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1
Competition Science Vision
(iii) Gametangial Contact : The male and female branches or hyphae respectively
bear terminal antheridium and ascogonium. Sometimes the distal end of
ascogonium is broadly rounded or prolonged into a tubular receptive process
called ...
7 A), from which develops a uninucleate ascogonium. The ascogonium
elongates, and its nucleus divides several times to produce as many as 64 nuclei
(Fig. 1 1.7B). Simultaneously, a uninucleate antheridium also develops and coils
spirally ...
3
A Textbook Of Botany - Vol 1, 11E
One branch enlarges and becomes club-shaped, and is cut-off by a transverse
wall to form uninucleate ascogonium (Fig. 22.3 B). The nucleus of the other
branch (antheridial branch), which is usually slender, divides into two daughter
cells.
P S Trivedi S N Pandey, P S Trivedi S N Pandey, Pandey, S N & Trivedi, P S, 2009
4
A Text-Book of Botany: Morphological and Physiological
From the lowest coil of the ascogonium two slender branches now shoot out at
opposite places, which grow upwards on the outside of the helix; one of these
developes more quickly, reaches the uppermost coil, and becomes closely
attached ...
Julius Sachs, Alfred W. Bennett, W. T. Thiselton Dyer, 2011
5
Competition Science Vision
(iii) Gametangial Contact : • The male and female branches or hyphae
respectively bear terminal antheridium and ascogonium. • Sometimes the distal
end of ascogonium is broadly rounded or prolonged into a tubular receptive
process called ...
6
University Botany I : (Algae, Fungi, Bryophyta And Pteridophyta)
In this species both antheridium and ascogonium are produced on the hyphae
and both are functional. The first produced ascogonium is cylindrical or club
shaped and uninucleate in the beginning. However, later the nucleus undergoes
...
7
Introduction To Fungi, 3E
The dikaryons are borne in specialized hyphae, called ascogenous hyphae,
originating from the female gametangium, the ascogonium. Thus, a dikaryotic
phase interjects between the haploid and diploid phases of the life cycle. It
eventually ...
In Penicillium vermiculatus [= Talaromyces vermiculatus) the mycelial cells are
uninucleate, which give rise to ascogonium. The nucleus of ascogonium divides
repeatedly to form as many as 64 nuclei. The antheridium also develops ...
The ascogonium now gives rise to the so-called ascogenous hyphae, each of
whose cells contains one male and one female nucleus (dikaryotic hyphae). The
nuclei divide simultaneously. Fusion of the dikaryon is initiated by a specific cell ...
Hans Günter Schlegel, C. Zaborosch, 1993
10
Illustrated Plant Pathology: Basic Concepts
Through an open union, the male nucleus migrates into the ascogonium. This
type of union occurs in Erysiphe martii, E. nitida, E. cichoracearum, Sphaerotheco
humuli, S. fuliginea and in many other related species. Numerous copulations ...
H. Lewin Devasahayam, 2009
