scholarly journals Effect of nanosilver on potato plant growth and protoplast viability

2013 ◽  
Vol 50 (1) ◽  
pp. 35-43 ◽  
Author(s):  
Ali Akbar Ehsanpour ◽  
Zeynab Nejati

Abstract Potato tissue culture is sensitive to ethylene accumulation in the culture vessel. Ag inhibits ethylene action but no information on nanosilver application in potato tissue culture has been published so far. In our study, potato cv. White Desiree was treated with nanosilver (0, 1.0, 1.5, and 2.0 ppm) in vitro. Leaf surface was increased, while stem length and root length decreased. Nanosilver caused also a decrease in the number of isolated protoplasts and in the viability of isolated protoplasts when applied either directly or indirectly.

2011 ◽  
Vol 3 (3) ◽  
pp. 97-100
Author(s):  
Naimeh SHARIFMOGHADAM ◽  
Abbas SAFARNEJAD ◽  
Sayed Mohammad TABATABAEI

The Almond (Amygdalus communis) is one of the most important and oldest commercial nut crops, belonging to the Rosaceae family. Almond has been used as base material in pharmaceutical, cosmetic, hygienically and food industry. Propagation by tissue culture technique is the most important one in woody plants. In the current research, in vitro optimization of tissue culture and mass production of almond was investigated. In this idea, explants of actively growing shoots were collected and sterilized, then transferred to MS medium with different concentrations and combinations of plant growth regulators. The experiment was done in completely randomized blocks design, with 7 treatment and 30 replications. After 4 weeks, calli induction, proliferation, shoot length and number of shoot per explants were measured. Results showed that the best medium for shoot initiation and proliferation was MS + 0.5 mg/l IAA (Indol-3-Acetic Acid) + 1 mg/l BA (Benzyl Adenine). Autumn was the best season for collecting explants. The shoots were transferred to root induction medium with different concentrations of plant growth regulators. The best root induction medium was MS + 0.5 mg/l IBA (Indol Butyric Acid).


1970 ◽  
Vol 45 (1) ◽  
pp. 75-78 ◽  
Author(s):  
Shahina Islam ◽  
Mosfequa Zahan ◽  
Shahina Akter ◽  
Tanjina Akhtar Banu ◽  
Ahashan Habib ◽  
...  

An efficient mass propagation method for Feronia limonia was developed from excised shoot tips and nodal explants of in vitro grown seedlings. Explants were cultured on MS medium with different conc. of NAA, Kn, IAA and BAP singly or in combinations. Highest number of micro shoots and better plant growth were obtained from these two explants on MS medium supplemented with 0.2 mg/l BAP alone. The regenerated shoots were successfully rooted on MS medium supplemented with 0.5 mg/l NAA. The in vitro raised plantlets were successfully established in soil following the formation of roots with 100% survivability under ex vitro condition. Key words: Feronia limonia; Mass propagation; Node; Shoot tips; Multiple shoot DOI: 10.3329/bjsir.v45i1.5186 Bangladesh J. Sci. Ind. Res. 45(1), 75-78, 2010


2016 ◽  
Vol 41 (3) ◽  
pp. 521-528
Author(s):  
MR Kabir ◽  
S Ahmed ◽  
MAY Akhond

Seedling-derived cotyledonary nodes and hypocotyl explants of BARI Dherosh- 1 were cultured in vitro on MS medium supplemented with varying concentrations of 2, 4-Dichlorophenoxy acetic acid (2, 4-D), 6- Benzylaminopurine (BAP), Thidiazuron (TDZ), BAP with 1-Nepthaleneacetic acid (NAA), BAP with Indole 3-butyric acid (IAA) and Zeatin with IAA along with a control. Shooting response (100%) with callus was only observed from cotyledonary nodes on thidiazuron (TDZ) where hypocotyls produced only callus or callus with roots on different concentrations of plant growth regulators. Considering the shooting response, the cotyledonary nodes of BARI Dherosh-1 were cultured on various concentrations of TDZ for regeneration. The highest percentage (64.0) with maximum number (6.8) of shoots per explant were observed in 0.044 ?M TDZ in 8.4 days. The regenerated shoots were rooted on ½ strength MS, MS supplemented with 2.46 ?M IBA and 0.53 ?M NAA. The highest percentage (83.3) and minimum days (9.7) required for root induction were recorded in 2.46 ?M IBA. The rooted plantlets were transferred to soil and hardened in the plastic pots under green house conditions. The rooted shoots grew normally under natural conditions following acclimatization.Bangladesh J. Agril. Res. 41(3): 521-528, September 2016


Author(s):  
Sonali Gangwar ◽  
Saurabh Pathak ◽  
Maya Datt Joshi

Tissue cuture is considered to be a best technique for rapid multiplication and production of disease free, healthy seed cane. With a view to studying the effect of transplanting spacing on growth and yield of micropropagated crop of sugarcane, an experiment was carried out at Tissue Culture Laboratory, Shobhit University, Meerut. Tissue culture raised plantlets of sugarcane variety. In vitro cultured sugarcane were transplanted at various spacing of 90 x 45, 90 x 60, 90 x 90 and 120 x 60 cm. Among the four spacings, the highest plant growth, number of tillers, number of malleable canes, cane height and cane yield were recorded at 90 x 60 cm. Thus, a spacing of 90 x 60 cm was found most suitable for transplantation of tissue culture raised plantlets of sugarcane.


HortScience ◽  
1994 ◽  
Vol 29 (5) ◽  
pp. 528a-528
Author(s):  
Sharon A. Bates ◽  
John E. Preece ◽  
John H. Yopp

Both greenhouse-grown white ash plants derived from tissue culture and rooted microshoots in high humidity trays were inoculated with 11 tumor-inducing Agrobacterium strains. Eight strains stimulated mutative gall formation. Plants inoculated with strain A281 exhibited a higher frequency of callus formation (greenhouse-22.2%; microshoots-18.8%) than other strains at the site of the wound. Therefore, strain A281 was used to inoculate seed and seedling explants in vitro. Explants were placed on MS medium containiner no plant growth regulators and inoculated at 0, 3, 5, 7, or 10 days after initiation. Plants inoculated at 10 days showed a higher frequency of callus formation (16.4%) than with earlier inoculations. Also, rewounding of the explant at inoculation resulted in a higher frequency of callus formation (11.3%) compared to not rewounding the explant (3.9%).


2007 ◽  
Vol 87 (4) ◽  
pp. 911-922 ◽  
Author(s):  
Samir C Debnath

Vacinium fruits are genetically heterozygous species characterized as “not coming true from seed”. Conventional methods for vegetative propagation of these species, although successful, are slow and labour-intensive, and few propagules can be produced from one plant of a selected clone or hybrid. Micropropagation techniques are important for clonal multiplication, germplasm im provement and gene conservation of Vaccinium fruits cultivated in Canada including blueberries, cranberries and lingonberries. In vitro propagation of these species using axillary bud proliferation and adventitious shoot regeneration has been investigated in a number of studies. Morphogenesis seems to be highly dependent on plant growth regulators and media used for culture, and this dependence is genotype specific. The paper presents the progress in-depth of various aspects of the in vitro culture of Canadian Vaccinium species for their commercial production. Also discussed are techniques for clone rejuvenation and plant tissue culture for mass propagation of Canadian Vaccinium nuclear stocks. Key words: Blueberry, cranberry, lingonberry, micropropagation, regeneration, morphology


2021 ◽  
Vol 921 (1) ◽  
pp. 012036
Author(s):  
S H Larekeng ◽  
M A Arsyad ◽  
A M Annisa ◽  
M Restu

Abstract Mulberry (Morus nigra L) is a dicotyledonous plant in the family Moraceae which often used for silkworms’ breeding. Mulberry propagation still uses conventional technology, such as cuttings and graftings. The problem of mulberry propagation is the low productivity of mulberry gardens. However, tissue culture is a technique of isolating plant parts in the form of organs, cell tissues, and protoplasms that is effective and efficient in order to get uniform and superior plants in a short amount of time. For mulberry growth, the right combination of the Plant Growth Regulator (PGR) in the form of Kinetin, IAA, IBA is needed. Data were analyzed using R-statistic software. The results showed that M6 media (MS + Kinetin 1.5 + 1 IAA) was the best combination of media for the number of shoots, leaf length, and number of roots, with 80% of live explant percentage. Propagation via tissue culture such as clonal propagation, organogenesis, and somatic embryogenesis in callus cultures followed by generation of shoots/plantlets represents a potential effective propagation method in the future.


HortScience ◽  
1997 ◽  
Vol 32 (3) ◽  
pp. 515D-515
Author(s):  
Brent Tisserat ◽  
Robert Silman ◽  
Karen Ray

Ultra-high levels of CO2, i.e., >10,000 ppm, enhance tissue culture growth and offers a relatively simple and inexpensive method to improve plant productivity in vitro. Growth responses employing ultra-high CO2 levels differ considerably in the literature. Unfortunately, various culture vessels and systems have been employed, making comparisons difficult. In this study, the influence of the vessel container size, medium volume, and various CO2 concentrations (0 to 50,000 ppm) was studied on the growth obtained from lettuce and spearmint cultures. All three of these factors influence growth responses from plants cultured in vitro. Vessel types tested included: culture tubes, Magenta containers, 1-quart jars, 0.5-gallon jars, and 1-gallon jars having culture volumes of 55, 365, 925, 1850, and 3700 ml, respectively. Increasing the size of the culture vessel resulted in an increase growth regardless of the CO2 level tested. For example, fresh weight of spearmint increases of >250% can be obtained in by employing a 1-quart jar compared to using a culture tube. Increasing medium volume using various vessel types, especially using high concentrations of CO2, resulted in dramatic growth increases. For example, a >100% increase in fresh weight could be obtained by increasing the medium volume from 50 ml to 100 ml within a 1-quart jar. These studies suggest that plant growth promoted by supplemental CO2 is limited by the culture vessel size and medium volume. Differences in growth responses obtained in past CO2 studies could be related to vessel type and medium volume as well as the CO2 levels employed. Future in vitro studies should consider these factors in the evaluation of the influence of Ultra-high CO2 levels on plant growth. Peculiar growth responses, especially pertaining to rooting and shooting exhibited by cultures grown in ultra-high CO2 levels will also be discussed.


Plants ◽  
2020 ◽  
Vol 9 (11) ◽  
pp. 1624
Author(s):  
Francesco Cappai ◽  
Alexandria Garcia ◽  
Ryan Cullen ◽  
Matthew Davis ◽  
Patricio R. Munoz

The demand for blueberry Vaccinium corymbosum L. (and hybrids) plants has significantly increased in the last 30 years due to its market expansion. In vitro propagation of sterile plants are required for commercial purposes but also for research applications such as plant transformation. Thus far, tissue culture characteristics of the tropical-adapted blueberry have been scarcely studied. In this study we present the following findings: (i) zeatin, a hormone used to promote plant growth, should be used in the 1–2 mg/L range to promote plant architecture optimal for transformation experiments; (ii) red-blue LED lights induce more production of meristems and biomass than white LED or fluorescent lights; (iii) levels as high as 1000 mg/L of decontamination agents (the antibiotics timentin and cefotaxime) can be used to eliminate Agrobacterium overgrowth without inhibiting plant growth during plant transformation experiments; (iv) kanamycin, paromomycin, and geneticin, which are widely used antibiotics to select transgene-carrying transformants, cannot be efficiently used in this system; (v) glufosinate, a widely used herbicide, shows potential to be used as an effective selectable marker for transformed plants.


2014 ◽  
Vol 4 (2) ◽  
pp. 287-292
Author(s):  
Zarmiyeni Zarmiyeni ◽  
Siti Munawarah Munawarah

       The people of Hulu Sungai Utara Regency are very fond of pineapple, this can be seen from the continued increase in market demand for pineapple. Pineapple production in Hulu Sungai Utara Regency from 2010-2013 continues to increase. However, the availability of pineapple is still widely supplied from other regions. This is due to limited land and the availability of superior seeds. Therefore we need a new technique to overcome this problem by multiplying it in vitro. This study aims (i) to determine the response of pineapple plant growth to various concentrations of IBA (Indole Butyric Acid) in vitro and (ii) to obtain the best IBA (Indole Butyric Acid) concentration for pineapple plant growth in vitro. The study was conducted in the Amuntai STIPER tissue culture laboratory from March to June 2014, using a Completely Randomized Design (CRD) with 5 treatment levels, 4 replications. The factor tested was the IBA concentration, i1 = 1.5 ppm, i2 = 2 ppm, i3 = 2.5 ppm, i4 = 3 ppm, and i5 = 3.5 ppm. The results showed no known response and the best concentration of IBA on pineapple plant growth.


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