Accession Number:

AD0837586

Title:

PHOTOTROPISM OF GERMINATING MYCELIA OF SOME PARASITIC FUNGI

Descriptive Note:

Corporate Author:

ARMY BIOLOGICAL LABS FREDERICK MD

Personal Author(s):

• Gettkandt, Gisela

Report Date:

1963-05-01

Pagination or Media Count:

42.0

Abstract:

Contents Historical survey and purpose of the investigation Method of investigation -- method of culture of germinating mycelia, culture of some uredinales on young wheat plants Distribution and significance of the phototropism of germinating mycelia -- confirmation of older data, examination of eight additional uredinales, probable meaning of negative phototropism for the occurrence of infection Analysis of the stimulus physiology of the reaction -- the minimum effective illumination intensity, the effective special region, inversion of the phototropic reaction in liquid paraffin, the negative light- growth reaction, the light-sensitive zone.

Descriptors:

• *FUNGI
• INTENSITY
• ILLUMINATION
• SPORES
• TRANSLATIONS
• THRESHOLDS(PHYSIOLOGY)
• GROWTH(PHYSIOLOGY)
• GERMINATION
• CULTURE MEDIA
• EAST GERMANY
• WHEAT
• PHOTOSENSITIVITY(BIOLOGICAL)
• CAROTENOIDS
• PUCCINIA(RUSTS)

Subject Categories:

• Microbiology

Distribution Statement:

APPROVED FOR PUBLIC RELEASE