✦ LIBER ✦
The influence of dinitrophenol on phloem transport along the stolon ofSaxifraga sarmentosa
✍ Scribed by F. A. Qureshi; D. C. Spanner
- Publisher
- Springer-Verlag
- Year
- 1973
- Tongue
- English
- Weight
- 584 KB
- Volume
- 111
- Category
- Article
- ISSN
- 0032-0935
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✦ Synopsis
Dinitrophenol in concentrations of 5 • 10 -31~ applied to the centre 30 em of 60-70 cm stolons of Saxl/raga produces a strong and reversible inhibition of the phloem transport of laTCs or 14C-assimilates. There is every reason to believe that this effect is loealised in the sieve tubes; callose formation does not occur. This evidence is very difficult to reconcile with the M/inch hypothesis; it seems on the contrary to demand a theory of active pumping. * This work formed part of that submitted for the degree of Ph.D. of London University.