scholarly journals In Vitro Propagation of Three Species of Columnar Cacti from the Sonoran Desert

HortScience ◽  
2002 ◽  
Vol 37 (4) ◽  
pp. 693-696 ◽  
Author(s):  
Eugenio Pérez-Molphe-Balch ◽  
Martha Evelia Pérez-Reyes ◽  
Carlos Antonio Dávila-Figueroa ◽  
Enrique Villalobos-Amador

In vitro propagation systems were developed for Carnegiea gigantea (Engelm.) Britt & Rose, Pachycereus pringlei (Berger) Britt & Rose and Stenocereus thurberi (Engelm.) Buxb, three North American species of columnar cacti. In vitro germinated seedlings were used as a source of explants. Multiple shoot formation from areoles was achieved for three types of explants (apical, lateral, and transverse) cultured on Murashige and Skoog (MS) basal media supplemented with 3% sucrose, 10 g·L-1 agar and various treatments with growth regulators. The highest shoot production efficiency for C. gigantea was obtained on transverse explants cultured on a medium with 2 mg·μmL-1 (8.87 μm) BA, where 5.3 shoots per explant were obtained. In P. pringlei and S. thurberi the best response was obtained using transverse explants on medium with 1 mg·L-1 (4.44 μm) BA (3.8 and 4.3 shoots per explant, respectively). Rooting of the in vitro generated shoots was achieved most efficiently on MS basal media with 3% sucrose, 10 g·L-1 agar and 1 mg·L-1 (4.9 μm) indole-3-butyric acid. Rooting frequencies were 92%, 88%, and 96% for C. gigantea, P. pringlei and S. thurberi, respectively, and the frequency of survival of the plants once transferred to soil was 86% on average. Chemical name used: benzyladenine (BA).

2017 ◽  
pp. 9
Author(s):  
José Luis Retes-Pruneda ◽  
María de Lourdes Valadez-Aguilar ◽  
Martha Evelia Pérez-Reyes ◽  
Eugenio Pérez-Molphe-Balch

In vitro propagation systems by means of areole activation were developed for Echinocereus knippelianus, Echinocereus schmollii, Mammillaria carmenae, M. carmenae fo. rubrisprina, M. herrerae, M. theresae, Melocactus curvispinus, Escontria chiotilla and Polaskia chichipe. In vitro germinated seedlings were used as source of explants. Multiple shoot formation from areoles was achieved on MS basal medium supplemented with 3% sucrose, 10 g L-1 agar and 6-benzylaminopurine (BA) or 6-(, -dimethylallylamino)purine (2iP). Efficiencies ranged from 6.0 shoots per explant in M. carmenae fo. rubrisprina to 13.5 shoots per explant in Echinocereus schmollii. Rooting of the in vitro generated shoots was achieved in MS basal medium, or MS basal medium supplemented with indoleacetic acid, indolebutyric acid or activated charcoal. Finally, 49-98% of these plants survived.


HortScience ◽  
1997 ◽  
Vol 32 (7) ◽  
pp. 1276-1277 ◽  
Author(s):  
Joao L.C. Faria ◽  
Juan Segura

A protocol for in vitro propagation in yellow passionfruit (Passiflora edulis F. flavicarpa Deg) has been developed. Shoot apices from aseptically grown seedlings were used as initial explants. Multiple shoot formation was obtained by placing the explants on solidified Murashige and Skoog medium containing BA. Regenerated shoots were rooted on media without growth regulators. Following conventional procedures, plantlets were transferred to soil with more than 90% success. Chemical name used: N-(phenylmethyl)-lH-purin-6-amine (BA).


Author(s):  
Soledad Mora Vásquez ◽  
Silverio García-Lara ◽  
Guy A. Cardineau

Background and Aims: Soybean regeneration and transformation are considered highly genotype-specific; however, little is known about desirable seed traits that could be useful indicators of their regeneration and transformation capacities. In the present study, eight commercially available Mexican soybean varieties, as well as the Jack genotype as a control, were phenotypically characterized to determine the seed traits that are important factors for their in vitro performance and susceptibility to Agrobacterium tumefaciens infection.Methods: Grain dimensions, seed weight, moisture, oil, protein, ash, carbohydrate content and macro and micro elements (Mg, K, Ca, P, Na, Mn, Fe, Cu and Zn) were measured and correlated with the corresponding direct shoot organogenesis capability and Agrobacterium infection susceptibility using the cotyledonary node as explant.Key results: Notably, the ash content was the only important factor that inversely correlated with the capacity for shoot organogenesis, whereas carbohydrate and phosphorus content were positively correlated with susceptibility to Agrobacterium infection. The best response in terms of multiple shoot formation and Agrobacterium transient transformation was observed with the soybean varieties Huasteca-100, Nainari and Suaqui-86, which have lower ash content and a higher carbohydrate and phosphorus content.Conclusions: In most reported studies, seed phenotypic traits have been overlooked as factors that influence their regeneration and transformation potential. In the present study, we present evidence of associations between some specific seed traits and regeneration and transient transformation of soybean.


2020 ◽  
Vol 55 (3) ◽  
pp. 181-188
Author(s):  
B Goswami ◽  
MI Hoque ◽  
S Khan ◽  
RH Sarker

A reproducible in vitro regeneration system was developed for three varieties of Brassica campestris L. namely Agrani, BINA Sarisha-10 and BINA Sarisha-6 using hypocotyl and cotyledonary leaf with petiole as explants. MS medium supplemented with 2.0 mg/l BAP and 0.2 mg/l IAA was found to be the best for the multiple shoot formation for all the three varieties. Among three varieties, BINA Sarisha-6 showed best response in terms of shoot regeneration as well as number of shoots per explant (9.0) using hypocotyls as explants. In case of Agrani and BINA Sarisha-10 highest number of shoot per explants were found 8.2 and 7.0, respectively. Interestingly in vitro regenerated shoots of BINA Sarisha-6 and BINA Sarisha-10 were produced in vitro flowers on shoot regeneration media. Best root induction in BINA Sarisha-6, Agrani and BINA Sarisha-10 was achieved on MS media supplemented with 0.5 mg/l IBA. After proper hardening, the in vitro regenerated plantlets were successfully transplanted into soil. Bangladesh J. Sci. Ind. Res.55(3), 181-188, 2020


2010 ◽  
Vol 20 (1) ◽  
pp. 73-79 ◽  
Author(s):  
M. F. Hasan ◽  
B. Sikdar

An efficient protocol for plant regeneration through multiple shoots induction from shoot tips of Polygonum hydropiper (L.) was established. The highest percentage (96.6) of multiple shoot induction and number of shoots (9.0) per culture were found on MS supplemented with 2.0 mg/l Kn. The induced shoots were excised and inoculated on to MS contains different concentrations of IBA or NAA for rooting. The highest percentage (90.0) of root induction and the highest number of roots per shoot (12.0) was found on MS having 1.0 mg/l IBA. Well rooted plantlets were acclimated properly and transplanted in the soil under natural condition, where cent per cent plantlets survived and grew successfully. Key words:  Polygonum hydropiper, Shoot tips, In vitro propagation D.O.I. 10.3329/ptcb.v20i1.5970 Plant Tissue Cult. & Biotech. 20(1): 73-79, 2010 (June)


2010 ◽  
Vol 5 (12) ◽  
pp. 1934578X1000501
Author(s):  
Sanjog T. Thul ◽  
Arun K. Kukreja

A simple, repeatable and efficient protocol for direct multiple shoot regeneration from internodal explants has been defined in peppermint ( Mentha x piperita var. Indus). In vitro regenerated shoots of peppermint were excised into 4 to 8 mm long internodes and cultured on Murashige and Skoog's medium supplemented with different cytokinins. In the hormonal assay, 3.0 mg L-l zeatin or 6-isopentenyl adenine independently supplemented to half strength MS medium exhibited multiple shoot regeneration, while thiaduzorn (0.1-3.0 mg L−1) showed no morphogenetic effect. A maximum of 85% in vitro cultured explants showed multiple shoot formation with an average of 7 shoots per explant on MS medium supplemented with zeatin. Multiple shoots were initiated within three weeks of cultivation. Internodes with regenerated multiple shoots were transferred to half - strength MS medium without supplementing with any plant growth hormone for shoot elongation and rhizogenesis. Rooted plants acclimatized and grew to maturity under glasshouse conditions. The plantlets developed were phenotypically identical to the parent plant and exhibited 96 % survival.


2018 ◽  
Vol 17 (5) ◽  
pp. 405-411
Author(s):  
Jiraporn PALEE

To evaluate an efficient protocol for the micropropagation of Tupistra albiflora K. Larsen, the effects of N6-benzylaminopurine (BA) and naphthalene acetic acid (NAA) concentrations on multiple shoot and root induction were examined. In vitro shoots were used as the explant materials which were cultured on Murashige and Skoog (MS) agar medium supplemented with 0, 1, 2, 3 and 4 mg/L BA for 4 weeks to induce multiple shoots. It was found that the MS medium containing 3 mg/L BA induced 100 % shoot formation with the highest number of 3.2 shoots per explant (2.4-fold significantly higher than the control). For root induction, in vitro shoots were cultured on MS agar medium supplemented with 0, 1, 2, 3 and 4 mg/L NAA for 8 weeks. The results showed that the MS medium containing 1 mg/L NAA induced 100 % root formation with the highest number of 6.6 roots per explant (1.8-fold significantly higher than the control).


2001 ◽  
Vol 133 (3) ◽  
pp. 301-309 ◽  
Author(s):  
Sergio Castrezana ◽  
Therese Ann Markow

AbstractWe compared the insect and arachnid species found in spring and summer samples of necrotic tissue of three species of columnar cacti, cardón [Pachycereus pringlei (S. Watson) Britten and Rose], organ-pipe (Stenocereus thurberi Buxb.), and senita [Lophocereus schottii (Engelm.) Britten and Rose] (all Cactaceae), endemic to the Sonoran Desert of North America. A total of 9380 arthropods belonging to 34 species, 23 families, 10 orders, and 2 classes were collected in 36 samples. Arthropod communities differed in composition among host cacti, as well as between seasons. These differences may be a function of variation in host characteristics, such as chemical composition and abiotic factors, such as water content or temperature.


1970 ◽  
Vol 17 ◽  
pp. 139-144 ◽  
Author(s):  
MS Rahman ◽  
MF Hasan ◽  
R Das ◽  
MS Hossain ◽  
M Rahman

Context: Orchid produces a huge number of minute seeds but the seeds can not germinate easily in nature due to the lack of endosperm in the seeds is an incompatibility barrier that limits its propagation in nature. Objectives: To develop in vitro culture techniques for quick propagation of Vanda tessellate, a commercially important orchid species. Materials and Methods: Shoot tips were used as experimental materials. The explants were surface sterilized and the shoot tips were excised. The isolated shoot tips were cultured in MS medium supplemented with different concentration and combinations of auxin and cytokinin. Results: The combination of 1.5 mgl-1 NAA and 1.0 mgl-1 BAP was proved to be the best medium formulation for multiple shoot formation as well as maximum shoot elongation. The single shoots were isolated from the multiple shoots and subcultured in MS medium having NAA and IBA individually and in combinations for root induction. Maximum root induction was obtained in MS agarified medium having 0.5 mgl-1NAA and 1.0 mgl-1IBA. The well rooted plantlets were hardened successfully in the potting mixture containing coconut husk, perlite, charcoal, brick pieces in the ratio of 2:1:1:1 and eventually established under natural condition.Conclusion: An efficient regeneration protocol for micropropagation in V. tessellata through shoot tip culture has been established.Key words: Shoot tip; micropropagation; orchid.DOI: 10.3329/jbs.v17i0.7122J. bio-sci. 17: 139-144, 2009


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