KSIĄŻKI POWIĄZANE ZE SŁOWEM «SPORANGIA»
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1
Structure and Development of
Sporangia and Sporophylls of ...
The sporangia especially, and the form and arrangementof the sporophylls, have
long been recognized as of the highest importance. Thus, the classification of the
Filicales is largely based on sporangial characters; and the position of the ...
Robert Wilson Smith, 1900
2
Life: The Science of Biology
The sporangia of many club mosses are aggregated in conelike structures called
strobili (singular strobilus; Figure 28.15). The strobilus of a club moss is a cluster
of spore-bearing leaves inserted on an axis (linear supporting structure).
H. Craig Heller, David M. Hillis, 2011
3
Paleobotany and the Evolution of Plants
The fact that most zosterophylls discovered thus far have sporangia at the tips of
short branches supports the idea that they evolved as a group from an ancestral
type with terminal sporangia on fertile telomes. This concept is further supported
...
Wilson Nichols Stewart, 1993
4
Biology of the Red Algae
SPORANGIA AND SPORES A spore is a specialized cell that can reproduce a
new plant independently, and a sporangium is a structure within which the spore
arises (Guiry 1978; Guiry & Irvine 1989). Hypothetically, red algal sporangia may
...
Kathleen M. Cole, Robert G. Sheath, 1990
5
An Introduction to Mycology
Sporangia and Sporangiophores Finally in the mycelioid types the sporangia get
located at the tips of the branches as in Monoblepharidales, Saprolegniales and
Peronosporales. In the order Peronosporales, the hyphae that bear the ...
R. S. Mehrotra, K. R. Aneja, 1990
6
Advances in Downy Mildew Research
umol m"2 s"1 for release of sporangia followed by morning leaf wetness of 3 h or
longer was associated with days on which infection occurred (Wu et <://., 2002).
However, most sporangia were found to be released between 9:00 and 16:00 ...
Peter Spencer-Phillips, Michael J. Jeger, 2004
According to Webster (1980) there is no zoospore formation in P. ultimum.\ar
ultimum. In such cases the sporangia germinate directly by forming a germ tube.
Such sporangia have been called conidia or conidiosporar.gia by some workers.
8
Proceedings of the American Academy of Arts and Sciences
On favorable nutrients in very moist air the sporangia were comparatively late in
developing, and appeared only in the upper parts of the paper 250
PROCEEDINGS OF THE AMERICAN ACADEMY. Condition of Scrroondino Aib.
TABLE III.
9
Bulletin, Ohio Biological Survey
Sporangia distinct or plasmodiocarpous, stalked or sessile. Sporangium wall
single or double containing lime granules. Capillitium a network with expanded
nodes containing deposits of lime. A. Sporangia always sessile. (Nos. 12, 14, 15,
19, ...
Ohio Biological Survey, 1921
10
The Anther: Form, Function, and Phylogeny
The free distal part of each microsporophyll of Weltrichia sol was adaxially '
branched,' and those pinnae bore two-valved synangia that included numerous
micro- sporangia. Weltrichia pecten and W. whitbiensis w ere similar to W. sol but
did ...
William G. D'Arcy, Richard C. Keating, 1996
WIADOMOŚCI, KTÓRE ZAWIERAJĄ SŁOWO «SPORANGIA»
Sprawdź, o czym dyskutuje się w prasie krajowej i zagranicznej oraz jak jest stosowane słowo
sporangia w wiadomościach.
Potato late blight found in Michigan in 2015
Sporangia of P. infestans may be spread from infected plants in one field to healthy plants in surrounding fields by wind, splashed rain, mechanical transport and ... «Michigan State University Extension, Lip 15»
Weather ideal for start of downy mildew in grapes
No infected suckers were noticed at the base of the vines, but this is something to scout for; vines would be stunted and covered with a white layer of sporangia. «Michigan State University Extension, Cze 15»
Excessive rain promotes Phytophthora diseases in raspberries and …
Oospores germinate under moist conditions, forming balloon-like sporangia that contain motile zoospores. The zoospores swim through the water-filled soil ... «Michigan State University Extension, Cze 15»
PSI: The case of the dratted downy mildews
Infected cuttings or plants and the airborne sporangia themselves are the means by which the disease gets around. Known locations: Downy mildews crave high ... «Greenhouse Management, Cze 15»
There is more to ferns than interesting fronds
The fronds of 'true' ferns (one of the five groups of ferns) bear sporangia on the underside of the blade. Sporangia are the reproductive structures that produce ... «Bonners Ferry Herald, Maj 15»
Fight Phytophthora Blight Of Cucurbits
Soil moisture conditions are important for disease initiation. Sporangia form when soil moisture reaches field capacity for an extended period and can release ... «Growing Produce, Paz 14»
Potato late blight update and late-season recommendations for 2014
Sporangia may germinate at temperatures between 44- 55 F, which can occur during September, when free water is present for eight to 12 zoospores per ... «Michigan State University Extension, Wrz 14»
Late blight confirmed in potatoes in northern Indiana July 6, 2014
Tubers may become infected if sporangia produced on the foliage are washed down into the soil by rain or irrigation water. Water-borne spores appear to follow ... «Michigan State University Extension, Lip 14»
Weather is ideal for downy mildew on grapes at this time
Infected suckers at the base of the vine were also noticed; these were stunted and covered with a white layer of sporangia. This suggests that disease pressure ... «Michigan State University Extension, Lip 14»
Why is the horsetail plant such a pest?
Spores are contained in sporangia, and the fern sporangium is a miniature marvel of engineering. A strip of cells along one side have thickened radial and inner ... «Telegraph.co.uk, Maj 14»
