruits of these palms derived from …

On October 10, 1974, sieve tube exudate samples were collected from a small number of 16-20
years old Quercus rubra trees growing in the woods near Lunteren. The method of …

14C (U) L-glutamic acid was supplied to the roots of young tomato plants. After a four hours’
uptake period all the amino acids present in the root proteins were weakly labelled, but of …

Solutions of 14 C‐labelled amino acids were allowed to percolate through the xylem vessels
of tomato stem parts. The amounts absorbed by the stem tissues were determined by …

Excised parts of the stalk of young inflorescences of Yucca flaccida Haw. were placed with
one end in a solution of either fructose‐ 14 C(U) or glucose‐ 14 C(U). The phloem exudate …

Characteristic differences in sugar composition were shown to exist between various
tissues of stem and roots of the tomato plant. Secondary xylem and the region of the internal …

For a number of 14 C‐sugars and other compounds, it has been shown, that their introduction
through the xylem system into detached tops of the inflorescence causes a subsequent …