In order to determine the importance of direct cellular contact for the formation of a compatible graft, I have monitored the development of compatible autografts in Sedum telephoides in which porous membrane filters were inserted between the grafting surfaces. The tensile strengths of these grafts levelled off at approximately 10 g breaking weight per square millimetre graft area baween 2 and 5 d after grafting. Callus proliferation occurd at both grafting surface by 5 d after grafting. By 21 d after grafting, vascular redifferentiation across the graft interface was complete. These results indicate that direct cellular contact is not necessary for the (I) cohesion of the stock and scion, (2) callus proliferation or (3) vascular redifferentiation that occur during the formation of a compatible graft.
|Original language||English (US)|
|Number of pages||7|
|Journal||Annals of Botany|
|State||Published - Jul 1 1984|
- Sedum telephoides
- Vascular redifferentiation