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|Title:||A new medium formulation for in vitro rooting of carob tree based on leaf macronutrients concentrations|
Correia, P. J.
Martins-Loução, M. A.
|Citation:||BIOLOGIA PLANTARUM 49 (2): 277-280, 2005|
|Abstract:||Experiments were performed to optimize the macronutrients concentrations for in vitro rooting of Ceratonia siliqua micropropagated shoots. Several dilutions of Murashige and Skoog (MS) medium were tested: full-strength MS, halfstrength MS (½MS), and ½MS + full N. The frequency of in vitro rooting was enhanced when the ½MS was used (50 % rooted shoots). Mature leaves from 20 - 30 year-old carob trees and from 2 year-old micropropagated plants were collected and the concentrations of macronutrients (N, P, K, Ca, Mg) assessed. Based on the mineral composition of the leaves a new medium was formulated and compared with the previous ones showing an increment of the rooting frequency to 80 %. Moreover, shoots rooted in the new medium did not show symptoms of apical necrosis that occurred in the other tested media.|
|Description:||ACESSO via B-on: http://dx.doi.org/ 10.1007/s10535-005-7280-4|
|Appears in Collections:||FC - Artigos em Revistas Internacionais|
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