Results 21 to 30 of about 73,975 (306)

The Cheilanthes hirta complex and allied species (Adiantaceae/Pteri­daceae) in southern Africa

open access: yesBothalia: African Biodiversity & Conservation, 1988
The very variable complex of plants until now ascribed to Cheilanthes hirta Swartz, together with some derived or allied species, is investigated. The type of the species as established by N. C. Anthony (1984), is accepted.
W. B. G. Jacobsen, N. H. G Jacobson
doaj   +1 more source

Bacillus subtilis and Pichia farinose mixture improves growth performance and nutrient absorption capacity in broiler chicks

open access: yesFrontiers in Veterinary Science, 2023
IntroductionThis study evaluated the effects of dietary supplementation of Bacillus subtilis and Pichia farinose mixture (BPM) on growth performance, apparent ileal digestibility, cecal bacteria counts, small intestinal morphology and digestive enzymes ...
Huan Wang   +5 more
doaj   +1 more source

An Encyclopaedia of Spore Morphology [PDF]

open access: yesNature, 1966
Morphologic Encyclopedia of Palynology An International Collection of Definitions and Illustrations of Spores and Pollen. By G. O. W. Kremp. Pp. xiii + 186 + 38 plates. (Tucson: The University of Arizona Press, 1965.) 15 dollars.
openaire   +1 more source

Spore morphology of Selaginella borealis, S. sanguinolenta and S. helvetica (Selaginellaceae, Lycopodiophyta)

open access: yesTurczaninowia, 2019
For the first time we have conducted a study of three species of the genus Selaginella P. Beauv. from Russia: S. sanguinolenta (L.) Spring, S. helvetica (L.) Link and S. borealis (Kaulf.) Rupr. using the method of scanning electron microscopy (SEM). In a
Алексей Владимирович Ваганов   +8 more
doaj   +1 more source

Ceratiomyxa arbuscula: A White Tubular Myxomycetes in West Java

open access: yesBiotropika: Journal of Tropical Biology, 2022
A white tubular Myxomycota is identic to the Ceratiomyxa genus. Ceratiomyxa has five sporangium types such as a simple pillar, fruticulus, arbuscula, filliforme, and porioides. Slime mold as Ceratiomyxa was found in IPB University. The specimen was coded
Rudy Hermawan, Tryanisa Ridla Amalia
doaj   +1 more source

Tamarind (Tamarindus indica L.) parkland mycorrhizal potential within three agro-ecological zones of Senegal [PDF]

open access: yes, 2010
Introduction. Tamarind (Tamarindus indica L.) belongs to the Fabaceae family; it is a multipurpose tree with slow growth. In order to help improve its growth and development, we assessed mycorrhizal diversity of tamarind parklands in Senegal.
Bourou, Sali   +4 more
core   +2 more sources

On the taxonomic resolution of pollen and spore records of Earth’s vegetation [PDF]

open access: yes, 2014
Premise of research. Pollen and spores (sporomorphs) are a valuable record of plant life and have provided information on subjects ranging from the nature and timing of evolutionary events to the relationship between vegetation and climate.
Mander, Luke, Punyasena, Surangi W.
core   +1 more source

Real-Time Monitoring of H2O2 Sterilization on Individual Bacillus atrophaeus Spores by Optical Sensing with Trapping Raman Spectroscopy

open access: yesChemosensors, 2023
Hydrogen peroxide (H2O2), a strong oxidizer, is a commonly used sterilization agent employed during aseptic food processing and medical applications. To assess the sterilization efficiency with H2O2, bacterial spores are common microbial systems due to ...
Morten Bertz   +3 more
doaj   +1 more source

Crystallization and preliminary X-ray analysis of the sporulation factor SpoIIAA in its native and phosphorylated forms [PDF]

open access: yes, 2001
Sporulation in Bacillus begins with an asymmetric cell division producing two progeny with identical chromosomes but different developmental fates. As such, it is a simple example of cellular differentiation.
Brannigan, J A   +3 more
core   +1 more source

Influence of spore morphology on spectrophotometric quantification of Trichoderma inocula

open access: yesBioTechniques, 2020
Species of the genus Trichoderma are filamentous fungi commonly used in research, industry and agriculture. Trichoderma reesei strains are prominent producers of cellulolytic and hemicellulolytic enzymes as well as being expression hosts; several other ...
Georg Schütz   +2 more
doaj   +1 more source

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