conchocelis phase

Listing 1 - 5 from 5 for conchocelis phase

Botanik online: Algen - Rhodophyta
... sich Porphyra daher rein vegetativ. Die Conchocelis-Phase dient der Überwinterung. Bangia-Arten verhalten sich in diesem Punkt ganz anders. Deren Conchocelis-Phase ist haploid; die Meiose erfolgt offensichtlich im Anschluß an das Auskeimen der Karposporen. Der Porphyra-Thallus und die Conchocelis-Phase unterscheiden sich nicht ...
www.biologie.uni-hamburg.de

www.seaweed.ie
... the filamentous Conchocelis-phase in the life history of Porphyra umbilicalis by the British phycologist, Kathleen Drew (Drew, 1949), led to the seeding of ropes from artificially-cultivated Conchocelis-phases. ... with mushrooms, and seafood pizzas. References and further reading Drew, K.M. (1949). Conchocelis-phase in the life-history of Porphyra umbilicalis (L.) Kütz. Nature, 166: 748-749. Guiry ...
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www.seaweed.ie
... for the next phase. It has been found that the best development of the sporophyte phase takes place when ... Conchocelis-phase but small amounts of N and P may be added to stimulate the growth of the alga. The shells are kept about 5 months in indoor tanks and the Conchocelis- phase ... wound around the drums at a time and sporulating Conchocelis- phase shells are placed, still attached in strings, on the ...
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www.seaweed.ie
... of both species are roughly the same: the blades germinate from conchospores liberated by the Conchocelis-phase from September to November (short days, relatively low temperatures) and appear as germlings 1 mm ... to 14°C. After fertilization, zygotospores are produced and these are used to grow new Conchocelis-phase plants for the next season. Back to index | Site ©1996 - 2006 Michael Guiry. All ...
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www.seaweed.ie
... . It is particularly important to remember that the rearing of the seeding phase in the development of Porphyra - the Conchocelis-phase - is now largely carried out on shore. More consistent results in Porphyra ...
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