+ Site Statistics
+ Search Articles
+ Subscribe to Site Feeds
EurekaMag Most Shared ContentMost Shared
EurekaMag PDF Full Text ContentPDF Full Text
+ PDF Full Text
Request PDF Full TextRequest PDF Full Text
+ Follow Us
Follow on FacebookFollow on Facebook
Follow on TwitterFollow on Twitter
Follow on Google+Follow on Google+
Follow on LinkedInFollow on LinkedIn

+ Translate

Scanning electron microscopy of aecio spore formation in puccinia bolleyana

Scanning Electron Microscopy (3): 299-304

Scanning electron microscopy of aecio spore formation in puccinia bolleyana

Aecia of P. bolleyana are produced primarily on the under surface of infected leaves [of Sambucus canadensis L.]. The aecium is a cup-like depression bounded by a peridium consisting of a single layer of thick walled cells. The aecium is filled with chains of developing and mature aeciospores. Lining the base of the aecium are many cylindrical sporogenous cells that give rise to a succession of aeciospore mother cells. Once formed, the mother cell enlarges slightly and undergoes an unequal division to form a larger cell and a smaller disjunctor cell that remains attached to the larger cell. The disjunctor cell eventually dies while the larger cell develops into an aeciospore. The surface of the aeciospore is at first smooth but large granules eventually develop in a ring around either the middle or, more typically, the distal end of the spore. The primary wall of the spore distintegrates and is sloughed-off the spore to reveal many small, cog-like surface ornamentations. Such ornamentations are absent from the distal end of the spore in the region at which the spore contacted the disjunctor cell of the next spore in the chain. Mature aeciospores are globoid in shape and most measure .times. 15 .mu.m.

(PDF 0-2 workdays service: $29.90)

Accession: 006365386

Related references

Scanning electron microscopy of uredo spore and aecio spore germination and penetration in 2 rust host interactions. Proceedings of the American Phytopathological Society 3: (1977), 1976

Studies on the fine structure of aecio spores part 3 aecio spore ontogeny in puccinia graminis. Svensk Botanisk Tidskrift 68(2): 136-152, 1974

Scanning electron microscopy 1977 vol 1 proceedings of the 10th annual scanning electron microscope symposium and workshops on materials and component characterization quality control with the scanning electron microscopy scanning transmission electron microscopy scanning electron microscopy application to semi conductors analytical electron microscopy biological specimen preparation for scanning electron microscopy chicago illinois usa march 28 april 1 1977. Scanning Electron Microscopy 784, 1977

Scanning electron microscopy and transmission electron microscopy of sterigma and conidio spore formation in aspergillus group. Journal of Electron Microscopy 22(1): 27-38, 1973

Electron microscopy of uredio spore formation in puccinia coronata f sp avenae and puccinia graminis f sp avenae. Canadian Journal of Botany 54(9): 1010-1019, 1976

Electron microscopy of telio spore formation in puccinia coronata avenae. Physiological Plant Pathology 10(1): 21-28, 1977

On the spore formation process in actinomycetes part 3 sporulation in streptomyces species with hairy spore surface as detected by scanning electron microscopy. Rivista di Patologia Vegetale 7(4 SUPPL): 45-61, 1971

Emergence of the aecio spore germ tubes of cronartium coleosporioides equal peridermium stalactiforme as observed by scanning electron microscope. Canadian Journal Of Botany: 1692, 1970

SEM of aeciospore formation in Puccinia bolleyana. Scanning electron microscopy: t3) 299-303, 1981

A scanning electron microscopy of the spore formation process in genus aspergillus. Journal Of Electron Microscopy: 224-225, 1971