Results 191 to 200 of about 8,369 (235)
In vitro germination of western larch pollen
Canadian Journal of Forest Research, 2000 We have been able to successfully germinate western larch (Larix occidentalis Nutt.) pollen in vitro. Pollen was rehydrated at 100% RH for 16 h before being sprinkled on semisolid and liquid media. The basic medium contained Brewbaker and Kwack minerals diluted 1:10 and was supplemented with polyethylene glycol 4000 and three different concentrations ...
Nicole Dumont-BéBoux +2 more
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In vitro germination and storage of English walnut pollen
Scientia Horticulturae, 1985Abstract A method for in vitro germination and tube growth of English walnut ( Juglans regia L.) pollen is described. The medium contained 20% sucrose, 1.0 mM CaCl 2 and 0.16 mM boric acid solidified with 0.65% agar, and was suitable for freshly collected pollen from each of the 21 clones tested.
Juvenal G. Luza, Vito S. Polito
exaly +2 more sources
Extremely Low Doses of Arsenic Affect in vitro Pollen Germination
Complementary Medicine Research, 2013 <b><i>Introduction: </i></b>This study deals with the effects of extremely low doses or high dilutions of pharmacological compounds on in vitro pollen germination of kiwifruit (<i>Actinidia deliciosa</i>). <b><i>Material and Methods: </i></b>The biological efficacy of As<sub>2</sub>
BETTI, LUCIETTA +5 more
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Sugarbeet Pollen Germination in Vitro
Journal of Sugarbeet Research, 1988Factors affecting in vitro germination of sugarbeet (Beta vulgaris L.) pollen were investigated to provide improved methods of testing pollen viability. Pollen germinated most frequently and consistently in a liq uid medium (pH 5.5, 100 ppm H3B03, 100 ppm Ca(N03)2 • 4H20, and 3.2 x lOs ppm sucrose in dis tilled water) at 23 C for 24 hours.
R.J. Hecker, M. McClintock
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In vitro germination of apple pollens
Scientia Horticulturae, 1979Abstract In order to characterize pollen viability and germinability by biochemical parameters, an introductory investigation was made of the germinability in vitro of pollen of 2 apple cultivars, ‘Golden Delicious’ and ‘Starkrimson’, partially self-incompatible and totally self-incompatible, respectively.
G.L. Calzoni, A. Speranza, N. Bagni
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A NEW MEDIUM FOR POLLEN GERMINATION IN VITRO
Acta Botanica Neerlandica, 1982SUMMARY Poly-ethylene glycol (PEG)-400 was found to be superior to sucrose as the major component in media for the germination of Petunia hybrida pollen. PEG promotes pollen tube growth considerably more than sucrose. Pollen tubes grown on PEG resemble the in vivo tubes much more than those grown on sucrose.
Zhang Hong-Qi, A. F. Croes
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In Vitro Analysis of Cotton Pollen Germination
Agronomy Journal, 2004Crops with economically valuable reproductive structures show the greatest negative discrepancy between average and record yields. To alleviate environmental stress–related yield reductions, a better understanding of the relative sensitivities of pollen development, dehiscence, pollen germination, pollen tube growth, fertilization, and subsequent boll ...
John J. Burke +2 more
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Pollen Germination and Pollen Tube Growth in Vitro
1992Pollen germination and pollen tube growth are prerequisites for fertilization and seed development. Because of the involvement of the pistillate tissue in nature, physiologic and biochemical investigations on pollen germination and pollen tube growth in vivo are rather difficult. In vitro germination techniques have therefore been used extensively on a
K. R. Shivanna, N. S. Rangaswamy
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In vitro germination of black walnut pollen
Canadian Journal of Botany, 1971Black walnut pollen was germinated on liquid and agar-based media containing 20% sucrose, a requirement for germination and normal tube development. Boron (100 ppm boric acid) added to this medium slightly enhanced germination. Germination occurred only in dense (150+ grains/mm2) populations of pollen on the agar medium. This population effect was not
Geraldine C. Hall, Robert E. Farmer Jr.
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1994
The ability to germinate fresh pollen on a “defined” medium offers opportunities for a number of areas of research. Applications, such as agrichemical assessment, gametophyte selection, etc., have been reported by a number of investigators over the last 25 years or more.
openaire +1 more source
The ability to germinate fresh pollen on a “defined” medium offers opportunities for a number of areas of research. Applications, such as agrichemical assessment, gametophyte selection, etc., have been reported by a number of investigators over the last 25 years or more.
openaire +1 more source