Plant regeneration from in vitro -cultured seedling leaf protoplasts of Actinidia eriantha Benth

1998 ◽  
Vol 17 (10) ◽  
pp. 819-821 ◽  
Author(s):  
Y.-J. Zhang ◽  
Y.-Q. Qian ◽  
X.-J. Mu ◽  
Q.-G. Cai ◽  
Y.-L. Zhou ◽  
...  
OENO One ◽  
2003 ◽  
Vol 37 (3) ◽  
pp. 145 ◽  
Author(s):  
Ahmed Mliki ◽  
Rahma Jardak ◽  
Götz M. Reustle ◽  
Abdelwahed Ghorbel

<p style="text-align: justify;">Experimental conditions for leaf protoplast isolation and culture were optimised for <em>in vitro</em> plants deriving from shoot culture of two Tunisian grape varieties, Sakasly and Muscat d’Alexandrie (<em>Vitis vinifera</em> L.). The best yields were obtained from leaves of 4 to 5 weeks old <em>in vitro</em> plants, digested for 13 hours under 25 rpm agitation with an enzymatic mixture containing 0.25 % cellulase of <em>Aspergillus niger</em>, 0.25 % cellulase of <em>Penicillium funiculosum</em>, 0.5 % cellulysin of <em>Trichoderma viridae</em>, and 0.2 % macerozyme R-10 of <em>Rhizopus</em> sp. More than 50 % of the purified protoplasts had a diameter of 30-40 μm and were rich in chloroplasts. Best aptitude for cell division was found in protoplasts immobilised in sodium alginate layers at a density of 0.5x10<sup>6</sup> cell/ml, cultivated in CPW-13 medium containing 4 mg/l of NOA and 0.88 mg/l of TDZ. The variety Muscat d’Alexandrie gave better yield whereas Sakasly showed better cell division rates. Formation of micro and macrocallus have been obtained, but the oxidation of the medium has to be solved in order to promote plant regeneration.</p>


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)


2015 ◽  
Vol 25 (1) ◽  
pp. 1-12 ◽  
Author(s):  
Kee Hwa Bae ◽  
Eui Soo Yoon

Lychnis cognate Maxim and Lychnis fulgens Fish. Ex Spreng are two valued ornamental plants in Korea. Soaking of seeds in GA3 solution remarkably promoted germination up to 60%, but the control (0 mg/l) was not effective (> 5%). To select an adequate temperature for seed germination, seeds, previously soaked in a 1000 mg/l GA3 for 24 hrs, were incubated at 15, 20, 25, and 30°C. Seed germination of over 20% was obtained at 15, 20, and 25°C, but only 10% at 30°C. These results indicate that the seeds of L. cognate and L. fulgens are in a such dormant state that they hardly germinate even by dormancy breaker (GA3) and low (15 ? 25°C) temperature treatment. The highest callus induction was observed in the leaf explants of the seedlings on MS containing specific concentrations of 3.0 mg/l BA and 1.0 mg/l NAA. The adventitious shoot was formed < 90% of calli on 1/2 WPM medium. The height of in vitro propagated plantlet was no different media used for regeneration. This in vitro propagation protocol should be useful for conservation of endangered and ornamental plant.Plant Tissue Cult. & Biotech. 25(1): 1-12, 2015 (June)


PROTOPLASMA ◽  
1989 ◽  
Vol 150 (1) ◽  
pp. 48-53 ◽  
Author(s):  
H. Wang ◽  
A. J. Cutler ◽  
M. Saleem ◽  
L. C. Fowke

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