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1
Invasive Plant Ecology i...
agamospermy rarely occurs to the total exclusion of sexual reproduction,
although many raspberries (Rubus spp.) and most dandelions (Taraxacum spp.)
are obligate agamosperms. Costs and benefits of agamospermy Agamospermic
...
Booth, B.D., Murphy, S.D., Swanton, C.J.
2
Functional Plant Ecology, Second Edition
ACAMOSPERMY Agamospermy, asexual production of seeds, is a phenomenon
absent in gymnosperms and limited to a small group (34 families) of angiosperms
, occurring mainly in the Compositae, Gramineae, and Rosaceae (Asker and ...
Francisco Pugnaire, Fernando Valladares, 2007
3
The Flowering of Australia's Rainforests: A Plant and ...
One step above such an asexual survival strategy is that of apomixis via
agamospermy. In plants which exhibit agamospermy, seeds may be formed
without the requirement for pollination. The embryo is formed from the female
gamete without ...
Geoff Williams, Paul Adam, 2010
INTRODUCTION Asexual reproduction in seed plants (apomixis) can be divided
into two main classes; vegetative reproduction and agamospermy. Vegetative
reproduction was dealt with in Chapter 10 of the first edition of this book (1986).
5
Clusia: A Woody Neotropical Genus of Remarkable Plasticity ...
5.2.4 Asexual Reproduction:Agamospermy and Vegetative Propagation The term
agamospermy refers to the production of fruits and seeds by non- fertilised
flowers.It is a type of asexual reproduction that combines the possible
advantages of ...
6
Comprehensive Biology XII
It is called agamospermy (Gk. agamous = without marriage, sperma = seed).
Sometimes a diploid embryo sac is developed from diploid megaspore mother
cell or nucellus or integument. Thus, the egg developed in such embryo sac is
diploid.
7
Variation and Evolution in Plants and Microorganisms:: ...
Ideas about the evolution of agamospermy and apogamy in plants tend to focus
on the genetic consequences of agamospermy and the mech- anisms by which it
might arise (Mogie, 1992). In flowering plants, for example, agamospermous ...
Francisco J. Ayala, Walter M. Fitch, Michael T. Clegg, 2000
8
Invasive Plant Ecology in Natural and Agricultural Systems
agamospermy rarely occurs to the total exclusion of sexual reproduction,
although many raspberries (Rubi/£5 spp.) and most dandelions (Taraxacam spp.
) are obligate agamosperms. Costs and benefits of agamospermy Agamospermic
...
Barbara Diane Booth, Stephen D. Murphy, Clarence J. Swanton, 2010
9
Genomes of Plants and Animals
Thus, distinguishing offspring produced via agamospermy versus via selfing
depends on the occurrence of at least some loci that are heterozygous in the
pistillate plant. But how many heterozygous loci are needed in the "maternal"
plant to ...
J. Perry Gustafson, R.B. Flavell, 1996
10
The Pollination Biology of North American Orchids: Volume 2: ...
However, experimental treatments testing for geitonogamy and xenogamy
produced a significantly higher proportion of nonpolyembryonic seeds than tests
for agamospermy (Schmidt and Antlfinger 1992). They considered that
agamospermy ...
WIADOMOŚCI, KTÓRE ZAWIERAJĄ SŁOWO «AGAMOSPERMY»
Sprawdź, o czym dyskutuje się w prasie krajowej i zagranicznej oraz jak jest stosowane słowo
agamospermy w wiadomościach.
Wild flower discovered in Wales named after Sir David Attenborough
... are genetically identical to their mother plant (apomixis or agamospermy), clones or populations that consist of genetically identical plants are ... «The Guardian, Lut 15»
