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Gladiolus Cultivar Friendship is highly susceptible to soil born Fungus Fusarium oxysporum. Highly resistant cell-lines were regenerated through in-vitro selection at callus and cell suspension level. Cell suspensions of all four Gladiolus cultivars were found highly sensitive to fusaric acid. Gradual increase in fusaric acid concentrations to the cell-suspension cultures decreased cell growth considerably. The cormlets of all in-vitro selected cell lines of "Friendship" were inoculated with a conidial suspension of the F. oxysporum. The four selected cell lines showed the same response…mehr

Produktbeschreibung
Gladiolus Cultivar Friendship is highly susceptible
to soil born Fungus Fusarium oxysporum. Highly
resistant cell-lines were regenerated through
in-vitro selection at callus and cell suspension
level. Cell suspensions of all four Gladiolus
cultivars were found highly sensitive to fusaric
acid. Gradual increase in fusaric acid concentrations
to the cell-suspension cultures decreased cell growth
considerably. The cormlets of all in-vitro selected
cell lines of "Friendship" were inoculated with a
conidial suspension of the F. oxysporum. The four
selected cell lines showed the same response whether
or not inoculated with conidia of the F.
oxysporum. Plantlets of all of the selected cell
lines exhibited significant growth as compared with
control. RAPD markers were used to estimate
genetic diversity among the selected Fusarium
resistant cell-lines. Marker data was generated
through three successive generations. The number of
fragments per primer ranged from 4 to 10. The total
size of the amplified products varied from 200bp to
1800bp. All the primers were found to be polymorphic
and produced upto 62% polymorphism.
Autorenporträt
DR. IDREES AHMAD NASIR, Assistant Professor, CEMB,Punjab
University, Lahore, Pakistan has 20 years Teaching and Research
Experience in Plant Molecular Biology. He has Developed Fusarium
Resistant Gladiolus, Hybrids of Tomato, Corn, Bt-Corn. He also
developed virus free/resistant Potatoes, Sugarcane and Synthetic
Seeds of Carrot and Cucumber.