Manual of Phycology: An Introduction to the Algae and Their BiologyGilbert Morgan Smith Chronica Botanica Company, 1951 - 375 pagine |
Dall'interno del libro
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Pagina 138
... growth is best gained from a brief review of the ontogeny of the sporophyte . The young sporophyte , which SAUVAGEAU has termed the proembryo , consists of a simple , erect filament with diffuse growth ( FIG . 34B ) . At an early stage ...
... growth is best gained from a brief review of the ontogeny of the sporophyte . The young sporophyte , which SAUVAGEAU has termed the proembryo , consists of a simple , erect filament with diffuse growth ( FIG . 34B ) . At an early stage ...
Pagina 142
... growth or apical growth ( Dictyosiphonaceae ) , and they frequently possess a terminal hair . At first the filament is uniseriate but intercalary longitudinal divisions set in at an early stage ( FIG . 35A ) and as a result a truly ...
... growth or apical growth ( Dictyosiphonaceae ) , and they frequently possess a terminal hair . At first the filament is uniseriate but intercalary longitudinal divisions set in at an early stage ( FIG . 35A ) and as a result a truly ...
Pagina 263
... growth ; among these are the essential elements nitrogen and phosphorus , and probably iron ( at least in available , useful form ) . Oceanographic studies have shown that the growth of plankton algae , such as diatoms , correlates ...
... growth ; among these are the essential elements nitrogen and phosphorus , and probably iron ( at least in available , useful form ) . Oceanographic studies have shown that the growth of plankton algae , such as diatoms , correlates ...
Parole e frasi comuni
acid agar algal Algen algues anisogamous antherozoids auxiliary cell belt biflagellate Biol blue-green branches Chlamydomonas Chlorophyceae chlorophyll chloroplasts chromatophores Chrysophyceae Cladophora colony colorless contain contractile vacuoles cultures cysts cytoplasm diatoms dinoflagellates diploid division ecological epiphytic Eudorina Euglena euglenoids female gametes filamentous flagella flagellates flagellum formation forms FRITSCH Fucus fusion gametes gametophytes GEITLER genera genus germination girdle green algae grow growth Halicystis haploid Ibid isogamous IYENGAR Jour KORSCHIKOFF KYLIN Laminaria large number layer littoral longitudinal marine algae membrane MOEWUS motile Myxophyceae nitrogen nuclear nucleus occur Oedogonium OLTMANNS oogonium organic PASCHER Phaeophyceae photosynthesis phytoplankton pigments plankton plants plastids portion PRINGSHEIM production Protistenk protoplast pyrenoid rhizoids Rhodophyceae salt SAUVAGEAU sea water sexual reproduction soil species Spirogyra sporangia spores sporophyte stain starch structure studies substances surface swarmers thallus tion Ulva unicellular Untersuchungen Vaucheria vegetation Volvocales Volvox wall Xanthophyceae Zeitschr zoospores zygote