This fact can be explained by the presence of hormones in seeds, mainly cytokinins
and gibberellins, which aid in cell division and expansion, and in the mobilization of nutrients (JACKSON, 2003).
Effects of auxins and cytokinins
on the development of Coffea arabica L.
Changes in cytokinins
oxidase activity in developing maize kernel and the effects of exogenous cytokinin
on kernel development.
88 mg/L TDZ to determine the best cytokinin
source for shoot propagation.
In contrast to the results obtained from epicotyl explants, the presence of cytokinin
in the medium significantly affected the number of shoots formed from hypocotyl segments treated with BA at culture initiation and first subculture (F Test, P [less than or equal to] 0.
Fukuda, Roles and Regulation of Cytokinins
in Tomato Fruit Development, J.
The role of sucrose and different cytokinins
in the in vitro floral morphogenesis of rose (hybrid tea) cv.
86 49 + ++++ Siderophore Plant growth regulators %SU Auxins Gibberellins Cytokinins
[micro]g/ml [micro]g/ml [micro]g/ml 57.
In most of the studies, phytohormones, particularly cytokinins
, are used singly or in combination to induce shoot from various types of explants .
This indicates that the endogenous level of cytokinins
in the leaf explant is sufficient to promote the growth of the leaves.
Among the types of plant growth regulators such as auxins, cytokinins
, gibberellins, and others, gibberellins accounted for the largest market share, followed by cytokinins
is a plant growth hormone which promotes cell division in plant shoots and roots.
Key words: Cytokinins
, Cell membrane stability, Natural extracts, Osmotic adjustment, Turfgrass.
These explants were inoculated on MS medium supplemented with growth regulators: two auxins, 2,4 dichlorophenoxyacetic acid (2,4-D) and 4-amino 3,5,6 trichloro-2-pyridinecarboxylic (picloram), and two cytokinins
, kinetin (KIN) and 6-benzyl amino purine (BAP).
Vegetal regulators are part of a group named bioregulators, formed by auxins, cytokinins
and gibberilins, retarders, inhibitors and ethylene (Castro et al.