Propagating from leaves

MARK MAZER AND FREDRIKA MAZER markmazerandfm13@earthlink.net
Mon, 26 Apr 2010 04:44:30 PDT
See:
LEAF CUTTING PROPAGATION, GROWTH AND FLOWERING OF LACHENALIA 
Authors:    J.K. Suh, M.S. Roh, J.S. Lee 
Keywords:    Lachenalia, Leaf cutting, Inflorescence initiation, Flowering 
Abstract: 
This research was conducted to study: leaf cutting propagation of
Lachenalia aloides Engl. ‘Pearsonii’ as influenced by leaf cutting
preparation, propagation medium and temperature during propagation;
inflorescence initiation as influenced by bulb storage temperature; and
flowering as influenced by bulb size and storage temperature. Proximal
segments of approximately 1/3 of the leaf were the best source for bulblet
number and regeneration percentage. Optimal propagation conditions were in
temperatures of 20°C, and a peatmoss: perlite (1:1, v/v) planting medium.
Bulblets originated from parenchyma cells near the vascular bundle sheath.
Flowering size bulbs that weigh>1.5g were produced from bulblets after one
growing season. Inflorescence initiation and flowering were accelerated by
storing bulbs at 20°C and forcing at 15°C, respectively.  



>
> Several have commented on the propagation of bulbs like Lachenalia and 
> Eucomis from leaves. Does anyone have experience, or better data, on 
> when it is best to start in the growth cycle; e.g., when leaves are 
> early emerging or more mature?



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