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  • 1
    Electronic Resource
    Electronic Resource
    Chloroplast DNA restriction fragment length polymorphisms (RFLPs) in Musa species (1991)
    Springer
    Theoretical and applied genetics 81 (1991), S. 783-786 
    Details
    ISSN: 1432-2242
    Keywords: Banana ; cpDNA ; Plantain ; Systematics
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary Taxonomic and phylogenetic determinations within the genus Musa are established using a numerical, morphology-based scoring system. However, within this system, the classification and relationships of some types are disputed. The application of chloroplast DNA (cpDNA) restriction fragment length polymorphism (RFLP) analysis to Musa taxonomy provided valuable, supplemental information about the classification of, and relationships between, Musa species and subspecies. Whole-cell DNA was extracted from lyophilized Musa leaf-blade tissue and digested with various restriction enzymes, Southern blotted onto nylon membranes, and probed using radioactively labeled heterologous orchid cpDNA fragments. Phylogenies were inferred from cpDNA RFLP patterns using PAUP software. The relationships between most species examined were as expected; however, some species (M. beccarii and M. basjoo) did not conform to the conventional morphology-based phylogeny.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00224990
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  • 2
    Electronic Resource
    Electronic Resource
    Restriction fragment length polymorphism (RFLP)-based phylogenetic analysis of Musa (1992)
    Springer
    Theoretical and applied genetics 84 (1992), S. 286-290 
    Details
    ISSN: 1432-2242
    Keywords: Taxonomy ; Banana ; RFLP ; Musa ; Phylogeny
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary Random genomic probes were used to detect RFLPs in 19 Musa species and subspecies. A total of 89 phylogenetically informative alleles were scored and analyzed cladistically and phenetically. Results were in general agreement with morphology-based phylogenetic analyses, with the following exceptions: our data unambiguously places M. boman in section Australimusa, and indicates M. beccarii is very closely related to M. acuminata. Additionally, no support was found for the separation of section Rhodochlamys from section Musa. A comparison of morphology-based and RFLP-based phylogenetic analyses is presented.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00229484
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  • 3
    Electronic Resource
    Electronic Resource
    Effect of pollen-style interaction on the pollen tube growth of Gossypium hirsutum (1986)
    Springer
    Theoretical and applied genetics 72 (1986), S. 84-87 
    Details
    ISSN: 1432-2242
    Keywords: Gamete competition ; Pollen tube growth ; Pollen germination ; Pollen-style interaction
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary All possible crosses among 5 strains of Gossypium hirsutum were made, and the pollen tubes were grown in vivo for 4 h before being fixed, stained and measured. Temperatures ranging from 18.5 to 40.0 °C were tested for pollen germination and pollen tube growth. The optimal temperature for pollen tube growth was 30.0 °C. Relative humidity levels of 0 to 100% were used as a pre-pollination treatment of the pollen. Significant differences among the mean pollen tube length of the strains occurred due to pollenXstyle interactions. The strains also differed in the number of styles which did not support pollen tube growth. These differences were also due to pollenXstyle interactions. Pollen and style strains could be ranked according to their relative contribution to pollen tube length.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00261460
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  • 4
    Electronic Resource
    Electronic Resource
    Genetic control of somatic embryogenesis in cotton petiole callus cultures (1990)
    Springer
    Euphytica 49 (1990), S. 249-253 
    Details
    ISSN: 1573-5060
    Keywords: Gossypium hirsutum ; cotton ; somatic embryogenesis ; callus ; tissue culture ; genetic control
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Summary Three commercial varieties (Acala SJ-5, Coker 312 and Paymaster 303) and three exotic accessions (T1, T25 and T169) of cotton (Gossypium hirsutum L.) were tested for ability to undergo somatic embryogenesis. Sections of split petiole were cultured on 3 media and evaluated for embryogenesis after 180 days. Embryogenic T25 and Coker 312 plants were selected and crossed in a diallel with non-embryogenic Acala SJ-5, Paymaster 303, T1 and T169 plants. F1, F2 and BC1 populations were generated and tested for embryogenesis on a medium of MS salts and vitamins (1962) plus (per liter) 4.0 mg NAA, 1.0 mg Kn, 30 g glucose, 100 mg myo-inositol, 2.0 g Gelrite and 0.75 g MgCl2. Segregation for both occurrence and magnitude of embryogenesis was observed, suggesting the action of more than one gene.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00036296
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  • 5
    Electronic Resource
    Electronic Resource
    Cytoplasmic genetic diversity in bananas and plantains (1991)
    Springer
    Euphytica 52 (1991), S. 19-23 
    Details
    ISSN: 1573-5060
    Keywords: Musa acuminata ; Musa balbisiana ; banana ; plantain ; cytoplasm ; RFLP
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Summary Concerns over yield declines in bananas and plantains due to the spread of Black Sigatoka disease in Musa have drawn attention to the collection of Musa germplasm and its use in conventional and biotechnological improvement programs. This report demonstrates the use of chloroplast DNA (cpDNA) restriction fragment length polymorphisms (RFLPs) for differentiating cytoplasms of various Musa clones. DNA was extracted from lyophilized leaf blade tissue and digested with either Eco R1, Hind III, Bam H1 or Pst I. Southern blots onto nylon membranes were probed with radioactively labeled heterologous orchid and lettuce cpDNA fragments. Among the 14 Musa clones examined, a single balbisiana and four acuminata-type cytoplasms were differentiated. The ability to distinguish between cytoplasms and to place plants within a cytoplasmic grouping demonstrates the usefulness of RFLP technology in evaluating diversity and determining the ancestry of Musa clones.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00037852
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  • 6
    Electronic Resource
    Electronic Resource
    Chemical and environmental growth regulation of sweetpotato (Ipomoea batatas (L.) Lam.) in vitro (1991)
    Springer
    Plant cell, tissue and organ culture 25 (1991), S. 153-159 
    Details
    ISSN: 1573-5044
    Keywords: axillary bud culture ; germplasm maintenance ; growth inhibition ; mannitol ; minimal growth ; photoperiod ; sorbitol ; sucrose ; temperature
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract The need for conservation of biotic diversity is well recognized. However, improved techniques for the efficient, cost effective-preservation of plant germplasm are needed. The conservation and distribution of plant germplasm in vitro is gaining acceptance. However, increased usage is dependent upon the ability of curators to minimize culture maintenance requirements. This report examines the effect of various levels of sucrose, photoperiod, temperature, sorbitol and mannitol on minimal growth storage of Ipomoea batatas (L.) Lam. Growth was reduced 50% with a temperature reduction of from 21.1 to 15.6°C. Sucrose concentrations of 15 and 20 g l-1 resulted in reduced plant stature with few adverse effects on plantlet viability or morphology. Reduction of photoperiod from 16 to 4 h produced smaller, slightly chlorotic, but otherwise normal plants. The addition of sorbitol or mannitol to culture media generally produced undesirable effects on gross plant morphology and loss of apical dominance. Genotype x growth retarding treatment interactions were observed for all variables examined.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00042187
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  • 7
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    The influence of morphology and Eu3+ concentration on luminescence and temperature sensing behavior of Ba2MgWO6 double perovskite as a potential optical thermometer (2020)
    Elsevier
    Details
    Publication Date: 2020-11-01
    Print ISSN: 0925-8388
    Electronic ISSN: 1873-4669
    Topics: Chemistry and Pharmacology , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Published by Elsevier
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  • 8
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    Red luminescence with controlled rise time in La2MgTiO6: Eu3+ (2021)
    Elsevier
    Details
    Publication Date: 2021-01-01
    Print ISSN: 0925-8388
    Electronic ISSN: 1873-4669
    Topics: Chemistry and Pharmacology , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Published by Elsevier
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