CĂRȚI ÎN ENGLEZĂ ÎN LEGĂTURĂ CU «HETEROECISM»
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HETEROECISM AND AUTOECISM Various authors have variously discussed the
origin of the phenomenon of heteroecism. Gaumann and Wynd (1952) have
given an excellent presentation of this problem. The present trend is to regard ...
2
Fungi: Ascomycetes, Ustilaginales, Uredinales
Heteroecism. Heteroecious species may be either monoxenous or polyxenous,
that is to say they may be limited in relation to either or both their stages to a
single species of host, or they may be capable of occurring on a number of
different ...
Helen Gwynne-Vaughan, 2010
3
Illustrated Plant Pathology: Basic Concepts
The fungi, which live such a dual life, are called 'heteroecious fungi' and this type
of adaptation is termed 'heteroecism'. HeterOecious fungi are seen almost
entirely among the rusts. The most familiar case of heteroecism occurs in the
black ...
H. Lewin Devasahayam, 2009
4
An Introduction to Mycology
Other important heteroecious rusts are Cronanium ribicola (white pine blister rust
), Gymnosporangium juniperi- virginianae (cedar-apple rust), and Urediniopsis
osmundae (balsam fir rust). The origin of heteroecism has been discussed by ...
R. S. Mehrotra, K. R. Aneja, 1990
FACULTATIVE HETEROECISM Fromme18 has taken exception to the use .of the
term facultative heteroecism as applied to the faculty of omitting the alternate host
, perhaps correctly so from his point of view, which considers Peridermium ...
6
Pamphlets on Forest Protection
The heteroecism of Peridermium harknessii on Pinus radiata is, therefore,
facultative. By analogy it is highly probable that the same facultative heteroecism
occurs in Pinus contorta and perhaps also in the other hosts of the so-called ...
7
Proceedings of the Linnean Society of London
Lantern-slides illustrating the habits of the South African Peripatus. (Discussed by
Dr. S. M. Manton, F.R.S., and the President.) Discussion on Heteroecism, opened
by Dr. Malcolm Wilson and Dr. Edward Hindle, F.R.S. Mr. Malcolm Wilson.
Linnean Society of London, 1951
Heteroecism has been established as an essential aspect of the life cycle in
many species. One can only conjecture as to how or why heteroecism came into
existence and is actually obligatory for most of those species of rust which have
no ...
9
The Romance of the Fungus World: An Account of Fungus Life ...
... on to another host plant which ir available in the interim, or at least in part of it.
This mode of existence is known as heteroecism (Gr. heteror=diflerent and oik0r=
a house) and is well exemplified in the Black Rust of Wheat (Pucrinia gmminir).
Robert Thatcher Rolfe, F. W. Rolfe, 1974
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The Structure and Development of the Fungi: By H.C.I. ...
Heteroecism. Most parasitic fungi pass through their life history in or on the
tissues of a single host ; such forms are said to be autoecious in contradistinction
to the heteroecious forms which require two alternating hosts for the completion
of ...
Helen Charlotte Isabella Gwynne-Vaughan, B. Barnes, 1930
