Effect ofin vitrotopophysis on the growth, development, and rooting of chrysanthemum explants (Chrysanthemumgrandiflorum/Ramat./ Kitam)

Zalewska, M.; Miler, Natalia; Wenda-Piesik, Anna

doi:10.1080/14620316.2010.11512681

Cited by 8 publications

(5 citation statements)

References 16 publications

(31 reference statements)

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“…Suckers proved to be the more suitable explants source, in respect to crown material that failed to respond, showing a direct relationship between juvenile characteristic of the plant material and ontogenetic ability (Zalewska et al, 2010). Yu and Reed (1995) observed the same behavior in branches of 'Tonda Gentile delle Langhe' which showed a high percentage of unsprouted buds or buds with leaf expansion but slight elongation and development of shoots.…”

Section: Establishment Of In Vitro Culturementioning

confidence: 73%

Effect of coconut water and growth regulator supplements on in vitro propagation of Corylus avellana L

Prando

Chiavazza

Faggio

et al. 2014

Scientia Horticulturae

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a b s t r a c tCorylus avellana L. represents an economically important crop in the European Union. Several protocols of hazelnut micropropagation have been tested but have not yet provided effective methods to allow largescale propagation for commercial purposes, due to poor proliferation and yield. The aim of this work was to study the in vitro effects of coconut water (CW) in combinations with gibberellins and cytokinins on proliferation and growth of hazelnut in vitro and the effect of explants orientation on shoot growth. Single axillary buds from mature trees of 'Tonda Gentile delle Langhe' cultivar collected from suckers and crown were cultured on a modified DKW semi-solid basal medium enriched with coconut water, BAP, IAA and GA 3 in several combinations. The addition of 20% coconut water increased the number of adventitious shoots per explant and the combination of 2 mg/L BAP, 0.01 mg/L IAA and 0.5 mg/L GA 3 promoted multiplication and shoots elongation. Shoot multiplication and growth were also affected by explant orientation. The highest rates occurred with sucker explants in the horizontal position.

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Section: Establishment Of In Vitro Culturementioning

confidence: 73%

Effect of coconut water and growth regulator supplements on in vitro propagation of Corylus avellana L

Prando

Chiavazza

Faggio

et al. 2014

Scientia Horticulturae

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“…Kitam. ), the node location relative to the shoot tip affected axillary shoot proliferation (Zalewska et al 2010). Regardless, within a proliferating Spigelia shoot cluster, more individual nodes were present than shoot tips.…”

Section: Discussionmentioning

confidence: 99%

“…Apical dominance, which causes a reduction in axillary shoot proliferation, has been overcome through the removal of the shoot tip (Drew 1992; Zalewska et al 2010). However, for S. marilandica, microshoots with shoot tips produced more axillary shoots compared to single-node, subterminal microshoots, 5.7 versus 5.0 shoots, respectively.…”

Section: Discussionmentioning

confidence: 99%

Micropropagation of Spigelia marilandica L.

Kitto

2015

In Vitro Cell.Dev.Biol.-Plant

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Commercial micropropagation of Spigelia marilandica (Loganiaceae) requires the development of proliferation and rooting protocols for in vitro-generated microcuttings. Seedling microshoot explants formed the most axillary shoots when cultured on half-strength Murashige and Skoog basal medium supplemented with 11 or 22 μM benzyladenine. Monthly serial subculture of shoot cultures for 6 mo had no impact on the mean total number of axillary shoots formed. Microshoot explants with shoot tips formed more axillary shoots compared to single nodes, and microshoot explants with basal nodes formed more axillary shoots compared to microshoot explants without basal nodes. Microcuttings were rooted ex vitro. Microcuttings, 1-2 versus 2-5 cm in length, rooted equally well whether placed in RediEarth, sand, or vermiculite. After potting, plants from short and long microcuttings grew equally well based on leaf number and stem height; however, plants grown in the sun had more leaves and were taller than plants under 50% shade (6 versus 3.1 cm in height, respectively). Microcuttings dipped in indolebutyric acid, 500 or 1000 ppm, had more roots with longer mean total root lengths compared to control microcuttings. Microcuttings grown under mist for 4 wk survived better than those under mist for 6 wk. Neither microcutting age (6, 8, 12, 16, or >20 wk post-subculture) nor cold storage (8, 12, or 16 wk post-subculture; 6°C for 7 wk) affected the percent of shoots with roots (100%), mean root number, or mean total root length. Field-grown in vitroderived plants (60% survival) had more stems and more leaves compared to field-grown seedlings of comparable age (90% survival). Micropropagation of S. marilandica on a commercial scale has practicality based on the ease with which microshoot explants formed axillary shoots in vitro and microcuttings rooted ex vitro.

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“…The primary explant, which gives a start to a culture, transmits the memory of its status in the mother plant to the conditions of an in vitro culture. The study of Zalewska et al [ 30 ] analyzed the impact of topophysical location of explants on the in vitro shoot regeneration efficacy in chrysanthemum. The authors examined the regeneration capacity of explants isolated from three topophysical zones: distal, central, and proximal.…”

Section: Discussionmentioning

confidence: 99%

Type of Explant Affects In Vitro Development and Multiplication Success of the Rare Halophyte Plant Honckenya Peploides L. Ehrh

Kulpa

Wróbel

Bednarek

2020

Plants

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The sea sandwort—Honckenya peploides (L.) Ehrh. is—a rare halophilous plant growing on dunes and is an endangered species on the Polish coast. It contributes to the stabilization of volatile sandy substrate, facilitating the colonization of other species. The present study determined the reaction of two types of explant: apical shoot fragments and fragments from a lower portion of the shoot. Apical shoot fragments were used to propagate and root sea sandwort plants due to the positive impact on the development of shoots and roots. Regardless of the plant growth regulators applied in the medium, the lateral meristems on the explants from the lower parts of the shoot stopped growing, and then yellowed and died out. Apical fragments of shoots developed higher and more numerous shoots and longer and more numerous roots than explants, which were fragments collected from lower parts of shoots. The findings indicated that propagation should be conducted on Murashige and Skoog medium with the addition of 1 mg∙dm−3 kinetin, whereas shoots with their apical fragments should be rooted with the addition of 1.5 mg∙dm−3 1-naphthaleneacetic acid. The results also showed that the addition of NaCl at concentrations of 25 and 50 mM did not restrict their growth, thereby indicating the tolerance of the plant to soil salinity. However, an increase in the concentration of NaCl in the medium to 75 mM restricted the development of plants, and the shoots were lower and roots were shorter and less numerous.

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Effect ofin vitrotopophysis on the growth, development, and rooting of chrysanthemum explants (Chrysanthemumgrandiflorum/Ramat./ Kitam)

Cited by 8 publications

References 16 publications

Effect of coconut water and growth regulator supplements on in vitro propagation of Corylus avellana L

Effect of coconut water and growth regulator supplements on in vitro propagation of Corylus avellana L

Micropropagation of Spigelia marilandica L.

Type of Explant Affects In Vitro Development and Multiplication Success of the Rare Halophyte Plant Honckenya Peploides L. Ehrh

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