Conclusion of Mutation Work on Ornamentals in a Nutshell

Datta, S. K.

doi:10.1007/978-981-99-5675-3_14

Cited by 1 publication

(1 citation statement)

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“…In this case, it could be used for the market aimed at cactus collectors. In any case, new varieties of ornamental plants have been developed through spontaneous mutation in vitro [87,88] and TDZ seems to have an important potential for cactus species in this respect.…”

Section: Occurrence Of Unexpected Morphotypesmentioning

confidence: 99%

Micropropagation and Acclimatization of Gymnocalycium cv. Fancy (Cactaceae): Developmental Responses to Different Explant Types and Hormone Conditions

Cortés-Olmos,

Guerra-Sandoval,

Blanca-Giménez

et al. 2023

Plants

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The Gymnocalycium genus includes numerous highly valued species in the ornamental plant market and their propagation is usually carried out using traditional methods. However, there is a lack of information regarding the efficiency of micropropagation through in vitro tissue culture techniques on these species. So, with the objective of establishing an efficient micropropagation protocol that allows for optimizing the plant obtaining processes, the morphogenic potential of Gymnocalycium cv. Fancy has been studied in this work. For this purpose, plants of two different sizes (medium and large) were used as the starting material, from which three types of explants were obtained (apex, central discs and bases). The effect of three plant growth regulators (6-Benzylaminopurine, BAP; Kinetin, KIN; and Thidiazuron, TDZ) at three different concentrations each were studied, and the number of generated shoots, the frequency of appearance of callogenesis and rhizogenesis by explant and condition were assessed. An efficient protocol based on the use of KIN at 4 µM and central discs as a starting explant was developed. Moreover, the obtained sprouts rooted successfully (especially using BAP at 2 µM), and their subsequent acclimatization was very effective. Furthermore, emergence of a new morphotype is presented, that has not previously been described.

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Section: Occurrence Of Unexpected Morphotypesmentioning

confidence: 99%